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Geonoma species showing good cool tolerance

Featured Replies

I will say this Geonomas are really starting to impress me in the cool tolerance range.

Quite rare palms in this part of the world, but after getting my hands on a few different varieties they are proving to be very cool tolerant, not to bad for palms that are prized ornamentals.

Cool tolerance is one thing they need to be to survive in my winter and grow well. Another issue is water they drink like a drowning fish. So if they are to live in the ground it’s going to have to be some pretty good soil amendment landscaping duties.

And these are tube stock seedlings not advanced palms, so iam impressed with how well they take 2 degrees celcius IMG_6169.jpegGeonoma pycnostachys IMG_6168.jpegGeonoma look longivaginata sub sp vallensIMG_6166.jpegGeonoma atrovirens IMG_6164.jpegGeonoma bondaria

IMG_6165.jpeg

Richard, no possible to grow genoma here, but I can grow many other species including your beloved chamaedorea, and even your favorites: Phoenix !, if you change your mind about phoenix, I can always try sending you my phoenix rupicola seeds when they mature.

GIUSEPPE

Gorgeous palms you have, Richard! Geonoma bondariana and G. schottiana do well in my Mediterranean type climate but G. undata needs a much cooler climate than my coastal valley location can provide. Mine would only grow in the winter and then languish in the summer even though it’s rarely hot here. After five years in the ground in full shade, it finally gave up. It was just showing a ruby red crownshaft on its little trunk too. 😥

Jim in Los Altos, CA  SF Bay Area 37.34N- 122.13W- 190' above sea level

zone 10a/9b

sunset zone 16

300+ palms, 90+ species in the ground

Las Palmas Design

Facebook Page

Las Palmas Design & Associates

Elegant Homes and Gardens

  • Author
20 hours ago, gyuseppe said:

Richard, no possible to grow genoma here, but I can grow many other species including your beloved chamaedorea, and even your favorites: Phoenix !, if you change your mind about phoenix, I can always try sending you my phoenix rupicola seeds when they mature.

Don’t worry gyuseppe theres a lot of palms i cant grow either!

Those Phoenix and there big spines that get you when you even when look at them.

  • Author
10 hours ago, Jim in Los Altos said:

Gorgeous palms you have, Richard! Geonoma bondariana and G. schottiana do well in my Mediterranean type climate but G. undata needs a much cooler climate than my coastal valley location can provide. Mine would only grow in the winter and then languish in the summer even though it’s rarely hot here. After five years in the ground in full shade, it finally gave up. It was just showing a ruby red crownshaft on its little trunk too. 😥

They are interesting palms I will say that, it’s not the cool weather that gets them rather the heat that fry’s them. You sound like you have given them a run for their money in trying them out. We all can create that microclimate but the day we go on holidays or sell up and move the odds are stacked against such beautiful palms we have managed to grow. But it’s most definitely not from lack of trying. I doubt my atrovirens will go in the ground, to rare and I know my climate can go into severe drought at times.

Oh the woes of palm growing!

We are having ideal Geonoma weather here. 62 degree highs, soaking wet mornings thanks to heavy fog and mist, a real rain forest. The Geonoma undata has never been happier and now it’s big enough that the slugs don’t bother it too much. (The Lepidorrachis obtained from Darold last winter is pretty happy too.)

SF, CA

USDA zone 10a / Sunset zone 17

Summer avg. high 67°F / 20°C (SF record high 106°F / 41°C)

Winter avg. low 43°F / 7°C (SF record low 27°F / -3°C)

480’ / 146m elevation, 2.8 miles / 4.5km from ocean

  • Author
8 hours ago, Foggy Paul said:

We are having ideal Geonoma weather here. 62 degree highs, soaking wet mornings thanks to heavy fog and mist, a real rain forest. The Geonoma undata has never been happier and now it’s big enough that the slugs don’t bother it too much. (The Lepidorrachis obtained from Darold last winter is pretty happy too.)

They seem to prefer wet high humidity conditions, the cool conditions is a great bonus for growing them out of there habitat. It took me a couple of loses in growing them before I worked them out, the same with iguanura palms. I have managed to germinate a few Geonoma weberbauri from rps and it looks like iam having good luck so far with them popping up with more on the way.

IMG_6292.jpeg

1 hour ago, happypalms said:

They seem to prefer wet high humidity conditions, the cool conditions is a great bonus for growing them out of there habitat. It took me a couple of loses in growing them before I worked them out, the same with iguanura palms. I have managed to germinate a few Geonoma weberbauri from rps and it looks like iam having good luck so far with them popping up with more on the way.

IMG_6292.jpeg

Be careful not to paint them all with the same brush. G undata subsp undata (G weberbaueri) will be very tricky in summer for you. Hates consistent heat. Will need the coolest, wettest spot to be a chance. Most Geonoma are very tropical and will love the heat as long as the moisture is kept up.

Tim Brisbane

Patterson Lakes, bayside Melbourne, Australia

Rarely Frost

2005 Minimum: 2.6C,  Maximum: 44C

2005 Average: 17.2C, warmest on record.

  • Author
30 minutes ago, tim_brissy_13 said:

Be careful not to paint them all with the same brush. G undata subsp undata (G weberbaueri) will be very tricky in summer for you. Hates consistent heat. Will need the coolest, wettest spot to be a chance. Most Geonoma are very tropical and will love the heat as long as the moisture is kept up.

I was expecting that, pretty well much not a chance in the ground in my climate. And one cool greenhouse in the shade may get built for just such palms in the low area of my property. Crazy to think I would be going for a that sort of greenhouse, go for 90 percent shade cloth 😂 A container palm for those Southern growing Tasmaniacs and the Mexicans south of the border!

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