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Rhapidophyllum hystrix after -1.0°F


tjwalters

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Here's my largest needle after many cold nights, including a couple of -1.0°F nights, and many days with sub-freezing highs, Also had quite a bit of snow. Yes, that's a pile of snow in front of the palm.

Needle.20140223-01.jpg

...and yes, it was planted too close to the house as a strap-leaved seedling. (Who knew it would survive??)

Needle.20140223-02.jpg

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Tom

Bowie, Maryland, USA - USDA z7a
hardiestpalms.com

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Wow...that is one huge needle palm. How long from a 1 strap seedling?

David Simms zone 9a on Highway 30a

200 steps from the Gulf in NW Florida

30 ft. elevation and sandy soil

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Wow...that is one huge needle palm. How long from a 1 strap seedling?

Probably about 25 years (dang, I'm old). Once they get some size on them, though, they can really move.

Tom

Bowie, Maryland, USA - USDA z7a
hardiestpalms.com

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That thing looks healthy. A seriously cold-hardy palm, and pretty too. I bet it still has some growing to do. I know they can get a bit of trunk. How much does yours have?

Woodville, FL

zone 8b

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haha, that palm is older than I am. I'm glad it is doing so well for you. I wonder what the neighbors think?

Los Angeles, CA and Myrtle Beach, SC.

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That thing looks healthy. A seriously cold-hardy palm, and pretty too. I bet it still has some growing to do. I know they can get a bit of trunk. How much does yours have?

Thanks. It has many "trunks" in the clump, which is probably a couple feet wide. I usually get a hundred or more seeds from it every year, too.

Tom

Bowie, Maryland, USA - USDA z7a
hardiestpalms.com

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haha, that palm is older than I am. I'm glad it is doing so well for you. I wonder what the neighbors think?

Most probably don't even notice it, sadly.

Tom

Bowie, Maryland, USA - USDA z7a
hardiestpalms.com

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That's one tough palm.

I've got a seedling that barely moves.

Thanks for the great photos - they tell the story.

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  • 9 months later...

looks almost untouched and in perfect condition!! :greenthumb::greenthumb: way to go!! :winkie:

Carlsbad, California Zone 10 B on the hill (402 ft. elevation)

Sunset zone 24

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Very nice! Trying to start growing cold hardy palms for customers here in TN. Needle is on my list.

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Very nice! Trying to start growing cold hardy palms for customers here in TN. Needle is on my list.

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Wow, that is very encouraging, thanks! I have a small seedling and one starting to put out sideshoots. Temperatures here have never been as low as yours but -10 to -15C and highs below freezing are not unusual. Winters have become less cold here in the last years though.

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Very good coldhardiness! They should plant some in the garden of the White House!

They have some in the botanical gardens of Washington DC.

Alexander

Edited by Explorer
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These Needle Palms also experienced -1F in Knoxville, Tennessee last winter. They are on the grounds of UT Knoxville, planted in the summer of 2006 as 7 gallon plants. Pics taken in February of 2014.

IMG_0055_zpsd5e12c77.jpg

IMG_0050_zps6db8966e.jpg

IMG_0053_zpsfe79c998.jpg

IMG_0035_zpsbfe3b2e9.jpg

Edited by Frank - Knoxville
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Wow, that is very encouraging, thanks! I have a small seedling and one starting to put out sideshoots. Temperatures here have never been as low as yours but -10 to -15C and highs below freezing are not unusual. Winters have become less cold here in the last years though.

Needles do need a lot of summer heat to do well. Mine see temperatures in the F 90s each summer.

Tom

Bowie, Maryland, USA - USDA z7a
hardiestpalms.com

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Wow, that is very encouraging, thanks! I have a small seedling and one starting to put out sideshoots. Temperatures here have never been as low as yours but -10 to -15C and highs below freezing are not unusual. Winters have become less cold here in the last years though.

Needles do need a lot of summer heat to do well. Mine see temperatures in the F 90s each summer.

I know. But in my limited experience they grow better at lower temps than Sabal. My little needle seedling put out almost 4 leaves last summer (which was only rain and no sun). Sabal minor are much slower here. And if they defoliate they need all season to recover or don't and just cark it.

If it's not the heat then I don't know what else. In an average summer here we only get between 30 to 40 days with temperatures above 25C.. you could probably count on one hand the days with more than 30.

Edited by Flow
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