Photo by Melody

PlantFiles: Euphorbia
Euphorbia knuthii

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Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: knuthii

Synonym:Euphorbia knuthii subsp. knuthii

5 members have or want this plant for trade.

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Category:
Cactus and Succulents

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

Spacing:
15-18 in. (38-45 cm)

Hardiness:
Unknown - Tell us

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
All parts of plant are poisonous if ingested
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Pale Green

Bloom Time:
Late Summer/Early Fall
N/A

Foliage:
Silver/Gray
Blue-Green
Smooth-Textured
Succulent

Other details:
Drought-tolerant; suitable for xeriscaping
Suitable for growing in containers

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 herbaceous stem cuttings

Seed Collecting:
Unknown - Tell us

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By cactus_lover
Thumbnail #1 of Euphorbia knuthii by cactus_lover

By cactus_lover
Thumbnail #2 of Euphorbia knuthii by cactus_lover

By franj
Thumbnail #3 of Euphorbia knuthii by franj

By franj
Thumbnail #4 of Euphorbia knuthii by franj

By franj
Thumbnail #5 of Euphorbia knuthii by franj

By franj
Thumbnail #6 of Euphorbia knuthii by franj

By palmbob
Thumbnail #7 of Euphorbia knuthii by palmbob

There are a total of 12 photos.
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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive franj On Aug 7, 2007, franj from Tucson, AZ wrote:

I have had this plant for years. It's made of steel. Only recently I discovered that they have a gnarly tuberous root that can be raised for effect. I've left it hanging in a tree over winter and had most of the top growth die. In spring it just comes back.

Grown in strong light the patterning can become stronger and even turn reddish. Unlike some Caudiciform plants, stem cuttings will also produce the tuberous root. Makes a good hanging plant as the stems can become 18 inches long or more and trail down out of the pot.

Regional...

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

Grenoble,
Gurley, Alabama
Mesa, Arizona
Tucson, Arizona
La Presa, California
Los Angeles, California
Reseda, California



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