When it comes to gardening, especially in northern climes, a greenhouse can be an invaluable tool.  Designed to help you increase the length of your growing season, a greenhouse allows you to start planting earlier and keep plants growing long after the first frosts hit.  With so many models designed for the do-it-yourself market, finding a greenhouse can seem like wandering through a maze.

Greenhouses come in a variety of sizes and styles.  You can find a mini greenhouse that will provide a small space to start a few trays of seedlings, or a large unit that can house plants year round.  The best units come with sturdy, durable outer materials, as well as vents, covers, and windows.  If you can’t effectively vent your greenhouse, your plants can overheat quickly, which is just as bad for them as being exposed to the cold.

Some models offer snap on additions that make a greenhouse expandable as your needs grow.  This solves the problem of moving up to larger models quite handily.  With accessories like shelves, potting tables and room to store your supplies, you may very well need a larger unit once you get started in greenhouse gardening.  Why should you need to completely replace your current unit if you can just add onto it?

For those who want to grow food, a greenhouse is particularly useful.  Few things are as annoying as spending months trying to get your plants to harvest only to have them die off in the first frost, without producing.  By using a greenhouse to start seedlings at an earlier date, the plants can get into the ground as soon as the danger of frost has passed, with a healthy head start.  This minimizes the risk of running out of time at the end of the season.

Having your own greenhouse also frees you to plant exactly what you want.  Gardeners that depend on the local nursery are restricted to those plants that travel well and are ordered by others.  Greenhouse owners can choose their favorite seeds, significantly expanding the appeal of a garden.  A useful and creative tool, a greenhouse can make gardening a real pleasure.

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