Best Small Greenhouse For Deck: Compare 10 Compact Options

#1 · Best Overall

1. Pure Garden 4 Tier Greenhouse

• Dimensions: 27"L x 19"W x 63"H
• Dimensions: 27"L x 19"W x 63"H
• Cover Material: Polyvinyl Chloride (PVC)
• Frame Material: Alloy Steel

Best for: Four-tier deck plant station.

Why it ranks #1: Its 27-by-19-inch footprint suits many decks, with four shelves rated for 24 pounds each, locking wheels, and a roll-up PVC cover.

Four 27-inch-wide shelves with 14 inches of vertical spacing give this Pure Garden greenhouse room for trays, pots, and planters in a compact vertical layout. Each shelf supports up to 24 pounds, so it suits gardeners who want several small-to-medium plants protected together on a deck, porch, or sunroom.

The 27-by-19-inch footprint uses vertical space rather than spreading pots across the deck, while four shelves let you separate trays and planters by level. Each tier has 14 inches of clearance and a 24-pound capacity, useful for arranging a mix of small-to-medium plants without exceeding its stated limit. The PVC cover has a zippered roll-up door for access and protection from frost or pests, and locking wheels make the unit portable when you want to reposition it.

Skip it if you need room for plants taller than 14 inches between tiers; the listed shelf clearance sets a firm limit for this rack.

Choose this for a deck gardener organizing several small-to-medium pots or seed trays across four levels. Its 27-by-19-inch footprint is compact, but the 14-inch shelf spacing and 24-pound per-tier limit should match your plants and containers.

Listed on Amazon as: 4 Tier Mini Greenhouse – Portable Greenhouse with Locking Wheels and PVC Cover for Indoor or Outdoor Green House by Pure Garden

#2 · Best Light Claim

2. Ohuhu 4 Tier Greenhouse

• Dimensions: 29.6"L x 19.7"W x 62.2"H
• Dimensions: 29.6"L x 19.7"W x 62.2"H
• Cover Material: Plastic
• Frame Material: Metal

Best for: Light-transmitting four-tier shelter.

Why it ranks #2: The 29.6-by-19.7-inch base and 62.2-inch height provide tiered growing space, and the listing specifies a roll-up door and 23.4-pound capacity.

A listed maximum shelf weight of 23.4 pounds gives the Ohuhu four-tier greenhouse a clear load boundary for arranging plants and containers. Its approximately 30-by-20-inch footprint and 62.2-inch height create a vertical setup for indoor or outdoor use, with a roll-up door for access.

The four-tier, single-layer-roof layout makes use of vertical space across a footprint of about 29.6 by 19.7 inches, a useful arrangement for a compact deck or indoor growing area. At 62.2 inches tall, it offers a substantial overall enclosure, while the roll-up door lets you reach plants without removing the cover. Ohuhu lists a metal frame and plastic cover, and the maximum weight capacity is 23.4 pounds; keep the total load within that stated limit.

Skip it if you need to place more than 23.4 pounds of plants and containers inside; that is its listed maximum weight capacity.

This is suited to growers seeking a tall, four-tier enclosure for a compact deck or indoor spot. Keep the total load within 23.4 pounds, and make sure the roughly 30-by-20-inch footprint fits your available space.

Listed on Amazon as: Ohuhu Mini Greenhouse for Outdoors Indoor – Clear PVC Cover 27 x 19 x 62''

#3 · Smallest Footprint

3. Velway 4 Tier Greenhouse

• Dimensions: 23.2"L x 19.3"W x 63"H
• Dimensions: 23.2"L x 19.3"W x 63"H
• Cover Material: Polyethylene (PE)
• Frame Material: Alloy Steel

Best for: Reinforced four-tier balcony rack.

Why it ranks #3: Its 23.2-by-19.3-inch footprint saves deck space while four reinforced shelves each hold up to 17.6 pounds.

