General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Dry Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
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: Glaucous
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: Yellow
Bloom Size: Under 1"
Flower Time: Late winter or early spring
Underground structures: Taproot
Suitable Locations: Xeriscapic
Alpine Gardening
Uses: Erosion control
Will Naturalize
Dynamic Accumulator: B (Boron)
Wildlife Attractant: Birds
Resistances: Deer Resistant
Tolerates dry shade
Drought tolerant
Toxicity: Leaves are poisonous
Roots are poisonous
Fruit is poisonous
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.
Propagation: Other methods: Division
Containers: Needs excellent drainage in pots
Miscellaneous: Tolerates poor soil
Awards and Recognitions: RHS AGM

Common names
  • Donkey Tail
  • Myrtle Spurge
  • Creeping Spurge
  • Spurge
  • Euphorbia
Botanical names
  • Accepted: Euphorbia myrsinites
  • Synonym: Tithymalus myrsinites

This plant is tagged in:
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  • Posted by DaylilySLP (Dearborn Hts, MI - Zone 6b) on Apr 30, 2019 5:22 PM concerning plant:
    Had this plant, it was Beautiful. I was aware the sap could cause irritation.
    BUT...yikes! I got some of the milky sap on my glove (which in turn got on me) while thinning it out and I'm not kidding, the reaction was worse than Poison Ivy.
    It is gone now. Took a year or 2 to completely eradicate the monster!
    I wouldn't advise having this around if you have kids, if they get the sap on their hands, rub their eyes or get it in their mouth, plan on a trip to the ER.
  • Posted by growitall (Calgary, Alberta, Canada) on Dec 2, 2012 1:57 PM concerning plant:
    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.
    Has naturalized and is an invasive weed in many states and one province.
Discussion Threads about this plant
Thread Title Last Reply Replies
Euphorbia myrsinites by valleylynn Feb 12, 2019 1:05 AM 2

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