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Author Topic: COLD HARDY LYCHEES & LONGANS  (Read 283 times)

850FL

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COLD HARDY LYCHEES & LONGANS
« on: April 16, 2020, 02:26:51 PM »
Looking for a seedling or commercial variety of lychee and/or longan that can withstand brief drops into the mid to upper teens F. Actually Randy from ‘Randy’s tropical fruits’ has already developed a cold hardy lychee. I believe from the ‘Hap Ik’ or sweetheart heritage, which can withstand at least 15 degrees F.  However it’s up in the air if he’ll ever sell propagations from it for whatever reason.
I believe another potentially cold hardy heritage of lychee could originate from the mountainous ‘Emperor’ heritage.
As for longans, from personal experience they are at least more frost tolerant as a species as a whole than lychees.. not sure about actual ‘cold’ tolerance though.. probably similar. Might even be an easier shot to find a cold hardy longan than a cold hardy lychee.
Any info greatly appreciated.
« Last Edit: April 16, 2020, 02:28:27 PM by 850FL »

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Re: COLD HARDY LYCHEES & LONGANS
« Reply #1 on: April 16, 2020, 02:51:36 PM »
Well season is coming up plant a lot of seeds .Chinese longans probably the most hardy and lychee.

Tropheus76

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Re: COLD HARDY LYCHEES & LONGANS
« Reply #2 on: April 16, 2020, 02:57:44 PM »
Have always heard the opposite and in my experience longans are far more sensitive than lychees. I am in 9B and longans are borderline trees. Mine stayed alive but barely grew while my lychees do really well.

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Re: COLD HARDY LYCHEES & LONGANS
« Reply #3 on: April 16, 2020, 03:12:52 PM »
Have always heard the opposite and in my experience longans are far more sensitive than lychees. I am in 9B and longans are borderline trees. Mine stayed alive but barely grew while my lychees do really well.

That is true the further down the indochina peninsula the more tropical .

850FL

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Re: COLD HARDY LYCHEES & LONGANS
« Reply #4 on: April 17, 2020, 11:46:27 AM »
Have always heard the opposite and in my experience longans are far more sensitive than lychees. I am in 9B and longans are borderline trees. Mine stayed alive but barely grew while my lychees do really well.

Hmm.. I see conflicting evidence all over the web.
And in my personal experience,
I started about 200 longan seedlings and 100 or so lychee seedlings last summer, and scattered them all throughout different microclimates on the property (slightly different elevations, full sun and full shade, some more exposed to wind and frost than others).. none grew over a foot in height when winter came about. We got about 12 brief frosts this past winter (lowest temp 27 F) and not a single longan that I observed suffered any frost damage. However about half the seedling lychees had significant damage to their leaves (However I think much of this damage occured in the first cold event when it dropped from 85 F to 40 F in 6 hours. Not much further damage seemed to occur when actual frosts started to hit, because the plants were acclimated by then..)
So, I don't know yet. Maybe longans are more frost tolerant but more sensitive lower temps (which is a separate factor than frost)..? I'll likely find out in the years to come..

Also what are some Chinese longan varieties? Does Kohala have Chinese heritage?
« Last Edit: April 19, 2020, 11:19:42 PM by 850FL »

 

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