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Euphorbia tirucalli questions


_Keith

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I have a few of these and I love them. Seems easy to grow and fairly bullet proof. I am particularly interested in its cold hardiness in the ground. Any one got more info?

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In my post I sometimes express "my" opinion. Warning, it may differ from "your" opinion. If so, please do not feel insulted, just state your own if you wish. Any data in this post is provided 'as is' and in no event shall I be liable for any damages, including, without limitation, damages resulting from accuracy or lack thereof, insult, or any other damages

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Older specimens have survived 24~25°F in the ground here in the San Francisco Bay Area, but get damaged on younger growth. The 'Sticks on Fire' cultivar has problems with root rot and tip dieback even in winters where it never gets frost for me here in Berkeley, California.

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Very hardy Keith. The best specimens I've seen have thrived on neglect. As David alluded to, 'Sticks of Fire' can be a temperamental little cuss. Just watch the sap!

 

 

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I have read hardy to 20 on some sites. And roots super easy from cuttings so no problem keeping 1 or 2 in the wings.

And yep, I too have read "Sticks of Fire" is troublesome.

Just hoping someone would confirm that 20 degree mark.

In my post I sometimes express "my" opinion. Warning, it may differ from "your" opinion. If so, please do not feel insulted, just state your own if you wish. Any data in this post is provided 'as is' and in no event shall I be liable for any damages, including, without limitation, damages resulting from accuracy or lack thereof, insult, or any other damages

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Sap is highly toxic, can cause welts and blindness depending on severity of contact, indivduals toxicity threshold, etc... dont get it in yours eyes wash your hands after or better yet wear gloves.

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20°F hardiness is more likely if you can keep them dry during the winter, and harden them off in fall by with-holding moisture to lull them into dormancy. Active new growth with severe cold and wet soil conditions or freezing rains are going to do damage.

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20F is certainly way more than optimistic here in California… but 25 is survivable, though usually with pretty severe tip damage (as stated, even more damage to the Fire variety). Where I live now it gets down to 20F yearly and no way that plant will survive that.. in fact only a handful of the African Euphorbias survive 20F.

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