Marin Master Gardeners
University of California
Marin Master Gardeners

Plant Guide

Euphorbia characias wulfenii

Common Name
Spurge
CA Native
Non-native
Plant Type
Succulent
Size
3' - 5' High 3' - 4' Wide
Flower Color
Yellow
Bloom Time
  • Summer
Leaves
Blue-green
Evergreen
Evergreen
Deer Resistant
Rarely Damaged
Wildlife Value
  • Butterfly & Other Insect Nectar
Growth Rate
Fast
Hardiness
Hardy
Adverse Growth Factors
Invasive
Special Features
  • Low Maintenance
  • Specimen
Water Use
  • Drought Tolerant
Soil pH
6.5-7.5 (neutral)
Exposure
  • Full Sun
  • Partial Shade
  • Shade
Soil Type
Rocky
Drainage
Good Drainage
Description and Cultural Plant Tips

Self-sows freely.  Stalks may be cut back to the ground when the blooms fade.

 

Master Gardener Comments

 This large blue-green plant with chartreuse flower bracts is quite showy.  It can be used as a specimen or a hedge plant.  Can be invasive if not pruned after blooming.  Take care when pruning as the white sticky sap (as with all euphorbias) can irritate the skin. Is poisious if ingested. (related to ponsettias)

 

Varietals

‘Tasmanian Tiger’ is a little smaller (2’ X 3’) and has variegated foliage. 

‘Lambrook gold’ has a purer yellow flower.

 

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