Four reinforced wire shelves rated for 17.6 pounds each give the Velway mini greenhouse a defined load limit for pots, trays, and tools. Its 23.2-by-19.3-inch footprint and 63-inch height turn a small deck area into four vertical levels for raising plants in limited space.

The four-tier layout stacks growing space vertically, making the 23.2-by-19.3-inch floor area useful for a balcony or patio where spreading containers out is difficult. Each reinforced 1.8 mm wire shelf holds up to 17.6 pounds, giving you a clear per-level capacity when arranging pots, trays, or tools. The 63-inch height accommodates a taller overall structure, while the alloy-steel frame and polyethylene cover provide the listed frame and enclosure materials for indoor or outdoor use.

Skip it if you plan to load any shelf beyond 17.6 pounds; the listed per-tier capacity does not cover heavier arrangements.

Pick this for a small-space gardener who wants four levels for pots, trays, or tools rather than a broad floor footprint. Its 17.6-pound shelf limit matters when choosing heavier containers or grouping supplies.

Listed on Amazon as: Mini Greenhouse Indoor Outdoor 4 Tier Portable Greenhouse Shelves Small

#4 · Wooden Frame

4. Bamworld 3 Tier Greenhouse

• Dimensions: 22.8"L x 16.7"W x 54.1"H
• Dimensions: 22.8"L x 16.7"W x 54.1"H
• Cover Material: Polyethylene (PE)
• Frame Material: Wood

Best for: Wood-frame three-tier deck grower.

Why it ranks #4: The 22.8-by-16.7-inch base is compact, and three shelves offer 15.8 inches of clearance beneath a roll-up-door cover.

A lightweight eucalyptus-wood frame gives this Bamworld greenhouse a different look and an 8.5-pound listed weight, making it easier to move than a heavier structure. Three shelves with 15.8 inches of clearance suit nursery pots, seed trays, and small herbs within a 23-by-17-inch footprint.

The 54-inch-tall frame places three growing levels within a footprint of about 23 by 17 inches, helping organize pots and trays without claiming much deck floor area. Each shelf offers 15.8 inches of vertical clearance for nursery pots, seed trays, or herbs. The clear polyethylene cover transmits 75% of sunlight and is described as trapping heat while blocking wind and light frost; its roll-up zipper door supports access for watering and ventilation.

Skip it if you need four or more shelf levels; this model has three tiers, while the listed four-tier Pure Garden provides another level.

Choose this for a deck gardener who prefers a lightweight wooden frame and needs three levels for trays or small herbs. Its 15.8-inch shelf clearance and 75% light transmission are useful boundaries to consider.

Listed on Amazon as: Bamworld 3-Tier Wooden Greenhouse 54" Tall Portable Green House

#5

5. Outvita 4 Tier Greenhouse

• Dimensions: 63"L x 19.3"W x 63"H
• Dimensions: 63"L x 19.3"W x 63"H
• Cover Material: Polyvinyl Chloride (PVC)
• Frame Material: Iron

Best for: Four-tier frost-conscious plant rack.

Why it ranks #5: This 27-by-19.6-inch four-tier format is sized for a narrow deck area and has a zippered PVC cover and coated metal frame.

Four tiers in a roughly 27-by-19.6-inch footprint let the Outvita greenhouse organize plants vertically while taking up limited deck space. Its clear PVC cover is described as allowing light through while helping maintain warmth and humidity in winter, and the zippered door provides access to the enclosed plants.

The 63-inch-tall structure stacks four levels for seedlings and other plants, using a narrow footprint that can suit a balcony or deck where floor area is limited. Outvita lists a metal-steel pipe frame with a double-layer powder coating intended to resist oxidation, deformation, and breakage. The clear PVC cover is described as providing high humidity and warmth in winter while allowing sufficient light, and the zippered door makes it possible to reach the plants without removing the cover.

Skip it if you need a broad area for wide planters side by side; its listed width is about 19.6 inches.

This fits deck growers who want four levels in a narrow footprint and a covered space for seedlings through cooler weather. Consider the limited width before placing wide pots, and plan access through the zippered door.

