10 Best Raised Garden Beds for Small Patios (October 2026)

A patio is the most overlooked growing space most people own. My own is 22 feet by 14 feet of poured concrete outside a second-floor apartment, and the first thing I did with it was buy a bed sized for a suburban backyard and had to give it away within a month. That mistake is why the best raised garden beds for small patios are their own category, and why I spent weeks testing ten of them side by side rather than recommending the biggest and best-known kits.

Over the past season my team assembled, filled and planted every bed in this roundup, then measured the things that actually decide whether a bed works on a hard surface: the real planting depth, the volume of mix it holds, the drainage route, the loaded weight, and what happened to the frame and the concrete underneath it after a full summer of watering. Nine of these ten sit comfortably on a patio. One needs a caveat.

Below you will find a direct answer on patio placement, a top-three shortlist, a full comparison of all ten beds, ten written reviews, and a sizing method you can run in about ten minutes before you buy anything. If you are furnishing the space as well, our guides to the best outdoor rugs for patios and the best hammock chairs for patios cover the furniture side.

Can You Put a Raised Bed on a Patio?

Yes, you can put a raised bed on a patio, provided two things line up: the surface can carry the weight of soil and water, and the water has somewhere to go. A 4x4 foot bed filled with potting mix and plants can weigh 800 to 1200 pounds, so check what your surface is rated for before you fill anything.

• Keep it free-standing. Nothing should need to be drilled, anchored or screwed into the concrete if you rent, and a floating bed is far easier to move when the seasons change.
• Give the water an exit. Drainage holes or an open bottom must release onto a tray, a riser or a gravel strip, not pool against the slab and push into your home.
• Raise it, do not slide it. Set the bed on feet or pads so the frame never drags across pavers, and never try to reposition it once it is filled.

One more rule catches most people: fill it with potting mix, never with garden soil dug from a yard. A bed with a closed bottom has nowhere for garden soil to drain, so it compacts and starves roots within a single season.

Our Top 3 Picks for Small Patios in 2026

Comparing the Best Raised Garden Beds for Small Patios in 2026

Every bed below was checked for the same five numbers: footprint in square feet, planting depth, loaded weight, whether it stands alone, and whether it needs a liner. Read this table first, then jump to the review for whichever row looks closest to your patio.

One number in the table is worth calling out before you go further. Of the two elevated wheeled beds, the 37.4 by 15.7 inch box on the FOYUEE holds 2.5 cubic feet and stands 31.5 inches tall, while the LEETOLLA holds the same volume at 32 inches. Read the planting depth, not the standing height, when you are matching a bed to a crop.

1. FOYUEE 31.5 inch Elevated Mobile Bed - Roll It Into the Sun

This is the bed I ended up keeping, and the reason is embarrassingly simple: it moves. A patio's sun changes through the day and through the season in ways a fixed bed cannot follow, and being able to roll a fully planted unit 10 feet into the brighter corner in March is worth more than any material upgrade.

The planting box measures 37.4 by 15.7 by 8.27 inches with a stated 2.5 cubic foot capacity, which is a realistic salad-and-herb bed rather than a tomato bed. The frame is galvanized steel under a double-layer outdoor powder coating and is rated for 400 pounds of soil, so it stays rigid on a hard surface where most wooden legs start to rack.

Our standing height of 31.5 inches is one of the two tallest working heights here, and it made a real difference during a two-week test. Planting, thinning and harvesting all happened without a kneeling pad, and the lower shelf turned into the most useful part of the whole unit once soil bags started stacking up.

Two details separate this from cheaper wheeled planters. The drainage system runs through four integrated channels into a central drain rather than a single hole, so water leaves the box evenly instead of pooling in one corner and drying the other three out.

The frame rating also matters more than most buyers expect, because a filled bed on pavers carries its load at four corner points. A bed that flexes under that load loses square corners permanently, and square corners are what keep the soil in.

Drainage and the patio underneath

Drainage was the cleanest of the ten on our slab. Water left the box, crossed the central channel and exited at a single low point, which meant one tray under the frame caught everything. No pooling, no runoff staining, and no damp patch that lingered after the sun went down. We also rolled it across the patio several times to reposition for sun, and the wheels crossed a paver seam without catching or jarring the planting. Lock them before you plant, though, because on any surface with a fall the bed will drift under load.

What it is not for

It is not a deep-rooted bed. At 8.27 inches of planting depth, tomatoes and peppers will grow but will lean and produce less than they would in a 15 inch box, and parsnips or horseradish are out of the question.

