Delosperma Species, Yellow Ice Plant

Delosperma nubigenum

Family
Aizoaceae (ay-zoh-AY-see-ee)
Genus
Delosperma (del-oh-SPUR-muh)
Species
nubigenum (noo-bee-GEE-num)
Synonym
Sun Exposure
Full Sun
Foliage
Grown for foliage
Textured
Height
under 6 in. (15 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
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)
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Other Details
Category
Alpines and Rock Gardens
Groundcovers
Perennials
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
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
Regional

This plant is said to grow outdoors in the following regions:

Clayton, California

Lompoc, California

Richmond, California

San Leandro, California

Clifton, Colorado

Littleton, 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

Simpsonville, South Carolina

Austin, Texas

Broaddus, Texas

Odessa, Texas

Logan, Utah

Kalama, Washington

North Sultan, Washington

Sultan, Washington

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Gardener's Notes:

5
positives
0
neutral
0
negative
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M
Winsted, CT | April 2008 | positive

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 t...Read More

C
Alamogordo, NM (Zone 7b) | June 2007 | positive

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 ...Read More

I
Denver, CO | December 2005 | positive

This is a simply great plant. It puts up with extreme heat, drought, alkalinity, poor soil, and more cold than any known delosperma. An...Read More

L
Hermiston, OR (Zone 6a) | November 2005 | positive

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 wrappe...Read More

S
Oklahoma City, OK (Zone 7a) | September 2004 | positive

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...Read More

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