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Wild Poinsettia, Japanese Poinsettia, Summer Poinsettia, Hypocrite Poinsettia
Euphorbia heterophylla

Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: heterophylla (het-er-oh-FIL-uh) (Info)

Category:

Annuals

Tropicals and Tender Perennials

Height:

24-36 in. (60-90 cm)

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:

Sun to Partial Shade

Danger:

All parts of plant are poisonous if ingested

Bloom Color:

Red

Bloom Time:

Mid Summer

Foliage:

Grown for foliage

Other details:

May be a noxious weed or invasive

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 seed; direct sow after last frost

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Regional

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

Glendale, Arizona

Phoenix, Arizona

Scottsdale, Arizona

Tucson, Arizona

Manhattan Beach, California

Palm Springs, California

Altamonte Springs, Florida

Clearwater, Florida

Daytona Beach, Florida

Fort Lauderdale, Florida

Hollywood, Florida

Jacksonville, Florida

Lutz, Florida

Ocoee, Florida

Ruskin, Florida

Sarasota, Florida (2 reports)

Sebring, Florida

Rome, Georgia

Snellville, Georgia

Wichita, Kansas

Ekron, Kentucky

Baton Rouge, Louisiana

Bossier City, Louisiana (2 reports)

Mathiston, Mississippi

Urich, Missouri

Greenville, North Carolina

Kernersville, North Carolina

Kure Beach, North Carolina

Mooresville, North Carolina

Oklahoma City, Oklahoma

Welling, Oklahoma

Murfreesboro, Tennessee

Nashville, Tennessee

Tellico Plains, Tennessee

Austin, Texas

Baytown, Texas

Conroe, Texas

Corpus Christi, Texas

Dallas, Texas

Deer Park, Texas

Harlingen, Texas (2 reports)

Mission, Texas

San Antonio, Texas

Tomball, Texas

Tyler, Texas

show all

Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Neutral

On Feb 3, 2007, htop from San Antonio, TX (Zone 8b) wrote:

The fruit is a capsule.

Positive

On Sep 25, 2005, artcons from Fort Lauderdale, FL (Zone 10b) wrote:

This plant has been in my yard for years. It was more common before I began cultivating my yard. It still shows up now and then between cultivated plants and bushes, but I would not consider it seriously invasive.
I always considered it a weed until recently when our small garden club (S Fla Galloping Gardeners) toured a local nursery. One of the members commented on this plant growing wild off to the side of the display tables. I mentioned I had them growing wild in my yard too. I gave her a plant I dug up for her and we have been talking about it ever since.
We recently discovered it's name and I posted a picture of it here.
The plant is a good source of nectar for attracting butterflies, especially in the "off" season when there is not much else blooming in zo... read more