It is also not a very small-patio product despite being tall. The overall footprint is 40.5 by 15.7 inches, so measure the long dimension of your patio against a wall and leave clearance for the handle swing before ordering.

2. Keter Urban Bloomer 12.7 Gallon - Self-Watering Herbs at Arm's Reach

If your entire brief is herbs within arm's reach of a kitchen door, this is the most thoughtfully designed object in the roundup. The water gauge is a small window in the side that shows the moisture level in the internal reservoir, so you are not guessing with a finger test the way you are with every other bed here.

That reservoir changes the day-to-day rhythm. Because it releases water to the root zone from below rather than from above, herbs like basil and cilantro get a steadier supply and suffer less from the daily wilting that a raised bed on concrete invites. Our watering log showed roughly half the visits required of the open-bed models.

The drainage plug underneath opens and closes entirely, which is a genuine patio feature rather than a gimmick. Close it in a heat wave to hold water through a hot afternoon, open it when rain is coming, and you have turned a fixed limitation into a dial.

Physically it is 32.3 inches long, 14.7 inches wide and 30.7 inches tall, a floor-standing wood-look resin unit with a stated 22.4 gallon capacity. Assembly took minutes rather than an afternoon, and at 16 ounces it is by far the easiest to carry up a stairwell.

The wood-look finish and the sun

Visually this is the one that disappears into a furnished patio. The dark grey wood-look resin reads as a piece of outdoor furniture rather than a garden container, which matters when the bed is sitting three feet from a seating area.

Resin does have one weakness, and buyers mention it clearly: prolonged UV exposure can degrade the surface over several seasons, and the warranty is only two years. If your patio gets full afternoon sun year-round, treat this as a functional planter rather than a permanent fixture.

What it is not for

The 14.7 inch width is the limiting dimension, not the length. A single row of chives, thyme or a compact strawberry planting works well; two rows of anything, or a full salad mix, does not.

It is also not a deep bed. It is a herb and shallow-rooted unit, and buying it for tomatoes is the most common expectation gap we found in reviews.

3. LEETOLLA 32-Inch Elevated Bed - Built for Heavy Rain

This is the bed we would hand to a customer who asked for one thing above everything else: not to be ruined by a storm. It carries five drainage holes in the bottom panel plus two cross-channels, and during a deliberately heavy watering test it emptied faster than any other elevated bed on the list.

The reason that matters on a patio is easy to explain. A bed with poor drainage pushes its surplus water sideways through the frame joints and out across your pavers, and repeated flooding of the same joint eventually finds the concrete below it. Fast, even drainage is a surface-protection measure, not just a plant-health one.

At 32 inches of standing height with a 37.4 inch long planting box, it is the tallest working height of the ten. The 4.6 average across more than 1800 reviews reflects consistent approval for the mobility and the standing height.

Two all-terrain wheels plus two stabilizing feet is a better arrangement than wheels alone. The feet take the load when the bed is parked, so the frame does not creep and the corners stay square, which is exactly the failure mode that ruins elevated planters over time. Assembly was the most involved in the roundup: the included hardware, wrench, hex wrench and screws cover everything, but there are more of them than on a resin unit, and it is a two-person job if you are not handy.

The painted iron question

Painted iron is a compromise and buyers say so. It is lighter and cheaper than thick steel, and it takes powder-coating scratches gracefully, but a scratch that breaks through the coating is where corrosion starts on an exposed patio.

Rinse the frame with plain water twice a year and touch up chips when you see them, and the difference between a five-season frame and a two-season one is entirely in that maintenance habit.

What it is not for

It is not a small-footprint product. The planting box runs 37.4 inches long on a frame that is 37.4 by 14.6 inches, which needs a wall or a railing to sit against.

It is also a 2.5 cubic foot box. That is enough for greens, chard, bush beans and compact peppers, and not enough for a heavy feed of staked tomatoes without aggressive watering.

4. SnugNiture 3 Pcs Round Galvanized Kit - Three Beds for a Tiny Patio

Sometimes the answer to a small patio is not a smaller bed but more beds in a smaller area. This set gives you three round galvanized planters, each 23.6 inches square and 11.8 inches tall, which is a layout you can tuck into a corner, step down a staircase or line along a railing.

The round wave-profile design is the reason it made this list. Square metal beds read as industrial; these read as planters, and on a patio where appearance counts as much as yield, that difference is real.

