Photo by Melody

PlantFiles: Ice Plant
Delosperma dyeri 'Red Mountain'

Family: Aizoaceae (ay-zoh-AY-see-ee) (Info)
Genus: Delosperma (del-oh-SPUR-muh) (Info)
Species: dyeri (DY-er-eye) (Info)
Cultivar: Red Mountain
Additional cultivar information: (aka Psdold, Red MountainŽ)

3 vendors have this plant for sale.

11 members have or want this plant for trade.

Alpines and Rock Gardens
Cactus and Succulents

under 6 in. (15 cm)

12-15 in. (30-38 cm)
15-18 in. (38-45 cm)

USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Unknown - Tell us

Bloom Color:

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall


Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From woody stem cuttings
Allow cut surface to callous over before planting
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive madamecp On Jul 11, 2009, madamecp from Denver, CO (Zone 5b) wrote:

I added this to my (then new) succulent garden in Spring '08. It was a tiny young plant which immediately proceeded to... take over! (But not violently, nothing was hurt, all was good. The only problem was that it got near grass I would rather not have, because it grew so much faster than expected, and now I'm stuck 'weeding' grass out of it.)

The patch is about 20"x28" this year (the 20" side hit a rock wall) and I have already planted 3 minimally layered cuttings elsewhere in the yard. They're all growing nicely, too, and 2 out of 3 of them are flowering. The other one isn't getting enough sun, so it looks bloated and flowerless (but otherwise healthy, I'll just keep an eye on it for now).

I didn't notice any problems during any season, barring the iceplant usuals (eg they are very fragile in the Winter because their super-succulent leaves turn into stiff little ice blocks). Its nicest season was late Spring, when it first started flowering. The entire plant was a big wash of flowers and getting a lot of compliments. It's still flowering, but the flowers are moreso "here and there" now. I wish I'd noticed the lack of a picture here during peak flower season.

I would say the flower colour is a lot more bright orange than red, but that could be the Colorado high altitude sun (many "red" flowers are orange here, at least in my experience).


This plant has been said to grow in the following regions:

Payson, Arizona
Parker, Colorado
Ogden, Utah

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