Re: FreezePruf - It's here!
Yes. First it depends on the plant that you use it on. As far as bananas are concerned it added about 3-5F additional cold tolerance from my experience. I used it on my basjoos and bordelons and had no damage at 30F, a small amount of leave damage at 29, more damage at 28 and below 27 my I had alot of damage. I was able to extend the growing season here in St Louis an additional 5 weeks past the first frost for my bananas.
Also keep in mind that it depends on the plants freezing point. For example windmill palms are normally leaf hardy to about 15F, so freeze pruf would take that down to 10F.
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Jeremy
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