FROST: general rules from experience....

Indfireguy

Indfireguy

Well-Known Member
Thanks man. Appreciate that. That’s some good information and advice. I have noticed 2 have started to curl back and looking limp. I’m taking one today as it was pretty dam close anyway. The other meds a bit more time. But really never did well or flourished like the other 5. Probably have to take it in the next day or two. Surprisingly the other 3 that need time actually look ok. I’ll get some pics up when I get home. Just running to town for h2o2. Lol
 
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Growerguy143

Active Member
Where I live I get very harsh temps in early fall this past week I had temps all below 30 degrees with most nights being mid to low 20s as long as you cover your plant with a tarp to keep the frost off and it gets sun during the day, it’ll be fine. Also blue dream extra sativa dominant.
 
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Growerguy143

Active Member
Growerguy143 said:
Where I live I get very harsh temps in early fall this past week I had temps all below 30 degrees with most nights being mid to low 20s as long as you cover your plant with a tarp to keep the frost off and it gets sun during the day, it’ll be fine. Also blue dream extra sativa dominant.
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This would be 0 to -5 Celsius that my plants are surviving.
 
Ryax

Ryax

Well-Known Member
my biggest plants are flowering, but im only beginning to put my smallest ones into flower
i do have a greenhouse, perhaps i should set it up
i hope my plants dont die from the cold :(
i am in NE NY
 
radicaldank42

radicaldank42

Well-Known Member
ive had this speculation before that they can handle frost but what aboiut snowfall like an early snow fall. or it rains and then the night hits and freezes things.
 
farmerfischer

farmerfischer

Well-Known Member
blueberryrose said:
This was my first serious outdoor grow, so I was pretty worried. Already chopped some of it out of fear of losing it all.
(eastern Ontario)
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As long as the sun doesnt hit them first thing in the morning they normally will be fine.. alot of times if plants get hit by the the sun first thing at daybreak with frost all over them it can rupture cells in the leaves killing them..
 
Intheseed

Intheseed

Well-Known Member
farmerfischer said:
As long as the sun doesnt hit them first thing in the morning they normally will be fine.. alot of times if plants get hit by the the sun first thing at daybreak with frost all over them it can rupture cells in the leaves killing them..
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I've noticed that some plants handle the cold (and snow) no problem. Others go limp. I have never tried it on cannabis, but vegitable gardners swear by hitting frosted plants with a hose before the sun comes up. That might buy some of you a few more days.
 
farmerfischer

farmerfischer

Well-Known Member
Intheseed said:
I've noticed that some plants handle the cold (and snow) no problem. Others go limp. I have never tried it on cannabis, but vegitable gardners swear by hitting frosted plants with a hose before the sun comes up. That might buy some of you a few more days.
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Yeah.. in some plants the cells burst when the sun hits the frost, spraying helps as long as it doesnt freeze right back up..
 
deadbeet

deadbeet

Member
Quick note for those watching this thread: My plants saw 26F this year.. also temps near 28F w/ very high winds (gusts of 30mph+). I left portions of plants exposed, uncovered, to these conditions and they survived. Suffice it to say, 26F is cold af and appears to be the threshold, at least in my climate. I covered a lot of my plants heading into these conditions but, after a few years' experience, I wouldn't trust row cover to remain stable (even new/unused) and not leave tiny fibers on your flower. Looking ahead, I'll be eager to try "fast" versions of some strains as well as focus on varieties that finished for me in time (Zone 3A). FWTW
 
VolimPicke

VolimPicke

Well-Known Member
I had one plant that was not yet ready for harvest so I left it out.
There were two nights of frost but the plant survived.
I cut it down but some buds had a bit brown outside but still green inside
It does not smell bad and am wondering if this is just frost damage and not bud rot.
What are your thoughts?

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deadbeet

deadbeet

Member
VolimPicke said:
I had one plant that was not yet ready for harvest so I left it out.
There were two nights of frost but the plant survived.
I cut it down but some buds had a bit brown outside but still green inside
It does not smell bad and am wondering if this is just frost damage and not bud rot.
What are your thoughts?

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Looks like frost damage to me. I've seen similar results when my plants are exposed to frost and/or cold temps. If you don't see other indications of botrytis or mold, I bet you're ok. The insides of the buds look alright? Lotta good posts on here to let you know what to look for re: bud rot if you've not seen it firsthand.
 
VolimPicke

VolimPicke

Well-Known Member
deadbeet said:
The insides of the buds look alright? Lotta good posts on here to let you know what to look for re: bud rot if you've not seen it firsthand.
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TY for the feedback
The insides are all OK. They were all green and nice inside.
The brown was only on the outside.
 
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