A cold frame greenhouse kit is one of the smallest you can buy, access is given through panels in the top. The other kind, naturally, is the walk-in greenhouse, which is usually best if you plan to grow more than eight mid-sized plants.

The right greenhouse for you depends on several different factors. Generally, the portable models are best for those small-time growers who don't do things year-round. Portables aren't ideal for harsh weather--winds over 50 m.p.h. and snow flurries require a more weatherproof greenhouse.

When installing a cold frame greenhouse in your yard choose an area with southern or southeastern exposure. Also be sure there is proper drainage. In extreme conditions you’ll need to take extra steps to protect your plants. Professionals recommend stacking leaves and or straw on top of the structure during the night. This will protect your greenhouse garden from freezing

Many people are tuning in to the advantages offered by portable greenhouses. These little greenhouses come in a variety of styles, it's important to stick with a name brand. The cover is most important--make sure it blocks UV rays while still letting in at least 75% of the light.