Photo by Melody

PlantFiles: Sweet Noor, Sweet Noorsdoring
Euphorbia coerulescens

Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: coerulescens (kor-oo-les-sens) (Info)

One member has or wants this plant for trade.

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Cactus and Succulents

24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

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

Parts of plant are poisonous if ingested
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Bright Yellow

Bloom Time:
Mid Spring
Late Spring/Early Summer

Grown for foliage

Other details:
Drought-tolerant; suitable for xeriscaping

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:
Unknown - Tell us

Propagation Methods:
From herbaceous stem cuttings

Seed Collecting:
Unknown - Tell us

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There are a total of 23 photos.
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4 positives
No neutrals
No negatives

Gardeners' Notes:

Positive Kell On Feb 7, 2015, Kell from Northern California, CA (Zone 9b) wrote:

Per Jan Emming owner of the Destination:Forever Ranch and Gardens, a 40 acre desert botanical garden and sustainable living homestead in the Arizona desert with a nursery:

The Succulent Karoo is a region of dense shrubby vegetation similar to chaparral or fynbos, but is significantly different in that it has a large proportion of succulent species rather than fire-prone woody species found in the other habitat types. These mountains west of Calitzdorp, South Africa are carved by the Huisrivier Canyon and the slopes are covered in succulent scrub such as these elephant's food (Portulacaria afra) punctuated by tall columns of Euphorbia coerulescens. Many smaller succulent plants were found in clearings and in the underbrush.

Positive BayAreaTropics On Nov 21, 2013, BayAreaTropics from Hayward, CA wrote:

I've had for many years in light shade. And its grown healthy...but slooow. Next year,I should just move it to more sun. But,otherwise like I said,done well,nice color. It was from a couple of cuttings given to me. One cutting did rot out in a rainy year soon after planting. This second one lasted and by now I'm sure has a rot- proof root system. Water drains because of the plants self made ecosystem. I've seen that on many plants.

Positive boomboer On Mar 15, 2011, boomboer from Cape Town
South Africa wrote:

The Sweet Noors occurs in the Eastern Cape region of South Africa and is so widespread in the area around the town of Janssenville that the vegetation is named Noorsveld after it. Stands can be very dense. Livestock farmers use the Sweet Noors as fodder by lopping off the tops of plants and shredding them to dry out a little - they are then fed to the livestock, especially in times of drought. The plants recover well - ready to be "pruned" again in a year or three. Sheep can for instance survive on the diet exclusively for 4 to 6 months without adverse effects - amazing taking into account this is a latex producing Euphorbia in the same genus as many poisonous and caustic species.

Positive palmbob On Jan 12, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Great looking Euphorbia in that South African suckering/branching/spiny/columnar class, only this one has large, gnarly spines and a pretty irregulary shape. Surprisingly most Euphorbias thrive in my clay soil, but not this one. It rots very easily. It's common name is Sweet Noor.

Have had a lot of luck with this plant in more well draining soils and turns to be a pretty fast and easy grower here in southern California.. nearly every botanical garden has a big pathch of it here or there.


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

Hayward, California
Reseda, California
San Diego, California
San Leandro, California
Spring Valley, California

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