Euphorbia Species, Hybrids, Crown of Thorns, Christ Plant, Siamese Lucky Plant, Corona de Cristo

Euphorbiamilii

Family
Euphorbiaceae (yoo-for-bee-AY-see-ee)
Genus
Euphorbia (yoo-FOR-bee-uh)
Species
milii (MIL-ee-eye)
Synonym
Euphorbia bojeri
Euphorbia rubrostriata
Sterigmanthe bojeri
Tumalis bojeri
Other Details
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Under 1"
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

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

Cave Creek, Arizona

Goodyear, Arizona

Phoenix, Arizona

Tucson, Arizona

Yuma, Arizona

Anaheim, California

Chino Hills, California

Clayton, California

Encino, California

Fallbrook, California(5 reports)

Fontana, California

Hidden Meadows, California

Lompoc, California

Long Beach, California

Mission Viejo, California

Reseda, California

San Diego, California

Solvang, California

Spring Valley, California

Thousand Oaks, California

Venice, California

Visalia, California

Yorba Linda, California

Pueblo, Colorado

Alachua, Florida

Bartow, Florida

Brandon, Florida

Fort Lauderdale, Florida(2 reports)

Groveland, Florida

Gulf Breeze, Florida

Hialeah, Florida

Holiday, Florida

Jacksonville, Florida(2 reports)

Jupiter, Florida

Keystone Heights, Florida

Lakeland, Florida(2 reports)

Lehigh Acres, Florida

Longwood, Florida

Lutz, Florida

Melbourne, Florida

Melbourne Beach, Florida

Naples, Florida(2 reports)

New Port Richey, Florida(2 reports)

New Smyrna Beach, Florida

Oldsmar, Florida

Panama City Beach, Florida

Port Charlotte, Florida

Punta Gorda, Florida(2 reports)

Safety Harbor, Florida

Saint James City, Florida

Saint Petersburg, Florida

Sarasota, Florida(2 reports)

Satellite Beach, Florida

Winter Springs, Florida

Augusta, Georgia

Tunnel Hill, Georgia

Honomu, Hawaii

Makaha, Hawaii

Makaha Valley, Hawaii

Nanakuli, Hawaii

Village Park, Hawaii

Waianae, Hawaii

Waipahu, Hawaii

Waipio, Hawaii

Olathe, Kansas

Gray, Louisiana

Greenwell Springs, Louisiana

Vidalia, Louisiana

Federalsburg, Maryland

Oakland, Maryland

Gulfport, Mississippi

Dixon, Missouri

Ridgefield Park, New Jersey

Deposit, New York

Poughkeepsie, New York

Carrboro, North Carolina

Winston Salem, North Carolina

Cincinnati, Ohio

Cleveland, Ohio

Gold Beach, Oregon

Mc Keesport, Pennsylvania

Vieques, Puerto Rico

Gold Coast, Queensland

Conway, South Carolina

Goose Creek, South Carolina

Austin, Texas

Brazoria, Texas

Brownsville, Texas

Bulverde, Texas

Corpus Christi, Texas

Dallas, Texas

Deer Park, Texas

Dickinson, Texas

Houston, Texas(2 reports)

La Porte, Texas

Livingston, Texas

Mc Kinney, Texas

Mcallen, Texas

New Braunfels, Texas

Pearland, Texas

Port Lavaca, Texas

San Antonio, Texas(2 reports)

San Benito, Texas

Santa Fe, Texas

Sugar Land, Texas

Ogden, Utah

Manassas, Virginia

Newport News, Virginia

Portsmouth, Virginia

Goldendale, Washington

Maryhill, Washington

Appleton, Wisconsin

show all

Featured Videos

Gardener's Notes:

33
positives
4
neutrals
2
negatives
Sort By:
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A
A
San Diego, CA | November 2020 | positive

I recently acquired a small Euphorbia millii with white flowers at a local store. It is currently in bloom, and I just love the flowers. ...Read More

B
Oak Ridge, TN (Zone 9a) | July 2020 | positive

It took me a long time to figure this plant out and it's been on death's door and back many times so I can attest to it being a hardy pla...Read More

C
Fulton, TX | March 2016 | positive

I have had this for many years and my father before me. I now have a red, a yellow and a coral which is a bit different. Am wanting to he...Read More

M
New Braunfels, TX | July 2014 | positive

New Braunfels, Texas is in Zone 8a/8b. The Crown of Thorns stays outside all spring, summer and fall. I shelter the plant on a west-fac...Read More

S
Melbourne Beach, FL (Zone 10b) | April 2014 | positive

Coastal central Florida. A tenant planted this years ago under a palm tree. It never gets watered , pruned or fertilized. Grows great wit...Read More

F
Visalia, CA | May 2013 | positive

I live in an area of low humidity with average annual temps from 28 to 110 degrees (F), zone 8. I've been growing two varieties of Crown...Read More

G
Jacksonville, FL | September 2012 | positive

bought this plant for 1$ at our annual garden club sale. Love cacti and succulents. It has doubled in size in 6 months. Blooms continuou...Read More

S
Albemarle, NC (Zone 7a) | November 2011 | positive

I live in NC zone 7. My COTs are outside in sun all summer.
I put them in my greenhouse which is heated to 50* at night. I have 11...Read More

