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Wood Spurge, Robb's Euphorbia
Euphorbia amygdaloides var. robbiae

Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: amygdaloides var. robbiae

Category:

Perennials

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

Suitable for growing in containers

Height:

18-24 in. (45-60 cm)

Spacing:

9-12 in. (22-30 cm)

Hardiness:

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:

Sun to Partial Shade

Danger:

All parts of plant are poisonous if ingested

Bloom Color:

Pale Yellow

Chartreuse (Yellow-Green)

Bloom Time:

Late Spring/Early Summer

Foliage:

Grown for foliage

Other details:

Unknown - Tell us

Soil pH requirements:

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information:

Non-patented

Propagation Methods:

By dividing the rootball

Seed Collecting:

Unknown - Tell us

Regional

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

Wykagyl, New York

Asheville, North Carolina

Elizabeth City, North Carolina

Huntersville, North Carolina

Pittsboro, North Carolina

Taylorsville, North Carolina

Portland, Oregon

Norristown, Pennsylvania

Wilkes Barre, Pennsylvania

Hood, Virginia

Leesburg, Virginia

Fox Island, Washington

Seattle, Washington

show all

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Nov 5, 2009, lehua_mc from Portland, OR (Zone 8b) wrote:

Yes, the sap is an irritant. I still give this Euphorbia a positive since it is doing what I wanted, which is colonize dry, part shade under a cedar tree. It gets a gradient of hot southern sun in summer, but it's within the drip line of the tree. In one growing season since being planted from the nursery they have "rounded out" nicely, and sent out a few small plant-lets in the immediate area. Any divisions will be a surgical procedure however, no casual wiping at the face allowed.