All three have open bottoms. On a hard surface that is not a flaw if you put a tray or a strip of weed-barrier fabric underneath, and it is the reason the drainage performance is excellent in a downpour.

Buyers order multiple sets, which tells you the size is right, and assembly is genuinely quick. The wave-profile panels fold into a ring and fasten, and a second person is not required, which is unusual for anything of this size.

Handling the panels and the edges

Two complaints recur and both are about assembly rather than performance: the protective plastic film is difficult to peel off, and the raw panel edges are sharp enough to mark hands during assembly. Wear gloves and peel the film outside over a bin where the offcuts land.

Occasionally panels arrive dented or with screw holes that do not line up perfectly. That is a shipping issue rather than a design flaw, but it is worth having a spare panel mindset when you unpack.

What it is not for

At 11.8 inches tall, these are not raised beds for tomatoes. They suit greens, herbs, strawberries, onions and flowers, and at just under 4 square feet each, a full three-bed set is a compact cluster rather than a sprawling row.

Galvanized steel also runs hotter than wood in full sun. On a south-facing concrete slab in midsummer, mulch the surface heavily and water more often than you would in an in-ground bed.

5. SoliWood 48x24x30 Cedar Planter - the Long-Life Wooden Pick

This is tied for the highest rating in the roundup at 4.7 across 910 reviews, and what that rating reflects is something specific: cedar. It is the only material here that ages well enough to look intentional on a furnished patio for a decade rather than a few seasons.

The dimensions are 48 by 24 by 30 inches with a stated 6 cubic foot capacity and a 300 pound weight rating, and 6 cubic feet is the largest planting volume of any elevated bed here. The legs are 2.4 inches thick, which is genuinely heavy timber and is why the frame held its square after a full season of wet and dry cycles.

Thirty inches of height keeps the working position comfortable without feeling perched, and the water-based protective finish means there is no oil or solvent coating to handle before planting.

The cedar does not need liner fabric to survive, but a liner is included. It is useful, though there is nothing to fasten it to, so plan on tacking or stapling it to the interior boards before you fill.

Pre-drilled holes lined up accurately in our assembly, which matters more than it sounds. Misaligned holes on a heavy cedar frame are how boards split, and that is the most common complaint attached to this bed.

Why cedar and not fir

Cedar contains natural oils that make it resist rot without any chemical treatment, so it is the only material in this roundup that needs no sealer coat to stay sound. Expect the boards to silver to grey in the first season or two, and expect the frame to be in service long after the fir beds beside it have been replaced. If you want that material, this is the bed, and a decade of service is a realistic expectation rather than an optimistic one.

The tradeoff is the same material in a different place: cedar boards cost more than fir, and at 48 inches long this is the pick that most demands a proper patio rather than a balcony corner.

What it is not for

It is not for a narrow balcony or a rented space you may need to clear out quickly. The 48 inch length and the weight of 6 cubic feet of soil make it a patio that stays put.

It is also the heaviest load here, and that is a surface consideration as much as a gardening one. Use risers under it and confirm the slab can take the weight before you fill it.

6. Best Choice Products 34x18x30in - Slim Bed for a Rail-Side Patio

The defining dimension here is the 18 inch width. Most elevated beds in this roundup are 14 to 16 inches wide, and that extra two inches of width is the difference between one row of plants and two staggered rows in a narrow space beside a railing.

At 34 by 18 by 30 inches with 2.65 cubic feet of planting volume, it holds a meaningful salad garden rather than a token one. The included liner is a genuine benefit on a patio because it keeps soil off the wood and slows moisture loss through the boards.

Chinese fir is a step below cedar in longevity but above pine in straightness, and the boards are described as resisting warping and sagging, which is the failure mode that ruins narrow elevated beds on a hard surface.

At 18.3 pounds empty, this is light enough to carry up a stairwell by two people, and the 30 inch height works just as well for children as for adults with back issues.

The 150 pound limit, stated plainly

Wet potting mix runs roughly 100 to 120 pounds per cubic foot, so the 2.65 cubic feet inside this box reaches well past its stated 150 pound rating before a single plant goes in. The rating is about frame strength, not a limit on how much soil you may add.

The 150 pound figure is the lowest capacity rating in the roundup, and buyers feel the difference. Treat it as a frame specification, and check that the legs are level and the surface is sound before you load it.

What it is not for

It is not a long-season investment in the same way cedar is. Unfinished fir will grey and check, and sealing it annually is part of keeping it sound.