C
McKinney, TX (Zone 8a) | May 2011 | positive

Easy to grow and propagate. They do burn or freeze easily in cold weather even if the temps are not at freezing. The roots like to sta...Read More

S
Winter Springs, FL (Zone 9b) | January 2011 | neutral

This says cold hardy to 25 degrees, not in Central FL zone 9B. They will not come back if temperatures dip into the twenties for any more...Read More

N
N
Ogden, UT (Zone 6b) | January 2011 | positive

I have had my Crown of Thorns for at least 10yrs. It stands 35in.from the soil. It has many branches and I'm always finding new ones star...Read More

B
B
| December 2010 | positive

I love my crown of thorns. Purchased it 7 years ago as a baby-all of 5 inches tall. It's now over three-1/2 feet tall. Full of red flo...Read More

K
K
kh2
Ridgefield Park, NJ | July 2010 | positive

I have this plant, crown of thorns, it is now over 50 years old, my mother purchased it as a tiny plant, I now have it and it is well ove...Read More

S
| June 2010 | positive

When we bought our home 5 years ago, there was an empty little garden just outside my bathroom window. Everything I planted in it died af...Read More

C
Manassas, VA | May 2010 | positive

I love my Thorny plant .. the thorns are like hypodermic needles and the flowers are bold red. I bought it in FL when it was maybe 6 inch...Read More

H
Carrboro, NC | May 2010 | positive

I have had this plant for 10+ years and for about half of that time it was neglected and/or not in full sun. It always bounces back, and ...Read More

P
Union City, CA | January 2010 | positive

People grow this plant extensively in the Philippines, where it is hot and humid year-round and rains very often half the year. It doesn...Read More

D
Waianae, HI | December 2009 | positive

This plant brightens up my patio which has half a day of shade then blazing sun and occassional salty breeze. Owners in the building com...Read More

V
| October 2009 | negative

i wish i can give this plant some good news, but i can't.
where i'm working at; we have some of these plants here, but what most p...Read More

C
Goldendale, WA | June 2009 | positive

The most beautiful and easy to grow indoor house plants I have ever had the joy of owning. I have always had it inside due to the extrem...Read More

P
Fallbrook, CA | June 2006 | positive

I live in 10b Southern CA. My mother-in-law brought this crown of thorns to our home when she moved in. It was in a pot outside and rarel...Read More

C
C
Cave Creek, AZ | October 2005 | positive

I have two of these plants. Both are outside, full sun and in a terracotta pot. I placed a 3" plastic PVC pipe with holes in it, in the c...Read More

B
Santa Maria, CA (Zone 9a) | June 2005 | positive

I love this plant, i currently have two red ones, one is outside and the other is inside, they both get full sun, and they just never sto...Read More

B
Weimar, TX (Zone 8b) | August 2004 | neutral

I am a beginner with this plant. Right now, I am not doing good. I have it indoors and in a north window. It does not get direct sun. ...Read More

B
Sunnyvale, CA | August 2004 | positive

I picked up a couple of dying 3 inch plants from a produce stand about two years ago and they are marvelous! My plant is now about two fe...Read More

C
West Kill, NY | July 2004 | positive

My husband has had a crown of thorns for more than the twenty years I've known him. He stakes his upright, but the ones I've seen at the ...Read More

A
Murray, KY | July 2004 | positive

I just received a small crown of thorns planting grown from a cutting from my grandparents. I live in western Kentucky. My grandparents l...Read More

M
Federalsburg, MD | July 2004 | positive

I have had my plant now for abour 4 years. My grand mother rooted it for me from her plant, and I have since rooted 3 babies from mine. ...Read More

J
Shalimar, FL (Zone 8a) | June 2004 | positive

I have 2 of these guys as houseplants. No special care. No special fertilizer ( I use a very weak liquid fert. every time I water). Sunny...Read More

H
H
Castro Valley, CA (Zone 9a) | June 2004 | positive

I planted one in Carbon Canyon Ca, 91709, My soil was very alkyline. I watered it rarely, it grew fairly fast to a hight of 4ft and as wi...Read More

D
D
| April 2004 | positive

I've several varieties of Crown of Thorns. They can be slow growing but put out a bunch of flowers. It is also one of my favorites plants...Read More

O
Buffalo, NY | March 2004 | positive

I have two of these plants that have been house plants for about 30 years. One of them even seeded a new one for me. They are now in ch...Read More

R
Banning, CA (Zone 9b) | August 2003 | positive

This plant does good here in Fontana, California. I keep it in the sun potted. I use aerated compost tea made with alfalfa, kelp, fish e...Read More

N
N
Dallas, TX (Zone 8b) | August 2003 | neutral

I have two plants both in pots in the full sun outside. I have not seen any flowers, and the leaves are losing color they are not as gre...Read More

T
Dickinson, TX | July 2003 | positive

Gorgeous wood!

K
K
| January 2003 | positive

it is also possible to grow these from root cuttings

C
C
| December 2002 | negative

This plant was sold to me with the presumption that it could handle harsh environments both the heat and cold. When we had our first col...Read More

H
| November 2002 | positive

In order to correctly cut this plant for propagation:

1. use a sharp clipper and cut about 6 inches back from the meristem...Read More

J
J
Ottawa, ON (Zone 4a) | September 2001 | neutral

This woody semi-succulent from Madagascar is not the one used during Christ's crucifixion, despite claims to the contrary. Very popular ...Read More

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