General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Dry
Plant Height: 1 to 3'
Plant Spread: 1 to 2'
Leaves: Unusual foliage color
Flowers: Showy
Other: In the genus Euphorbia, the flowers are reduced in size and aggregated into a cluster of flowers called a cyathium (plural cyathia). This feature is present in every species of the genus Euphorbia but nowhere else in the plant kingdom.
Flower Color: White
Uses: Suitable as Annual
Dynamic Accumulator: B (Boron)
Resistances: Deer Resistant
Toxicity: Other: Milky sap can be a skin and eye irritant and is toxic if ingested.
Propagation: Seeds: Depth to plant seed: cover lightly
Pollinators: Various insects

Image
Common names
  • Euphorbia
  • Snow on the Mountain

Photo Gallery
Location: My garden in N E Pa. 
Date: 2022-07-02
Location: Chicago
Date: 2020-07-24
Location: NE Washington
Date: September 2011
Location: Chicago
Date: 2020-07-24
Location: My garden in N E Pa. 
Date: 2015-07-06
Beginning to bloom.
Location: NE Washington
Date: September 2011
Euphorbia marginata, container grown.  These were volunteers from
Location: NE Washington
Date: September 2011
This plant is tagged in:
Image

Comments:
  • Posted by woofie (NE WA - Zone 5a) on Aug 27, 2014 3:11 PM concerning plant:
    I first planted these, from seed, in 2009, and I had a little trouble getting them to grow. The following year I had volunteers in many of the nearby containers. It's now 2014 and I am finding them growing hundreds of feet away from the original planting site, without having tried to grow them since the original 2009 planting. I didn't notice them anywhere for the past couple of years, so it would seem that the seeds will stay viable, at least for a while. This year's volunteers are growing in recently cultivated areas.

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