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plamfrong

Sabal causiarum

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plamfrong

Here's a Sabal causiarum from the same Seattle garden as the heavily damaged Brahea edulis. It was planted as a small plant in the early 90's. It has never had really heavy damage, (this is the worst I've seen it) and benefits somewhat from being surrounded by pavement and rock. As for the ID, well we can only hope the owner got it right. It doesn't look right for a lot of the better known hardy Sabal species, though.

img_8798.jpg

Here again is the weather for that neighborhood during our big freeze. The coldest night was about 16 degrees but it was below freezing for a long time and snowed almost two feet.

Magnolia Weather Station History

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DoomsDave

Hmm.

That's certainly a Sabal, and a nice, robust one, too.

Looks more like a Riverside or uresana to me, with the silver leaves.

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tank

Low of 14F. 14 days straight of below freezing temps. 50% overhead protection. ~50 Plants in pots (3gal to 15gal) and in the ground had no damage.

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blake_tx

A very robust 1g

24f - No damage

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JLeVert

Major leaf burn at 13F - 15F, but the wind was blowing up to 30mph. Horrible. No S. causiarum killed and putting out new foliage very strongly in May.

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TexasColdHardyPalms

Total defoliation on 5' CT specimen at 13F. Palm is growing well. 

1g totally defoliated at 16F in a frozen pot, spear pulled, thought was dead, but is alive and growing. 

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TexasColdHardyPalms

Same big palm, 22f calm night 50% burn. Like phoenix these will survive zone 8 but will never look good.  If you need a massive sabal in zone 8 go with uresana or blackburnia or even mexicana. 

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TexasColdHardyPalms

Hereis a pic of a causarium new transplant after 20f at the nursery. 

20171213_141237.jpg

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TexasColdHardyPalms

This turned out to be dominguensis not causarium.  

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