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#1
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hot cap
What is a hot cap? Is it like a plastic bag over the plant?
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#2
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hot cap
Sly boots 9 wrote:
What is a hot cap? Is it like a plastic bag over the plant? Can be little paper domes to protect from night frosts and stretch your growing season. Gotta take 'em off when the sun comes up tho or the plants will cook. * |
#3
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hot cap
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#4
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hot cap
Sly boots 9 wrote:
What is a hot cap? Is it like a plastic bag over the plant? I've seen the other two (at this point) replies. I want to add that locally to me (Detroit, MI) hot caps are sold as clear plastic domes (their actual shape is sort of squarish) with a generously sized vent hole in the top. There is no need to remove them during the day. These run a little on the expensive side at (IIRC) about 75 cents each in packs of 4, but they look like they will last several seasons so the price may well be justified. I bought a couple dozen this year and they seemed to work as advertised. I set my tomatoes out April 15 and didn't lose any until I (erroneously) believed a NOAA weather report that stated a low of 34 deg F for the night. Maybe it never went below that where they took their measurements, but I lost half my Druzba tomatoes and a couple of each of the other varieties to frost. From now on, no more taking chances. If the advertised low is below 40, I'm leaving the hot caps on. Bill |
#5
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hot cap
Bill said:
I bought a couple dozen this year and they seemed to work as advertised. I set my tomatoes out April 15 and didn't lose any until I (erroneously) believed a NOAA weather report that stated a low of 34 deg F for the night. Maybe it never went below that where they took their measurements, but I lost half my Druzba tomatoes and a couple of each of the other varieties to frost. From now on, no more taking chances. If the advertised low is below 40, I'm leaving the hot caps on. Be wary of frost any time predicted low is less than 40 degrees and the sky is clear. Be especially worried if the DEW POINT is at or near 32 degrees. Get REALLY WORRIED if there is no wind. Radiative cooling can produce patchy frost even when the official, measured low is higher than 32 degrees. -- Pat in Plymouth MI ('someplace.net' is comcast) Any technology distinguishable from magic is insufficiently advanced. (attributed to Don Marti) |
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