Listed on Amazon as: Mini Greenhouse, Small PE, 4 Tiers, White, 27"x19.6"x63"

#6 · Waterproof Floor Mat

6. PROWORX Mini Greenhouse

• Dimensions: 36"L x 18"W x 33"H
• Dimensions: 36"L x 18"W x 33"H
• Cover Material: Polyvinyl Chloride (PVC)
• Frame Material: Metal

Best for: Spill-conscious balcony seed starter.

Why it ranks #6: The low 36-by-18-inch, 33-inch-tall design can fit under deck rail sightlines, and its removable waterproof mat helps contain spills.

A removable waterproof floor mat sets this PROWORX mini greenhouse apart, catching spills and dirt to help protect indoor flooring as you tend seedlings or herbs. Its 36-by-18-inch footprint and 33-inch height suit a balcony, patio, porch, garage, or other tight spot for smaller plants.

The 36-by-18-inch base provides a defined area for seed trays, herbs, succulents, and small potted plants without taking over a narrow balcony or patio. At 33 inches tall, the enclosure is a low-profile option for those smaller starts rather than a tall planting rack. Its removable waterproof mat contains water spills and dirt, which can make indoor use easier on tile, wood, or concrete floors; the PVC cover and metal frame complete the portable greenhouse structure.

Skip it if you want a tall enclosure for mature or upright plants; this greenhouse measures only 33 inches high.

This is a practical fit for balcony gardeners starting seeds or keeping herbs and succulents together, especially when spills on indoor floors matter. Check that the 33-inch height accommodates your plants before setting it up.

Listed on Amazon as: Mini Greenhouse 36"×18"×33" Small Greenhouse Seed Starting Waterproof Floor Mat Portable Greenhouse Patio Balcony and Garage Indoor & Outdoor

#7

7. porayhut Pop Up Greenhouse

• Dimensions: 27.6"L x 27.6"W x 31.5"H
• Dimensions: 27.6"L x 27.6"W x 31.5"H
• Cover Material: Polyvinyl Chloride (PVC)
• Frame Material: Aluminum

Best for: Fold-away frost-cover option.

Why it ranks #7: Its 27.6-inch-square footprint and 31.5-inch height suit low plants, while the foldable design and ventilation window offer flexible use.

A pop-up frame that folds for storage distinguishes this porayhut greenhouse from shelf-based units, making it easy to deploy around plants and put away when unused. Its 27.6-by-27.6-inch base and 31.5-inch height suit shorter plants, with a transparent window for viewing and ventilation.

The 27.6-inch-square footprint provides a defined enclosure for plants, while the 31.5-inch height is suited to shorter arrangements rather than tall plantings. The transparent window lets you check growth without opening the greenhouse and can be opened for ventilation. Its pop-up design can be fixed with ground nails after deployment, and the unit folds for storage or carrying when not needed, an advantage for seasonal use where keeping a permanent structure on the deck is inconvenient.

Skip it if you want a tall rack for upright plants; the 31.5-inch enclosure is shorter than the 59-inch Gardzen greenhouse.

Pick this for a gardener who wants a temporary cover for shorter plants and values folding it away between uses. Its 27.6-inch square base and 31.5-inch height are important fit limits for your deck and plants.

Listed on Amazon as: porayhut Pop Up Greenhouse Cover Flower House Mini Gardening Plant Flower Sunshine Room Room,Backyard PVC Greenhouse Cover for Cold Frost Protector Gardening Plants

#8

8. Ohuhu 36 Inch Greenhouse

• Dimensions: 36"L x 36"W x 58.5"H
• Dimensions: 36"L x 36"W x 58.5"H
• Cover Material: Polyethylene (PE)
• Frame Material: Metal

Best for: Waterproof-pad square plant house.

Why it ranks #8: The 36-by-36-inch base takes more deck area but provides 58.5 inches of height, with a waterproof pad and zipper door.

