I have a Blue Silk that doesnt seem to be able to stand full sun during 80 degree temps. When I move it into the shade during the heat of the day it perks up. I keep it moist so water is not the issue. Anyone else experience this with Blue Silk?
Blue Silk-Can it take the heat????
I would say that the majority of MGs don't handle intense all day heat very well. Most MGs like morning sun and afternoon shade. They are tender and the heat just wilts them.
I am surprised to hear that. Morning Glories are invasive here in my neck of the woods. The grow up trees and utility poles. I grew up with this "weed". I see it everywhere growing beautifully on fences in full hot blazing sun and humidity. One of my neighbors has Heavenly Blue all over his fence that he has grown for years in full sun and it is the envy of the neighborhood in the summer. All of mine are in full sun and are growing and blooming very well but Blue Silk is the only one that I have to handle like this. This is my first experience with JMGs and maybe they are sensitive.
Ipomoea purpurea or Grandpa Ott for example, ipomoea indica which is the blue flowers growing everywhere here and ipomoea tricolor which is Heavenly Blue for example can pretty much take the heat. The ipomoea nils of any sort cannot tolerate extreme heat or drought though some do a little better than others. As Becky has stated the nils do very well on morning sun and partial afternoon shade. It can be challenging to get the balance right to get the plants enough sun so they grow and bloom well yet do not get fried. The youjiro types which are nil x purpurea hybrids have been the most tolerant of extreme weather hot or cold in my garden.
Karen
nils are just different!
I agree,the nils are different in their needs and also in many good ways. Once you grow them a while and find out the right places where they fit in they can put on quite a show. They are one of my favorites. Karen
It seems that most of the native types grow no matter what, but the I. nils (like Blue Silk) have the variety of colors and patterns that you are not as likely to see in other MGs which is why I like to grow them. Unfortunately, they are also less tolerant of extreme growing conditions such as heat & hot sun or very cold weather. They also don't usually reseed so prolifically like many of the other MGs, so I don't see as many volunteers sprouting like I do with I. purpurea or others MGs.
Thanks for the information everyone. I am new to the JMGs and am still a little confused with all the differences. I was hoping that I would get nice long vines from all types like I get from my Grandpa Otts, Early Calls, Scarlett O'hara's etc but I am finding that is not the case either. Living and learning.
Dorothy
Scarlett O'Hara is supposed to be a red nil without any white in the throat, but seeds sellers have gotten this one all mixed up with purpurea and miscolored strains.
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