|Sun Requirements:||Full Sun
|Minimum cold hardiness:||Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
|Plant Height:||6 to 12 inches|
|Plant Spread:||6 to 12 inches|
|Leaves:||Unusual foliage color
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.
|Bloom Size:||Under 1"
|Flower Time:||Late winter and early spring
|Dynamic Accumulator:||B (Boron)
|Toxicity:||Other: All members of the genus Euphorbia produce a milky sap called latex that is toxic and can range from a mild irritant to very poisonous.
|Propagation: Seeds:||Other info: Is considered to be an invasive plant in certain jurisdictions. Vigorous self-seeder.
|Posted by growitall (Calgary, Alberta, Canada) on Dec 2, 2012 1:57 PM
Seeds are ejected explosively and so can come up some distance from parent plant. Hardy in Calgary, AB (zone 3); depending on position, may be root hardy to completely hardy and evergreen; wintered-over stems die back after flowering and are replaced by new growth.
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