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Archontophoenix tuckeri

16 posts in this topic

Back in the summer day (Aug'06)...

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Same palm in ground Jan'07 ( planted in Sep'06). The temperature bottomed out at 19F in the backyard.

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EGAD!

Nowhere near 19 FF!

Upper twenties, FF, serious damage to specimens about 5 feet tall in the ground.

Bigger ones (so far) much better, but I'm praying, throwing salt, not stepping cracks . . .

dave

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27F for 5 hours for seedling about 5' tall over all- instant death.

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After fourth day of nasty freeze (29 F, -1 C), ten footer in the ground, a little browning, but otherwise okay.

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Large 5g, 4', under shade cloth, sheltered from wind as well. 32 lowest measured temp.

No damage.

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Update:

After four solid nights of 28-29 F (-1 C), this specimen is still trashed.

But, the spear is starting to grow again!

:D

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Latest update:

Two weeks after the big freeze, this specimen still looks sad.  Four nights of 28-29 F.

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But it's recovering!

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4 footer under canopy no probems at all after 2nd night at 32.

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My three eight to ten footers suffered no damage in a very dry (no frost) night of 32-31 degree temperatures from 9:30 pm until near dawn; 30 at dawn.

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2nd nite in the mid 30's 2-3 footer with light frost almost completely light brown some green hopfuly it will

recover.

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One of my three suffered several browned leaves and the other two look unharmed after two nights, each with about nine hours of freezing temperatures. The colder night got down to 28 degrees [-2.2 C], twice, at the nearby airport. We escaped frost.

All three have sky overhead, but the yard is ringed by tall laurel oaks. The damaged A. tuckeri is adjacent to the house, with a galvanized steel roof. I wonder whether the roof makes for a slightly different microclimate.

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There's been no further damage. Of my three plants, all the same age, only one has serious browning. Two are unfurling new leaves. My guess is that A. cunninghamiana may be a bit more cold-hardy based on a 20' plant and a youngster in my yard. Neither suffered any damage. Here's one of the A. tuckeri plants. The new leaf is the normal color, and will turn green in a week or two:

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Here is the same A. tuckeri recovering from this December's 26 F (-3.3 C), followed by 28 F, two weeks later. January was cool, but no freezes or frost.

The other two in the yard (probably siblings from the same batch of seed) look about the same. Each had a bit of canopy but sky overhead.

The two A. cunninghamiana in the yard (one larger than the tuckeri's and one about 1 m tall) were undamaged.

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Each of the A. tuckeri's in the back yard have unfurled four or more new leaves since the freeze, and will have shed all damaged leaves by the end of summer.

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