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5 Top Greenhouse Kits with Floor (2021)

Having your very own greenhouse in your yard can be a gratifying experience. You can grow a large variety of flora year-round and sustain your gardening hobby with ease. There are many versions of greenhouses on the market, but the top greenhouse kit with a floor can be challenging to find.

In many cases, you will have to add the flooring after the greenhouse is set up. With that in mind, we’ve selected the top five greenhouses with exceptionally sturdy base designs or those with material to complement the addition of flooring. In the end, you can choose which one suits your needs the best.

Quick Summary

Palram Glory Greenhouse 8x16 HG5616

Palram Glory Greenhouse 8'x16' HG5616

  • Blocks 99% of harmful UV rays with practically unbreakable polycarbonate panels
  • Provides eight feet six inches of headroom and 127 square feet of growing space

Riga IV 10x14 Greenhouse by Hoklartherm

Riga IV 10x14 Greenhouse

  • The frame is permanently attached, so the wind is no match for its strength
  • The Dutch-style door creates additional ventilation without compromising security

Riverstone Monticello Greenhouse 8x12-Growers Package

Riverstone Monticello Greenhouse

  • Includes a drip irrigation system that you can program and customize
  • Fully insulated walls help extend your growing season and cut down on energy costs

Prestige Greenhouse 8x12 HG7312 by Rion

Prestige Greenhouse

  • The twin-wall polycarbonate panels help with insulation while diffusing harmful UV rays
  • Ventilation is a breeze with a roof vent, double doors, and side louver windows

Oasis Hex 12x10 Greenhouse HG6005

 Oasis Hex Greenhouse

  • The aluminum frame is rust-resistant and includes a gutter system
  • Strong structural stability thanks to its galvanized steel base

Top Greenhouse Kit with Floor

Palram Glory Greenhouse 8x16 HG5616

Palram Glory Greenhouse 8'x16' HG5616

This quintessential greenhouse is an excellent option for any gardener looking to up their growing game. Even with a more reasonable price tag than some of the other options on the list, the Palram Glory Greenhouse delivers on main features like its corrosion-resistant aluminum frame, polycarbonate panels, automatic vent openers, and integrated rain gutters.

The lockable door is over 31 inches wide, so it’s easy to move items in and out. Plus, with almost nine feet of headspace at the peak, you’ll never feel trapped in this greenhouse.

Pros

  • High walls, wide roof
  • 10-year warranty
  • 127 square feet of growing space
  • Includes galvanized steel base and ground anchoring system
  • Blocks 99.9% of unwanted UV light
Cons
  • Assembly can be a challenge

Check price on Palram Glory Greenhouse.

Riga IV 10x14 Greenhouse by Hoklartherm

Riga IV 10x14 Greenhouse

The Riga IV is designed and constructed by Hoklartherm, a German company with almost 30 years in the business. No amount of durability is spared in this greenhouse, making it the strongest greenhouse for under $5,000.

On top of its sturdy construction, the Riga IV also has useful features such as a Dutch-style lockable door, two automatic roof windows, and a sizable rear window for excellent ventilation. The greenhouse’s curved roof gives it an aesthetic quality that will enhance your backyard and allow rain and snow to slide off it with ease.

Pros
  • High-quality polycarbonate glazing
  • First-class insulation
  • Dutch-style barn door
  • 10-year warranty on polycarbonate, 15 years on frame
  • Friendly and helpful customer service
Cons
  • Assembly video and instructions are confusing at times

Check price on Riga IV Greenhouse.

Riverstone Monticello Greenhouse 8x12-Growers Package

Riverstone Monticello Greenhouse

Riverstone proudly makes its greenhouses in the USA and doesn’t skimp on quality features. For example, you can program the drip irrigation system to your liking, and a thermostat controls the electric ventilation system. Also, the roof vents are automatic, and the double doors create a 48-inch opening for easy movement.

The Monticello Growers Package also comes with a ten-year warranty, one of the strongest in the industry. It’s not likely you’ll need to use it, though, as it comes with professional-grade walls and a quality-constructed, heavy-duty aluminum base. 

Pros

  • Includes a 12-foot folding workbench system
  • Dependable insulation creates greater efficiency and growth
  • Peak height of seven feet, six inches
  • Built-in rain gutters
Cons
  • Assembly is more challenging than it appears

Check price on Riverstone Monticello Greenhouse.

Prestige Greenhouse 8x12 HG7312 by Rion

Prestige Greenhouse

The Prestige Greenhouse by Rion boasts simple DIY installation and a spacious 112 square-foot design. Harmful UV rays don’t stand a chance against the polycarbonate panels, and the two-tier benches are portable and easy to assemble.

Plus, the greenhouse will automatically open and close the louver windows and roof vent to maintain proper growing conditions. The base kit utilizes a honeycomb design for added stability. Also included is a trellising kit so you can quickly hang vines from tomatoes, cucumbers, zucchini, and more.

Pros
  • Seven feet, six inches of headspace
  • 7-year limited warranty
  • Includes drip irrigation kit
Cons
  • May not withstand wind and snow as well as other options

Check price on Prestige Greenhouse.

Oasis Hex 12x10 Greenhouse HG6005

Oasis Hex Greenhouse

This hexagonal-shaped greenhouse from Palram Oasis will make a nice addition to any backyard space. With clear side panels and polycarbonate twin-wall roof panels, you can use this greenhouse as more than just a greenhouse!

The two side louver windows provide ample ventilation, and the double doors give a very open feel to the indoor space. The aluminum frame is coated in anthracite powder to prevent corrosion, and the galvanized steel base adds stability to the structure.

Pros
  • 99% of UV rays blocked by roof panels
  • Built-in water drainage gutters
  • 5-year limited warranty
Cons
  • Reports of missing parts 

Check price on Oasis Hex Greenhouse.

What to Consider When Buying a Greenhouse Kit with Floor

Purchasing a greenhouse is a substantial investment, so it’s worth taking the time to determine which features you really need for ideal growing conditions. Below are some of the most valuable things to consider when buying a greenhouse kit.

Lighting

Some greenhouses have opaque walls that limit the amount of light entering the space, while others have transparent walls. If you plan to use your greenhouse for initial planting that you will then transfer outside, clear walls are ideal.

If you want to use your greenhouse year-round and grow everything to maturity, opaque walls are better.

Size

Much like lighting, you should consider your intentions for your greenhouse to decide which size is the best. Growing vegetables year-round will take up more space than planting starter seedlings in the winter to prepare for spring.

Also, if you or a family member are above-average height, you’ll want something comfortable enough to stand up in.

Logistics

Depending on exactly where you live, you may need to obtain permits or permission to construct the greenhouse. Also, some areas only allow greenhouses of a specific size or style to be placed in yards.

And, of course, even if you can build the greenhouse in your backyard, you need to plot out where it will go and if it will fit properly.

Insulation

If you live somewhere that gets very cold and snowy in the winter, you’ll need a durable greenhouse that can stand up to the beating snow and below-freezing temperatures. If you’re in a more mild climate, there may not be a need to invest in high-quality insulation.

Final Thoughts

Having a greenhouse just outside your door is a viable way to take your gardening to the next level and expand your growing season. A greenhouse kit with a floor allows you to have additional space to enjoy your hobby or provide your family with healthy food all year long.

Keep in mind important factors to consider before purchasing a greenhouse kit, such as spacing, sizing, and climate. Also, prepare yourself for a few days’ work when it comes to assembly or hiring someone to do it for you at an additional cost.

Check prices on greenhouse kits.