General Plant Information (Edit)
Plant Habit: Herb/Forb
Cactus/Succulent
Sun Requirements: Full Sun
Water Preferences: Dry Mesic
Dry
Soil pH Preferences: Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Moderately alkaline (7.9 – 8.4)
Minimum cold hardiness: Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F)
Plant Height: 2 to 4 inches
Plant Spread: 15 to 30 inches
Leaves: Evergreen
Other: The plant consists of thornless stems that look like cactus.
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
Flower Time: Spring
Late spring or early summer
Summer
Suitable Locations: Xeriscapic
Uses: Provides winter interest
Dynamic Accumulator: B (Boron)
Resistances: Birds
Deer Resistant
Gophers/Voles
Rabbit Resistant
Squirrels
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: Other methods: Cuttings: Stem
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots

Image
Common names
  • Euphorbia
  • Lion's Spoor
Botanical names
  • Accepted: Euphorbia clavarioides
  • Synonym: Euphorbia clavarioides var. truncata

Photo Gallery
Location: Royal Botanic Gardens, Kew
Location: Pacific Northwest, zone 8
Date: 2015-09-20
Location: Pacific Northwest, zone 8
Date: 2015-05-02

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