Euphorbia Species, Medusa's Head

Euphorbiaflanaganii

Family
Euphorbiaceae (yoo-for-bee-AY-see-ee)
Genus
Euphorbia (yoo-FOR-bee-uh)
Species
flanaganii (flan-uh-GAN-ee-eye)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Evergreen
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
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
Bloom Time
Mid Summer
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
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
From herbaceous stem cuttings
Allow cut surface to callous over before planting
Seed Collecting
Regional

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

College, Alaska

Chandler, Arizona

Goodyear, Arizona

COARSEGOLD, California

Clayton, California

Clovis, California

Fairfield, California

Felton, California

Long Beach, California

Nipomo, California

Perris, California

Reseda, California

Riverside, California

Simi Valley, California

Spring Valley, California

Stockton, California

Vista, California(9 reports)

Yosemite Lakes, California

Philadelphia, Pennsylvania

Houston, Texas

show all

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Gardener's Notes:

5
positives
1
neutral
0
negative
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R
College, AK | October 2017 | positive

I've had a Medusa's Head for 9 months now and it was doing great. I noticed a week ago, one arm (faced away from light) was turning a yel...Read More

M
Felton, CA | March 2015 | positive

I have a larger Medusa head which I have had for many years. I have grown several "babies" off of the mother, but suddenly the larger pla...Read More

Z
| April 2013 | positive

It looks great, growing well in full sun in pot in my zone 10 Israel desert garden. But the chartreuse blooms are gone, will it rebloom?...Read More

J
(Zone 7b) | December 2009 | neutral

my dad medusa head is as good as dead but i managed to save a few "hairs" or branches, i stuck them in the ground and they have grown roo...Read More

P
Acton, CA (Zone 8b) | April 2005 | positive

This is a really easy to grow plant despite it's exotic look... handles southern California outdoor temps well and grows quite quickly in...Read More

H
Northern California, CA | August 2003 | positive

Like all Euphorbia HANDLE WITH CARE, the latex/sap is dangerous and can cause skin rash, itching and general discomfort.

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