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PlantFiles: African Milk Tree
Euphorbia trigona

 
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Family: Euphorbiaceae (yoo-for-bee-AY-see-ay) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: trigona (try-GOH-nuh) (Info)

5 members have or want this plant for trade.

Category:
Cactus and Succulents

Height:
6-8 ft. (1.8-2.4 m)

Spacing:
24-36 in. (60-90 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)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Danger:
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
White/Near White

Bloom Time:
Unknown - Tell us

Foliage:
Bronze-Green

Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

Propagation Methods:
From herbaceous stem cuttings

Seed Collecting:
Unknown - Tell us

By Thaumaturgist
Thumbnail #1 of Euphorbia trigona by Thaumaturgist

By Thaumaturgist
Thumbnail #2 of Euphorbia trigona by Thaumaturgist

By RiksGreens
Thumbnail #3 of Euphorbia trigona by RiksGreens

By palmbob
Thumbnail #4 of Euphorbia trigona by palmbob

By treadwella
Thumbnail #5 of Euphorbia trigona by treadwella

By RWhiz
Thumbnail #6 of Euphorbia trigona by RWhiz

By z3492
Thumbnail #7 of Euphorbia trigona by z3492

There are a total of 14 photos.
Click here to view them all!

Profile:

4 positives
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive BayAreaTropics On Feb 22, 2007, BayAreaTropics from Hayward, CA wrote:

E.trigona is NOT hardy to 15F. Temps even two or three degrees below freezing will kill it. Still,the red they show in a normal cool bay area winter is striking. Fast growing small Euphorbia and easy care. Protect from slugs and freezing temps...15F ?? who wrote that?

Positive cactuskat On Jan 31, 2007, cactuskat from Joseph, UT
(Zone 10a) wrote:

I have had my plant for about 15yrs & just found out the name of it, Thanks to Dave`s Garden.My Plant is really small for it`s age.I would like to learn more about the care of this plant,such as the best kind of soil and the size of container it should be in.I have it in potting soil and a medium size pot,but I think it is time to transplant it.
Any advice any one could give me would be Great.
Thanks cactuskat

Neutral smiln32 On Nov 30, 2004, smiln32 from Oklahoma City, OK
(Zone 7a) wrote:

Upright branching habit to 1.8 meters. Can be pruned. Used for fences in tropical countries. Makes a great container plant.

Positive Happenstance On Nov 12, 2003, Happenstance from
(Zone 10a) wrote:

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

Positive Monocromatico On Jul 11, 2003, Monocromatico from Rio de Janeiro
(Brazil)
(Zone 11) wrote:

Itīs not a Cactus (from the Cactaceae family). However, ecologically, it occupies the same ecossystems as cacti, since there are no cacti in Africa.

I have a purple variety of this plant. Itīs a though one. You donīt need to water it at all, just let the rain do its job. As for sun exposition, donīt worry too much about it either, my plant recieves 4 hours of sunlight per day, and Iīve seen larger plants under full sun. You better look for aphids that may infest this species sometimes.

The flowers are insignificant, according to foreign descriptions, since there are no registries about it blooming here in Brazil, although itīs very well adapted to the climate.

The cactus-like brances (with tiny spines and small leaves on the tip) start from the sides and get erect, growing upwards, up to 2,5m , giving the plant a very interesting look. It has a milky sap that may be poisonous and cause skin irritation.

It can be propagated from stem cuttings, like most colunar cacti. I got mine from a cut stem 7 years ago, and it looks beautiful.

Neutral Thaumaturgist On Jul 11, 2003, Thaumaturgist from Rockledge, FL
(Zone 10a) wrote:

A cactus from tropical western Africa, commonly known as the African Milk Tree. Mine was store-bought at 6" tall; one year later, it is 3 ft tall and 2 ft wide.

Strictly adhering to zero/low maintenance policy, it is left in the outdoors - no pampering at all.

Regional...

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

,
Phoenix, Arizona
Castro Valley, California
Clayton, California
Encino, California
Hayward, California
Pleasant Hill, California
San Diego, California
Thousand Oaks, California
Melbourne Beach, Florida
Rockledge, Florida
Tallahassee, Florida
West Palm Beach, Florida
Forsyth, Georgia
Germantown, Tennessee
Corpus Christi, Texas
Houston, Texas
Bellevue, Washington



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