A waterproof pad paired with a 36-by-36-inch footprint makes this Ohuhu greenhouse a square enclosure for gardeners who want to contain water beneath their plants. At 58.5 inches tall, it provides room for taller plants, while the transparent cover and zippered door support access and visibility.

The 36-inch-square base offers a broad area for arranging pots, and the 58.5-inch height gives more vertical room for taller plants than a low tabletop enclosure. The included waterproof pad helps contain water beneath the greenhouse, supporting use on indoor or outdoor surfaces. A thick, tear-resistant transparent cover protects plants, while the reinforced metal frame has a rust-resistant electrophoretic coating. The zipper door provides an access point, though the listed safety information advises keeping the unit away from extreme weather.

Skip it if you need a greenhouse for extreme weather exposure; its safety information advises keeping it away from extreme weather.

This fits gardeners with deck or indoor space for a square greenhouse who want a waterproof pad and added height for taller plants. Keep the 36-inch sides in mind, and follow the guidance to avoid extreme weather.

Listed on Amazon as: Ohuhu Portable Mini Greenhouse for Indoor Outdoor with Waterproof Pad

#9

9. Gardzen 36 Inch Greenhouse

• Cover Material: Polyethylene (PE)

Best for: Square-footprint seedling shelter.

Why it ranks #9: Its 36-by-36-inch footprint and 59-inch height offer room for potted plants, but occupy more deck space than the tiered picks.

A 36-by-36-inch footprint paired with 59 inches of height gives the Gardzen greenhouse a broad, upright growing area for seedlings, herbs, potted plants, and young vegetables. Its PE cover is intended to reduce heat loss, helping create a more stable environment for extending the growing season in cooler weather.

The square 36-inch base gives plants room across the enclosure, while the 59-inch height leaves vertical growing space for young vegetables and potted plants. Gardzen describes the enclosed polyethylene cover as reducing heat loss and creating a more stable environment, supporting earlier spring starts and continued growing later into fall during cooler weather. A floor mat is included according to the title, adding a layer between the greenhouse and its supporting surface; the sizeable footprint is best suited to a deck with space for a square setup.

Skip it if you have only a narrow deck strip for a greenhouse; this square model needs a 36-by-36-inch floor area.

Choose this for a deck gardener who wants a square growing area for seedlings, herbs, or young vegetables in cooler weather. Its 59-inch height adds vertical room, but the 36-inch sides require a substantial clear patch.

Listed on Amazon as: Gardzen Mini Greenhouse, 36 x 36 x 59 in, PE Cover with Floor Mat

#10

10. KOKSRY Walk-In Greenhouse

• Dimensions: 56"L x 30"W x 76"H
• Dimensions: 56"L x 30"W x 76"H
• Cover Material: Polyethylene (PE)
• Frame Material: Alloy Steel

Best for: Walk-in cover for larger decks.

Why it ranks #10: At 56 by 30 inches and 76 inches tall, this walk-in format is the least suited to a small deck despite its three-tier shelves.

A 56-by-30-inch base and 76-inch height make this KOKSRY greenhouse a walk-in-style option among compact plant houses, with more room for plants than a narrow shelf rack. Its three-tier shelves organize containers, while the cover is described as helping shield plants from rain, wind, and snow.

The larger 56-by-30-inch footprint and 76-inch height offer space to arrange plants within a walk-in greenhouse format, making it a different fit from small vertical racks. Three-tier shelves provide levels for containers, and the supplied information says shelf height cannot be adjusted; you can also use the greenhouse without shelves. Its polyethylene cover is described as retaining heat and moisture and protecting plants and seedlings from rough weather, while the guidance recommends tying it down in windy conditions.

Skip it if you need shelves that can be repositioned for changing plant heights; this model's shelf height is fixed.

This suits a deck with room for a larger walk-in-style plant house and gardeners who want to arrange several containers under one cover. Allow for its 56-by-30-inch footprint and tie it down when used in windy conditions.

Listed on Amazon as: 56x30x76 Mini Walk-in Greenhouse, Portable Plant House with 3-Tier Shelves