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#1
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How long does a cycad leaf live?
I've recently gained interest in growing cycads that are cold-hardy to my area (upstate South
Carolina, Zone 7). I'm wondering-- how long do individual cycad leaves live? I have two C. revoluta that have produced new sets of leaves-- one started with five and produced five, the other started with six and produced fourteen. I know that some cycads produce 2-3 "throws" of leaves per year, some 1 or 2, and some maybe produce a new set only every couple of years. And yet I see cycads covered with dozens of leaves. Which seems to imply that individual leaves can live for several years, else how could so many build up when the leaves are produced so slowly? Can anyone give me an idea of the typical "lifespan" for an individual cycad leaf? |
#2
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How long does a cycad leaf live?
I'd say, where you live, the typical lifespan of a cycad leaf is 1 year. I
live in the southern midlands of SC (near Augusta GA) and our cycads grow very well. However, in a harsh winter when temps drop below 20 deg several nights in a row, all the leaves are killed, bleaching out over the next few weeks. In spring, our revolutas put out 20 or more leaves. In a milder winter, the leaves are not killed but we have the same leave production in spring. Favored areas on hills near the Savannah River, where warm air rises from the river valley in winter, have some cycads that are 8-10' tall with leaves to the ground indicating rather long lengevity. Of, course, some of those leaves are from the young basal suckers. You don't say where you live in upstate SC. But if it's toward the mountains, you'd better protect the trunk in winter since you're colder than we are and we've lost some in abnormally cold winters. As far as I knew, where we live is about the upper limit of cycas growing. Gary "Darren Garrison" wrote in message ... I've recently gained interest in growing cycads that are cold-hardy to my area (upstate South Carolina, Zone 7). I'm wondering-- how long do individual cycad leaves live? I have two C. revoluta that have produced new sets of leaves-- one started with five and produced five, the other started with six and produced fourteen. I know that some cycads produce 2-3 "throws" of leaves per year, some 1 or 2, and some maybe produce a new set only every couple of years. And yet I see cycads covered with dozens of leaves. Which seems to imply that individual leaves can live for several years, else how could so many build up when the leaves are produced so slowly? Can anyone give me an idea of the typical "lifespan" for an individual cycad leaf? |
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