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PlantFiles: Ice Plant
Delosperma nubigenum

Family: Aizoaceae (ay-zoh-AY-see-ee) (Info)
Genus: Delosperma (del-oh-SPUR-muh) (Info)
Species: nubigenum (noo-bee-GEE-num) (Info)

Synonym:Mesembryanthemum nubigenum

10 vendors have this plant for sale.

12 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)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Late Spring/Early Summer

Grown for foliage

Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

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

Patent Information:

Propagation Methods:
By dividing the rootball
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:
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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5 positives
No neutrals
No negatives

Gardeners' Notes:

Positive mbhoakct76 On Apr 26, 2008, mbhoakct76 from Winsted, CT wrote:

wow this is a quick growing plant. Super easy to grow and seems pretty hardy in zone 5. But when we planted on ground level - it seemed to want to disappear. So i can see how everyone says its a rock garden planting, so ours was moved to a area where it can drape a rock- and its thriving.

Positive cactuspatch On Jun 22, 2007, cactuspatch from Alamogordo, NM (Zone 7b) wrote:

This plant blooms year round in my courtyard. It is not as aggressive as the one I have that has pink blooms, so I don't have to cut it back as often.

Positive ineedacupoftea On Dec 11, 2005, ineedacupoftea from Denver, CO wrote:

This is a simply great plant. It puts up with extreme heat, drought, alkalinity, poor soil, and more cold than any known delosperma. An established mat can be one-hundred-percent carpetted with blooms. Fast growing given water, but very controllable; no underground runners.
Do not be tempted to plant it between pavers where it will be stepped on; the leaves will literally pop. Do not plant it where it will spead over deep mulches or landscape fabric that do not allow it to root where it speads.

The perfect underplanting for sunny and dry beds and overflowing groundcover.

Positive lark567 On Nov 7, 2005, lark567 from Hermiston, OR (Zone 6a) wrote:

In search of plants that could take the heat in my rock garden, I bought this plant from a seller on E-bay. It came bare root and wrapped in newspaper and fit in the palm of my hand. I planted it in a pocket between some granite boulders and it has flourished ever since. It is now easily 2 foot square and cascades nicely over the rocks. This plant is very easy to grow, takes minimal water, and heat doesn't faze it.

Positive smiln32 On Sep 21, 2004, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

This plant is touted as the hardiest of the Delospermas. It stays very low to the ground, forming a dense mat of fat (succulent) foliage. Yellow flowers bloom in spring for nearly a month. As winter starts, the foliage turns a bronze color similar to that of the Dragons Blood sedum. Beautiful. It does not like to be especially wet, though, so plant it in a well-drained location.


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

Clayton, California
Lompoc, California
Richmond, California
San Leandro, California
Clifton, Colorado
Parker, Colorado
Glastonbury, Connecticut
Winsted, Connecticut
Big Pine Key, Florida
Lafayette, Louisiana
La Luz, New Mexico
Oklahoma City, Oklahoma
Hermiston, Oregon
Fort Mill, South Carolina
Austin, Texas (2 reports)
Broaddus, Texas
Odessa, Texas
Kalama, Washington
North Sultan, Washington

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