Photo by Melody

PlantFiles: Crown of Thorns, Christ Plant, Siamese Lucky Plant
Euphorbia milii 'Brushfire'

Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: milii (MIL-ee-eye) (Info)
Cultivar: Brushfire

5 members have or want this plant for trade.

Tropicals and Tender Perennials

6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

12-15 in. (30-38 cm)
15-18 in. (38-45 cm)

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
Sun to Partial Shade

Parts of plant are poisonous if ingested

Bloom Color:

Bloom Time:
Blooms all year
Blooms repeatedly

Grown for foliage

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

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:
Unknown - Tell us

Propagation Methods:
From softwood 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

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There are a total of 10 photos.
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2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive catpfaus On Apr 17, 2006, catpfaus from Fort Collins, CO wrote:

This plant grows well indoors in a sunny location. Very easy to care for even when neglected. My in-laws have given everyone they know cuttings. Everyone says that this is one plant that even those with "black" thumbs can grow. We do live in Colorado so I haven't yet tried to grow outdoors year round but do believe it might be able to handle mild winters outside.

Positive secnarfremlap On Apr 4, 2004, secnarfremlap from Orlando, FL wrote:

We have grown "Crown of Thorns" almost continuously in pots in our Orlando garden; we prune heavily every 3-4 years as the plant gets too high/wide for the pots. When we moved to new pots, after about 10 years, found that the soil/earth had almost disappeared and the roots were all that remained. We also fertilized 3-4 times a year. We have an automatic sprinkling system for the yard/garden, which seemed to supply sufficient water.

The pots originally were set around a fountain on concrete circles in full sun when we first moved to Orlando; with passage of time, trees growing, etc. plants still grew and flowered in partial shade.

However, in the last few years (plants now approx. 18 yrs. old) the shade became too much and the flowers started to disappear. When moved to a more sunny/partial sun spot, the plant went back to full bloom.

My husband just cuts back and plunges the cuttings into potting soil and forgets them. We have given many friends these pottings for their gardens.

We did try a couple directly in ground - there the plants acted more vine-like and leggy, and grew apace - and consequently the blooms, which are very small, lost their show.

blooms all year, although not quite so fulsome during winter months, but still gives an Orlando winter garden wonderful color.

only recently found the sap is poisonous - but with heavy gloves (thorns!) the plant has been handled for pruning and change of pots. Wear old clothes, sap does NOT wash out!


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

Jones, Alabama
, British Columbia
Elk Grove, California
Oceanside, California
Fort Collins, Colorado
Fort Myers, Florida
Gainesville, Florida
Lutz, Florida
Marco Island, Florida
Navarre, Florida
New Smyrna Beach, Florida
Orlando, Florida
Palm Harbor, Florida
Rockledge, Florida
Sarasota, Florida
Sun City Center, Florida
West Palm Beach, Florida
Brooklyn, New York
Swisshome, Oregon
West Linn, Oregon
Warren Center, Pennsylvania
Caguas, Puerto Rico
Middleton, Tennessee
Corpus Christi, Texas
Fort Worth, Texas
Houston, Texas
San Antonio, Texas (2 reports)
Reston, Virginia

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