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Frond Burn


Rothbardian1

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Does anyone happen to know at what temperature robusta and queens suffer burn? I read somewhere that burn on both queen palms and robustas occur somewhere around 23 or 24f. 

 

Thank you

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It depends on the plant and the amount of precipitation.  Generally in dry conditions queens will 100% defoliate at 19-21 degrees and robusta will be around 17-19F.  Wet(frost/ice/snow) queens will defoliate at 25Fand robusta will be 20-22F.  If ice stays on the fronds both could completely defoliate at a higher temp. 

Filifera will defoliate at 12-14F dry and 17-19F wet.

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Thanks. I was looking on the USClimateData website at historic temps for my city, and we might have one to three days that reach 22 to 23 degrees in January, with a drop in temperature to about 18 every 10 years. However, I believe they took those measurements well outside of the city in a rural area, according to the log/lat coordinates.  I'm sure my cities microclimate is a little above the recorded data. Or, I'm at least hoping. 

The California Fan Palm can't handle the moisture in my area. I wish I could have found a cross between the two, because I hear the hybrid filibusta does really well in 8b/9a.

Edited by Rothbardian1
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23F is pretty spot on for Robusta,mostly as you go below this temp

is when you get significant damage.

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Nahuta looks like a very solid 8B with 9A microclimates very likely. Washingtonia will survive and flourish without issue in your area.  Queens in Texas have to be in a 9A (22F to be exact on the map) per the usda interactive map to survive long term.  I am not sure how that equates in GA and FL especially based on pictures of queens, bismarckia and majesties Tallahasse on a separate thread.

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Queens do good here. There are some beautiful, old ones. They even do well more inland from where I am located. I can't post a picture of them on my phone, but if you google queen palms Waycross, Ga (25 miles further inland), there's a few nice ones that pop up. But I know they burn occasionally- everyb4 to 5 years) in Waycross. 

Edited by Rothbardian1
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  • 2 months later...

Waycross GA shows up as 18.0F on the interactive map and judging from those pictures are way milder than any corresponding Texas area (Round Rock, Bryan, Huntsville).

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