25 Small Greenhouses (For Nearly Any Space—2×2 And Up)

A small greenhouse allows just the right amount of sun and moisture to come in while keeping insects and bad weather out. And the easy access panels or sliding doors make tending to your tomatoes or lettuce easy labor.

If you’re a hobby gardener who likes to grow a few veggies on your patio, or you’re a more serious gardener who likes to start seeds in the dead of winter, there is a small greenhouse option for you. Take a look at our list of some of the best small greenhouse options available.

Mini Plastic Greenhouse

Measuring only 4′ x 2′, this mini greenhouse is an ideal solution for apartment or condo- living or for anyone looking to get just a small amount of plants started early.

Mini Starter-House Greenhouse

Garden year-round! This mini starter greenhouse holds 16 flats and protects plants and flowers from weather and animals while still providing you with easy access.

Sunbubble Greenhouse

This small greenhouse is packed with possibilities. Create your own plant conservatory, grow veggies year-round, or hide out inside of it. It’s just large enough to stand up inside and just small enough to keep things simple and low maintenance.

Mini Row Greenhouse

Perfect for growing rows of veggies, start seeds early in the spring and keep enjoying fresh-grown veggies even after the first fall frost.

Mini Shrub Greenhouse

Protect the roots of shrubs and trees with this greenhouse measuring at just 2′ x 2′. Take the worry out of losing some of your favorite plants to harsh weather.

Small Cold Frame Aluminum Greenhouse

Fancy your own home-grown lettuce year-round? This small, cold-frame greenhouse made of aluminum is sturdy enough to protect your leafy greens from the cold, while allowing sun and moisture in.

Portable Mini Walk-in Greenhouse

With four tiers, this sturdy greenhouse can handle the task of housing plants throughout the winter, as well as protecting veggies from critters and harsh weather. Its portable feature makes it easy to move to another location in your yard or pack up and bring with you if you relocate to a new home.

Small Greenhouse With Shelves

Another great option for small spaces, this mini greenhouse is just the right size to house a few plants or flowers or start seeds in the winter.

Wood Raised Greenhouse

Crafted of eucalyptus wood making it resistant to mold and insects, this raised greenhouse offers easy access while standing, and its top panels easily prop open.

Wood Greenhouse Box

This small wood greenhouse box isn’t just a way to get a jump start on spring planting, it’s also an attractive addition to your outdoor space.

Small, Round Raised Bed Greenhouse

This small, raised bed greenhouse is ideal for when you only need to start a small amount of seeds early.

Wooden Shelved Greenhouse

A small greenhouse like this sits comfortably on a back porch or patio or behind a garage. Its sturdy frame and polycarbonate glazing will keep your plants warm, and its multiple panels give you easy access to care for them.

Lean-to Greenhouse

If you’re looking for an upright greenhouse option and have limited yard or garden space, consider a lean-to design. This fits nicely against your house, shed, or garage, and sliding door gives you easy access.

Small Corrugated Metal Greenhouse

Add a rustic, farmhouse element to your greenhouse with this small corrugated metal option. Just the right size for a patio or porch.

Austrian Cold-frame Greenhouse

It doesn’t get much simpler than this. Engineered to give your garden as much light as it needs, with panels that are easy to raise or lower, this small greenhouse means not having to give up your hobby in the winter months.

Small Cold-frame Greenhouse

Just the right size if you need to start a few seeds or are limited when it comes to space for planting.

Small Pine Greenhouse

This type of greenhouse is an excellent option if you’re looking to extend your growing season. These line up nicely in your existing garden spaces.

Mini Tomato Greenhouse

Is there anything better than a fresh summer tomato? Pamper yours with a special greenhouse designed to protect them and speed up harvest time.

Pop-up Greenhouse

Having a greenhouse couldn’t be simpler than one that sets up easily on this pop-up frame.

Garden Starter Greenhouse

This simple garden starter greenhouse can be used both indoors and out, making it a breeze to start plants and vegetables during the winter months and have them ready for planting in the spring.

Seedhouse Mini-Greenhouse

Even the smallest of spaces shouldn’t deter you from getting your seeds started or growing a few plants and vegetables. This seedhouse mini-greenhouse is just the ticket.

Hemispherical Dome Greenhouse

The hemispherical dome of this greenhouse means that your plants, veggies, and flowers are always getting the best the sun has to offer.

Mini Stand-Up Greenhouse

Easy to assemble, this mini stand up greenhouse has a sturdy, steel frame, and eliminates stooping as you tend to your seeds.

Small Lean-to Greenhouse

Don’t let this small frame fool you. The height of this lean-to greenhouse is tall enough to grow tomatoes or protect your hibiscus.

Greenhouse Shed Project Plans

If you’re ambitious enough to build your own greenhouse, these are plans for a greenhouse that mirrors a charming cottage.

There’s no question that growing your own plants and vegetables can be rewarding. For anyone living in a climate that prevents us from growing our favorite leafy greens year-round, greenhouses are a perfect alternative.

Admittedly, having an entire greenhouse isn’t necessarily feasible for many of us, as yard space is limited. This is where a small greenhouse can be an ideal solution. Even apartment and condo dwellers don’t need to miss out on the opportunity to get their tomatoes started before the last frost of spring. If you like to keep your garden growing all year, regardless of what the winter has in store, there is a way to do that without investing in a large greenhouse.