zootropical Posted December 23, 2015 Report Share Posted December 23, 2015 Thank you Tom. Here C. revoluta is totaly hardy. Does it stem is more robust then green Encephalartos like natalensis or it is similar? Thank you for your advices. Anyway I will try and see. All the best. Link to comment Share on other sites More sharing options...
Cikas Posted March 7, 2019 Report Share Posted March 7, 2019 How much cold hardy is Encephalartos arenarius?! Also how much cold Dioon spinulosum can take? Link to comment Share on other sites More sharing options...
Meangreen94z Posted May 24, 2019 Report Share Posted May 24, 2019 I’ve heard Arenarius can take atleast high teens *F if in dry conditions, Dioon Spinulosum I’ve heard will take heavy damage/death below 25*F. 1 Link to comment Share on other sites More sharing options...
TexasColdHardyPalms Posted May 24, 2019 Report Share Posted May 24, 2019 Spinulosum is WEAK~ 25F and it will kill the stem. 9A you can reliable grow hundreds of cycad species outside unprotected especially if you get minimal frost. Once you get below 20 your list starts to shrink fast. 1 Link to comment Share on other sites More sharing options...
necturus Posted May 24, 2019 Report Share Posted May 24, 2019 Can spinulosum take low 20s in a frost free spot, or will it still kick the bucket? Link to comment Share on other sites More sharing options...
edbrown_III Posted May 24, 2019 Report Share Posted May 24, 2019 yes it can --- I have about 3 in the ground and one in a pot that I leave out Link to comment Share on other sites More sharing options...
Kailua_Krish Posted May 25, 2019 Report Share Posted May 25, 2019 I’ve also had spinulosum for roughly 10-12 years in my 9a. It doesn’t gain much size for me though and did get toasted in 2010. It’s under dense oak canopy -Krishna Kailua, Oahu HI. Near the beach but dry! Still have a garden in Zone 9a Inland North Central Florida (Ocala) Link to comment Share on other sites More sharing options...
Cikas Posted May 25, 2019 Report Share Posted May 25, 2019 How much cold hardy are Encephalartos munchii and Encephalartos kisambo ''kanga''?! I got seedlings of these two Encephalartos species ( my first Encephalartos ). I do not know much about Encephalartos hardiness. Encephalartos munchii seedling Link to comment Share on other sites More sharing options...
Merlyn Posted May 26, 2019 Report Share Posted May 26, 2019 A lot of the Encephalartos are hardy to the low 20s, generally 22-24F for a lot of them. I don't know much about Munchii, my notes say it is frost-sensitive. My notes on Kisambo are: damage around 28F and defoliation in the mid 20s. 1 Link to comment Share on other sites More sharing options...
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