The practice evolved to express the individuality often constrained by the uniformity of the military, to evoke memories of home and peacetime life, and as a kind of psychological protection against the stresses of war and the probability of death. It was (and still is) an interesting practice. Aircraft would eventually be lost, outdated or scrapped due to maintenance cost and replaced.Īircrews in World War II decorated their planes with pictures of pinups and pretty girls. The work you put into the maintenance and care for the plane is a culmination of the will you have to live on and survive. More importantly, the plane was what carried them away from death and back to the safety of their airfield. Additionally, it is one of the things they were allowed to personalize. At night, as the water slowly freezes, it releases the stored radiant heat of the sun, keeping air inside the tepee frost-free.Crews frequently got attached to their aircraft, as they are not only flying them but continually repairing and maintaining them. The water absorbs the sun's heat during the day. Replace lids at night when cold temperatures swoop through.Ī twist on the hot cap idea is a Wall O'Water tepee, which encircles individual plants with a sleeve of water-filled tubes. Create the equivalent of a hot cap using plastic two-liter bottles or gallon jugs with bottoms cut off and lids removed (but saved).
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Hot caps act like cloches (mini greenhouses), but venting holes eliminate the daily chore of placing and removing the covering.
Tepee time gal install#
Protect Individual Plants – Install hot caps – rigid plastic containers with venting holes – over individual seedlings at planting time. (Fluorescent bulbs don't generate enough heat for this chore.) Bulbs must be close to plants (within 2-3 feet) for this technique to work.
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Turn On Lights – An incandescent light bulb generates sufficient heat to raise nearby air temperature enough to protect a plant from the deep freeze. Lay row covers directly on plants, or create a tunnel by suspending them over a bed using stakes. These covers are made from synthetic fibers or plastic in varying thicknesses. Heat from the sun can build beneath solid coverings, and plants can die from high temperatures.īreak Out Blankets – Keep gardening blankets, often called row covers, on hand. In the morning, remove coverings when temperatures rise and frost dissipates. Anchor fabric coverings if windy conditions threaten. Ideally, coverings shouldn't touch foliage. Cover plants before dark to trap warmer air. You can also invert baskets, coolers or any container with a solid bottom over plants. Remember to protect electrical connections from moisture.Ĭover Plants – Protect plants from all but the hardest freeze (28☏ for five hours) by covering them with sheets, towels, blankets, cardboard or a tarp. Stir a breeze all night with an electric fan to keep frost from forming on plants. Keep Air Moving – Cold, still air does the most damage to plants. For greatest effect, paint a few water-holding containers black to maximize daytime heating. The water will moderate air temperatures if it freezes, it will release heat. At night, move them near endangered plants.
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Fill gallon jugs or buckets with water and place them in the sun during the day. Moving plants under a deck, into a garage or shed, or onto a porch with a roof often offers ample protection.Ĭount On Water – Water soil just before sundown to raise overnight air temperature around plants as the water evaporates. This works with seedlings in flats and potted plants. Pick It Up – The easiest cold-protection scheme is to move plants out of harm's way. To find the threshold for your plants, search garden books and online resources. Other plants are just hardy by nature and can withstand temperatures as low as 18-20☏. Some keel over when temps fall to 40☏ others crumble at 35☏. Tropical plants have differing low-temperature thresholds. Seedlings, with their tender new leaves, often give up the ghost when temperatures dip to 32-33☏. Of course, there are exceptions to this rule. The general rule of thumb is that most plants freeze when temperatures remain at 28☏ for five hours. In order to understand what steps to take when freeze warnings threaten, you need to know the point at which treasured greenery fades to frost-burned brown.