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Old 03-19-2016, 07:49 PM   #7 (permalink)
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Default Re: Dwarf Namwah cold hardiness

Originally Posted by crazy banana View Post
Nice experiment and good job documenting it.
I love my "old faithful" reliable dwarf Namwah. Fruits every year and the bunches get bigger every year, too.
It would not surprise me if you will see an inflorescence on your plants soon.
I really hope you are right. I have been growing dwarf namwah fro 4 years now, and they did take some effort, especially since, till this year, every year i have had to remove the whole plant a store in my greenhouse. Now i hope to leave mein outside all winter, thus saving a far quantity of work. I'll probably just save a pup at the end of every summer to be safe in case we get one of those nasty winter where we can reach 14F.

Originally Posted by crazy banana View Post
Your experiment is interesting and possibly helpful for other members with marginal climates. One thing to take into consideration though when talking about cold resistance is to look at how long the plant actually was exposed to the cold. Here in San Diego I had four mornings in December with about two hours each were the temperatures dropped to 28F. All my plants looked similar than yours. However, I think if the temperatures would have been that low consistently over a longer period of time (days or day and night), the plants and especially the p-stems would be in worse shape if not completely destroyed.
I think you are right. We got till 20,5F during night but during the day we got 45/50F. If i has 25/28F constantly for ten day i'm relatively sure i would have lost the pstem.
Another thing I want to add is that, since i hoped to increase to the max the hardiness of the mat, i didn't prune any of the stems. This should have had the following effects on the plant:
1) Reduce the physiological stress that any pruning brings, even if necessary
2) Increase the hardiness because between more stems there's more heat trapped/less air circulation/less radiating heat and so on.
3) Last but more importantly: several stems do produce bunches on an extended period of time; and smaller bunches being produced continuously is the way to go for someone living in a place where winter destroys any ripening bunch: because it increases the chances to have a flower to emerge when the moment is "just right" for the bunch to have several months to ripen.

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