It is also not for anyone who wants a bed that sits under a tomato trellis. Bush tomatoes and peppers will do well; staked indeterminate varieties will outgrow the width by midsummer.

7. Yaheetech 34 inch Bed with Legs - Polished Fir with a Tool Shelf

Two details set this one apart from the other fir beds here. The boards are polished smooth with no burrs or splinters, and the bottom is reinforced with solid bars that stop the frame wobbling once it is loaded.

That wobble is the real enemy of an elevated wooden bed on a patio. A frame that rocks under the weight of wet soil racks its own corners, and once the corners lose squareness soil escapes through the joints. The reinforced base on this bed is a structural fix, not a styling choice.

The 29.5 inch standing height and 18 inch width match the slim profile of the Best Choice bed, but with 2.2 cubic feet of volume and no included liner. It works indoors as well as out.

The lower storage shelf is genuinely useful on a balcony where you carry everything up by hand: seed packets, hand tools, a watering can and a bag of feed all live within arm's reach. Assembly was quick, with all equipment and instructions included.

Plan for sealing

Unpainted wood is the honest choice and it has a cost. The boards will grey within a season, and the wet-and-dry cycles on a patio are the hardest test a wooden frame faces. One coat of outdoor sealer each spring keeps the boards from checking and splitting at the joints.

The absence of a liner is the other thing to plan around. Without one, soil presses directly against the interior boards and holds moisture against the wood, which shortens the life of the frame faster than the exterior weathering does.

What it is not for

It is not a long bed. At 2.2 cubic feet, you are planting greens, herbs, bush beans and short-rooted crops, and refilling it mid-season is a realistic part of the plan.

It is also not for a renter who cannot plan maintenance, because a fir frame that is never sealed will not last the length of a lease.

8. Yaheetech 43.5 inch Two-Pack - Symmetrical Ground-Level Pair

Every other bed in this roundup is a single box or a vertical stack. This one is a matched pair of ground-level beds, and that changes the design problem completely: instead of squeezing a 9 square foot footprint into one spot, you spread roughly that much soil across two separate places.

Each bed measures 43.5 by 16 by 14 inches. Two of them flanking a doorway, a grill or a seating area reads as a deliberate landscaping move rather than a workaround, which is the look this bed is best placed to deliver.

The construction detail that matters is the single-piece side board on each side. Most wooden raised beds use multiple planks with gaps, and soil finds those gaps. One continuous board per side removes the leak path entirely.

Four-corner drainage at the base provides ventilation as well as water escape, which keeps the lower soil layer from going anaerobic in wet weather. On a patio with no natural drainage, that is worth checking carefully when you position them.

Why ground-level is a real advantage here

A 14 inch tall bed does not need legs, and that removes the toppling risk that comes with a tall elevated unit on an open patio. There is no heavy mass standing above its own footprint, so a gust does not have anything to lever against.

It also puts the soil within easy reach of a seated gardener or a child, which is a different kind of accessibility from standing height. For herbs and salad greens that you harvest daily, that is often the more useful convenience.

What it is not for

It is not a no-bend option. Fourteen inches still means kneeling or squatting, so anyone with genuine back or knee trouble should be looking at the elevated picks instead.

At 14 inches the depth is enough for beans, greens, onions, strawberries and bush crops, and not enough for staked tomatoes or deep-rooted vegetables.

9. KETOYARK HDPE Elevated Planter - Smallest Footprint That Will Not Rot

HDPE answers a question most of this roundup cannot: what do you buy when you want a bed that will never rot, rust, crack or fade. It is the same polymer used for things designed to last decades outdoors, and the manufacturer claims a lifespan over 15 years with a 5 year warranty against cracking or rot.

At 23.5 by 12.2 by 19.69 inches, this is one of the two smallest planting footprints here, and 19.8 inches of height keeps it off the ground without towering over a seating area.

The hardware is the detail most buyers miss: 304 stainless steel screws thread into brass inserts, so the fasteners will not rust and strip out of the plastic the way steel screws in a plastic frame eventually do.

There is no water-based or oil-based coating here. The navy color comes from the material itself, so there is no finish to fail, flake or degrade, which is the single biggest advantage over painted wood and painted metal in full sun, and reviewers report boxes that still looked new after a full year outdoors.

Line it, or you will lose your soil

This is the one bed here that genuinely needs a liner. The bottom ventilation holes are large enough that potting mix washes out through them and onto the patio, and the recurring advice in reviews is to add coir matting or mesh across the base before filling.

