Photo by Melody

PlantFiles: Crested Medusae Head
Euphorbia flanaganii f. cristate

Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: flanaganii f. cristate

8 members have or want this plant for trade.

View this plant in a garden

Cactus and Succulents

under 6 in. (15 cm)
6-12 in. (15-30 cm)

6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

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:
Sun to Partial Shade
Light Shade

All parts of plant are poisonous if ingested
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:

Bloom Time:

Unknown - Tell us

Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

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:

Propagation Methods:
From herbaceous stem cuttings
Allow cut surface to callous over before planting

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

Click thumbnail
to view:

By Xenomorf
Thumbnail #1 of Euphorbia flanaganii f. cristate by Xenomorf

By Xenomorf
Thumbnail #2 of Euphorbia flanaganii f. cristate by Xenomorf

By palmbob
Thumbnail #3 of Euphorbia flanaganii f. cristate by palmbob

By QCHammy
Thumbnail #4 of Euphorbia flanaganii f. cristate by QCHammy


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive QCHammy On Feb 23, 2008, QCHammy from San Tan Valley, AZ (Zone 9a) wrote:

Growing this outside in zone 9a but is in a protected location. Can't really seen that it's grown a whole lot in the last 9 months since I put it in so is a little slow in our area.


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

Phoenix, Arizona
Queen Creek, Arizona
Casa De Oro-mount Helix, California
Spring Valley, California
Tallahassee, Florida

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