Euphorbia Species, Corn Cob Euphorbia, Corkscrew

Euphorbiamammillaris

Family
Euphorbiaceae (yoo-for-bee-AY-see-ee)
Genus
Euphorbia (yoo-FOR-bee-uh)
Species
mammillaris (mam-mil-LAIR-iss)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Evergreen
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing
6-9 in. (15-22 cm)
Hardiness
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)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Green
Inconspicuous/none
Bloom Time
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Can be grown as an annual
Suitable for growing in containers
Bloom Characteristics
Bloom Size
Other details
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
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting
Regional

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

Brea, California

Clayton, California

Fairfield, California

Hayward, California

Reseda, California

San Diego, California

VALLEY VILLAGE, California

show all

Featured Videos

Gardener's Notes:

3
positives
1
neutral
0
negative
Sort By:
Sort By:
J
| May 2010 | positive

slow growing but cheerful plant. shade and sun will not hurt it.

sap may or may not be poisonous. For those persons who de...Read More

R
San Diego, CA (Zone 10b) | October 2009 | positive

I love this plant and I've never had any of the allergic reactions to the sap.

D
Crestline, CA (Zone 8b) | August 2009 | neutral

This species is happy and healthy living in the Mother-In-Law's cactus garden and I thought it was one of the neatest looking things... ...Read More

H
Northern California, CA | August 2003 | positive

Will remain mostly green if grown indoors or in a greenhouse situation. Put outside in late Spring in 9b, full sun will turn it complete...Read More

Featured
Millipede
(Dicranogonus pix)
American Robin
(Turdus migratorius)
Featured
Millipede
(Dicranogonus pix)
American Robin
(Turdus migratorius)