Cold Frames and Portable Greenhouses
Frames and Portable Greenhouses
frames and portable greenhouses offer an economical, quick solution
for plant protection during winter rains, wind, sleet and snow. They act
as protective, mini greenhouses, trapping free solar energy to heat and
radiate back to your soil and plants. When not needed, they store compactly
out of the way until next season.
you can use these portable shelters in a multitude of ways with no or very
little heat depending on your location:
In Winter - Give bulbs their required cold conditions before forcing
for spring. After freezing has passed, they are great for sowing seeds of
tree, shrub, wildflower and perennials that require a cold treatment for
better spring germination. Overwinter crops for spring eating, such as spinach,
lettuces and onions.
In Spring - They provide a practical "half way" house between
your indoor windowsill and outdoor garden. Use them to start seeds and harden
off seedlings before planting outside in the garden.
In Summer - Use them as a dehydrator for fruits and veggies. With
a little shading, root herbaceous and woody cuttings, and jump start fall
crops like carrots, beets and cole.
In Fall - Lettuce, spinach, onions and other late-fall crops thrive
inside well after frost that normally would have killed them outside. Also
store favorite plants not quite hardy enough to make it outdoors through
Location - As possible, during the winter choose a site that will
face south to get maximum benefit from the low winter sun. Ideally, you'd
like full sun from mid-morning to mid-afternoon. The area should be level,
well-drained, and protected from the winds. A water source nearby is helpful.
Control - Use a thermometer inside to help you gauge when it is warm
enough to plant. See Thermometers.
Even in winter, temperatures can heat up dramatically, so venting is essential.
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