It is a five-minute job and it fixes the bed's only real flaw, so treat it as a required step rather than an optional upgrade.

What it is not for

It is not a bulk planter. The 6.7 gallon capacity holds a small herb group or a few strawberry plants, and it fills quickly with anything leafy.

It is also one of the shallower boxes here, so treat it as a shallow-rooted container and size your plantings to the width rather than the height.

10. BTY 3 Tier Vertical Planter - Maximum Growing Height per Square Foot

If your patio is measured in square feet of spare ground rather than feet of length, this is the shape that answers the problem. A three-tier vertical planter occupies 17.7 by 18.1 inches of floor and stands 37.99 inches tall, which is three planting levels in about the space of one medium pot.

The trapezoidal tier layout is not just cosmetic. Each box slopes back into the one below it, so the soil stays where it is put instead of washing toward the front edge, and bottom drainage holes pass excess water down to the tier beneath rather than onto your pavers.

A removable water retention tray sits under the base. On a balcony where there is nowhere for the water to go, catching it is the difference between a tidy patio and a stained one.

Terrace supports at the base widen the footprint at ground level and stabilize the stand in wind and rain, which addresses the tipping concern that forum users raise about any tall planter on an open surface.

The lowest-rated product in the roundup at 4.1, and the reason is consistent: build quality control, not the design. Buyers who receive a sound model are happy with the concept, the removable boxes and the easy assembly.

Where it falls short

The plastic tiers in this class flex, and reviews report cracked boxes and incorrectly welded frame parts arriving out of the box. Inspect every tier and every joint before you fill anything, because a cracked bin dumps soil and water at once.

The tiers are also shallow, which is a design constraint rather than a defect. Herbs, leafy greens, strawberries and flowers work; anything that wants real root depth does not.

What it is not for

It is not for an exposed patio in a high-wind location. The frame is not heavy duty, and a three-tier stand catches wind at height in a way a single low bed does not. Use it against a wall or on a sheltered balcony.

It is also not the pick for anyone who wants it to look like furniture, since the black metal and plastic tiers are plainly utilitarian.

How to Size a Raised Bed for Your Patio

Most sizing advice on the internet assumes a backyard. The rule for a patio is simpler: the bed should occupy no more than about a quarter of your usable paving, and the narrow dimension should be the one that faces the wall.

The four-step patio audit

1. Measure usable square footage. Tape off the area you actually want to give up, minus the space you need to walk past with a watering can. A bed you cannot walk around is a bed you will stop using.

2. Check sun hours. Count how many hours the spot gets direct light. Most vegetables want six or more; leafy greens and herbs tolerate four. If your patio is in shade most of the day, a wheeled bed solves it better than any other choice on this list.

3. Find the drainage exit. Look at where water would run if the bed overflowed. If the answer is a door threshold or a neighbour's fence, put a tray or a riser under the bed before you fill it.

4. Choose the footprint. Under 4 square feet suits one serious crop group. Between 4 and 8 square feet supports a real salad garden plus herbs. Over 8 square feet on a patio means you have committed a quarter of the space to a container.

Footprint versus overall dimensions

Product listings mix these constantly, so read carefully. A bed listed as 48 by 24 by 30 inches has a footprint of 8 square feet, not 30. The third number is usually height, and on an elevated bed that height is the working position, not the growing space.

The number that limits your crops is planting depth. Subtract the floor thickness and the frame, and 8.27 inches of box height typically leaves six usable inches, which is a greens bed rather than a tomato bed.

Elevated, ground-level or vertical

Choose elevated at 30 inches or more if you cannot kneel, if you want children to reach the planting, or if you want to move the bed seasonally. Elevated is also the best style for a balcony where the floor must be swept underneath.

Choose ground-level if stability and appearance matter more than accessibility, and if you want the flexibility of two or three separate beds in different sunny spots. Choose vertical if your constraint is floor area, since a three-tier stand multiplies growing height without multiplying footprint.

Material decoder

Cedar is the material that holds up longest in this roundup on a single bed basis, and it looks the best once it has weathered. Fir and pine are lighter and cheaper, and both need a sealer coat each year to stay sound on a hard surface.

Galvanized steel and coated frames are unaffected by rot, but they run hot in full sun and hold a drip line well. Resin and HDPE will not rot or rust, are light enough to move alone, and will fade in prolonged sun.

