Low temperature tolerance in specific dwarf/small aloes?

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Low temperature tolerance in specific dwarf/small aloes?

Post Number:#1  Postby Stone Jaguar » Tue Dec 05, 2017 11:21 am

Howdy.

Have just moved most of my tabletop aloes indoors until the spring, but was thinking about trialing a few things outdoors this winter if it remains mild.

Have colonies in 9" clays of A. jucunda, A. pseudoparvula, A. antandroi and A. grandidentata that I would like to test until temps look like they'll be below 30 F/-1.1 C. Any warnings? Have duplicate sets of two of these spp in case they blow up, and assume A. pseudoparvula is probably the most at risk. Always leave my A. peglerae and A. polyphylla fully exposed and no dings...understand both spp. have a great deal of cold tolerance so have never been concerned about frost damage with them.

Thanks,

J
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Re: Low temperature tolerance in specific dwarf/small aloes?

Post Number:#2  Postby Melt in the Sun » Tue Dec 05, 2017 2:42 pm

The only one I grow is jucunda, and while I usually bring it inside, it has endured some surprise frost (maybe 30) without damage.
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Re: Low temperature tolerance in specific dwarf/small aloes?

Post Number:#3  Postby Geoff » Tue Dec 05, 2017 10:30 pm

Aloe jucunda, like most of those plastic-like Somalian Aloes, is pretty cold intolerant, though it can survive 30F easily... but I would not let it go below 27F if possible. Mine survived 25F but it was in a pot right against the house, so that hardly counts. Aloe antandroi did fine at 28F, but keeled over in the heat of the following summer. Aloe grandidentata seems fine down to 20F so far so that is not a real concern for cold damage. Aloe pseudoparvula was fine at 26F, but I have not had it tested lower than that. Agree that Aloe peglarae is pretty hardy... mine does fine down to 20F yearly, but lost another one as 22F, so not sure I get why. Guess not all individuals are created equal.
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Re: Low temperature tolerance in specific dwarf/small aloes?

Post Number:#4  Postby Stone Jaguar » Wed Dec 06, 2017 10:32 am

Thanks, Geoff. I'll keep these against the wall where they pick up a bit of benefit from a warm house.
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Re: Low temperature tolerance in specific dwarf/small aloes?

Post Number:#5  Postby Stan » Wed Dec 06, 2017 8:34 pm

If Aloe jucunda is like Aloe dorothea and Aloe cameronii- small leaved form? Yep,they will die at a bay area 30f. 32F is bad enough to set them back a couple of years. 30 at our usual length of time at that range before sunrise? Melts those more tropical Aloes.
MY feeling is ..this is going to be a mild winter...but late December is our worst period usually- by far.
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Re: Low temperature tolerance in specific dwarf/small aloes?

Post Number:#6  Postby johnbecker » Thu Jan 04, 2018 12:36 pm

Are there cameronii varieties that are more cold hardy than others? I do love the foliage but am not really down for plants that need to be nursed through the winter.
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Re: Low temperature tolerance in specific dwarf/small aloes?

Post Number:#7  Postby Stan » Thu Jan 04, 2018 2:24 pm

The A.cameronii at UCBBG hardly resembles mine. There's is larger leafed and far more upright. If you see that offered for sale- snatch it up. Mine in this frost free winter is fine..now,only have to worry about rot because John- its more sensitive to winter wet also then most Aloe's. Its also been a slower grower then most. When I had it where the sun beat down off a house southwest facing wall,it turned super red and I hardly had to water it. So- the hotter the better,when again,most Aloes only ask for full sun.
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Re: Low temperature tolerance in specific dwarf/small aloes?

Post Number:#8  Postby Stan » Thu Jan 04, 2018 3:49 pm

Here a photo is better than a thousands words. But,sometimes I like saying a thousand words... :lol:
Why one is super red and the others not? I don't know.
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Re: Low temperature tolerance in specific dwarf/small aloes?

Post Number:#9  Postby johnbecker » Sat Jan 06, 2018 8:12 am

That's crazy how they're so different right next to each other. Mine is definitely this same variety--I've got it up against a south-facing fence and under plastic for these rain storms. Hopefully it'll keep on kicking and if not, well that was Mr. Darwin was on about.

BTW, thanks for sharing this picture if only for the oxalis solidarity. Good lord it's crazy out there.
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Re: Low temperature tolerance in specific dwarf/small aloes?

Post Number:#10  Postby Spination » Sat Jan 06, 2018 9:48 am

Stan, are those 2 the same variety? One explanation is besides sun exposure, water stress might be an even bigger issue. It is possible for two of the exact same type even in close proximity to have different quality of root system due to a variety of issues. I remember reading advice a few years back on how to bring out the color in these, and that was by withholding water...
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Re: Low temperature tolerance in specific dwarf/small aloes?

Post Number:#11  Postby Stan » Sat Jan 06, 2018 5:07 pm

I should check that out closer tomorrow- its late today. It might be on no roots...hence the rains are not meaning a thing. It could be a re root needy plant. Good thing John asked..I would have gone weeks never looking for this.
Its a tricky Aloe. If you have amended raised bed it might not seem like it,but just plant in the garden clay like any other Aloe..and its back to tricky.
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