Euphorbia Species

Euphorbia neohumbertii

Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: neohumbertii (nee-oh-hum-BER-tee-eye) (Info)

Category:

Cactus and Succulents

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Sun Exposure:

Sun to Partial Shade

Foliage:

Deciduous

Foliage Color:

Unknown - Tell us

Height:

24-36 in. (60-90 cm)

Spacing:

15-18 in. (38-45 cm)

18-24 in. (45-60 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)

Where to Grow:

Unknown - Tell us

Danger:

All parts of plant are poisonous if ingested

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Red-Orange

Bloom Characteristics:

Unknown - Tell us

Bloom Size:

Unknown - Tell us

Bloom Time:

N/A

Other details:

Unknown - Tell us

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:

Unknown - Tell us

Seed Collecting:

Unknown - Tell us

Regional

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

Thousand Oaks, California

Vista, California(9 reports)

Clearwater, Florida

Gardeners' Notes:

2
positives
0
neutrals
0
negatives
RatingContent
Positive

On Nov 12, 2007, dirtyhandsfl from Clearwater, FL (Zone 10a) wrote:

I think this is the one in my yard. Self sows, hasn't bloomed yet, so don't know the color. So many look alike it is hard to tell. Drought tolerant and semi shade. (maybe why it never bloomed) No insect damage to speak of. A hardy plant, didn't find it to be decidious though. 2 years old.

Positive

On Jun 18, 2004, palmbob from Acton, CA (Zone 8b) wrote:

When I got this exotic plant from Madagascar everyone said it was a greenhouse plant- will rot to the ground the second winter comes... well, I don't have a greenhouse that would be OK for succulents, so I just planted it as an 'annual' and waited.. 5 years later it's still doing OK. I think zone 9b is pretty marginal, but I bet zone 10a would be great for it. Took many minor frosts with minimal damage (haven't had a severe frost since planting, though). Flowers every year these hot red-orange flowers and large leaves come out in summer- shade cloth would probably be better for it as the leaves always look stressed in hot sun. Is a square-sided collumnar plant with bristly safe spines up the sides topped with huge, lancelote dark green leaves in summer. Saw these for sale all over Tha... read more

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