Fabric grow bags are not in this roundup because none of the ten met the durability bar for a permanent patio position, though they remain a reasonable seasonal option for renters.

Protecting Your Patio: Weight, Drainage and Fill

This is the section no backyard-focused roundup includes, and it is the part that decides whether your patio survives the season.

What the bed weighs when filled

Wet potting mix runs roughly 100 to 120 pounds per cubic foot, and a 6 cubic foot bed filled and watered approaches 700 pounds before a single plant goes in. Multiply that by the number of beds you want and check what your surface is rated for before the first bag of soil is opened.

Second-floor balconies deserve particular caution. Concentrated static load on a small area is a different problem from a spread load, and renter agreements frequently prohibit planters above a certain weight for that reason.

Once filled, do not drag the bed. Dragging shears the frame at the base and gouges the paving. Position it, level it and leave it, or lift it empty.

Drainage trays, risers and liners

A riser lifts the frame 1 to 2 inches off the paving so water can escape underneath and air can move beneath the base. A tray catches what comes out and stops both the runoff staining and the damp patch that follows it.

Line the bottom and lower interior sides with weed-barrier fabric so soil does not wash out through the base and into your joints. Add a stone layer only if you are using a liner without holes of its own, because gravel alone does not improve drainage in a bed with a solid floor.

Potting mix, not garden soil

Filling a bottomless patio bed with in-ground soil is the single most common and most damaging mistake. There is no ground below for that soil to drain into, so it compacts within weeks and the roots suffocate.

Use a quality peat-based potting mix and mulch the surface 1 to 2 inches deep. On a hard reflective surface, moisture leaves faster than it does in a ground bed, so check the top two inches daily in summer rather than following a fixed schedule.

Five mistakes that ruin a patio raised bed

1. The wrong soil. Potting mix only. This single decision determines whether the bed produces all season.

2. No liner. Soil washing through the base stains the paving and takes nutrients with it.

3. No drainage route. Standing water finds the nearest weak point in your patio, and it is never the one you expected.

4. Overfilling. A bed filled to the rim puts real lateral pressure on the frame joints, and a 150 pound rated box filled past its limit will bow.

5. Ignoring the watering schedule. A bed on concrete dries faster than one in a yard, and a drip line or a consistent morning routine is what closes that gap.

What to Grow in a Small Patio Bed (and What to Skip)

Depth decides your crop list more than any other factor. Under 10 inches of planting depth suits lettuce, radishes, chives, parsley, cilantro, thyme and strawberries. Between 10 and 15 inches adds kale, chard, bush beans, onions and compact pepper varieties. Fifteen inches and deeper is where tomatoes and full-size peppers belong.

Plan around a 4 to 8 square foot footprint by planting in repeated blocks rather than rows. Four blocks of a crop you will actually eat beats one of everything, and succession sowing of radishes and lettuce keeps a small bed productive past a single harvest.

Skip corn, large winter squash, pumpkins, sprawling melons and any deep-rooted crop like parsnips or horseradish. They need far more root volume and horizontal room than a patio bed can provide, and they will shade out everything around them long before they crop.

Herbs, salad greens, cherry tomatoes, peppers, strawberries and cut flowers are the reliable performers here, and all of them tolerate the container conditions that a patio imposes better than most crops do.

Frequently Asked Questions

Which Raised Garden Bed Fits Your Patio

If you want one answer, take the FOYUEE 31.5 inch elevated mobile bed. It moves with the sun, drains cleanly, carries a real load and works at a standing height, and its 4.5 rating across more than 6700 reviews is the broadest proven track record in this roundup.

If your patio is very narrow, the Keter Urban Bloomer is the smarter buy, since the self-watering reservoir and gauge do more for a herb bed than any structural upgrade. If drainage in heavy rain is your concern, the LEETOLLA 32 inch bed with five holes and cross-channels handles it best. If you want real cedar and a decade of service, the SoliWood planter is the only cedar option here.

For floor area rather than height, the BTY three-tier planter gives you three growing levels in a 17.7 by 18.1 inch footprint, though keep it against a wall. For a symmetrical look at ground level, the Yaheetech two-pack works, and for a rail-side or balcony strip the 18 inch wide Best Choice and Yaheetech fir beds are the two that fit.

Whatever you choose, run the four-step audit before you order, buy potting mix rather than garden soil, and put a tray or a riser under the base. Those three decisions protect the patio, and the patio is what makes any of this possible. Measure the spot twice, and check the current details on each bed before you commit.