General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 24 to 36 inches (61-91cm)
Plant Spread: 24 to 36 inches (61-91cm)
Leaves: Good fall color
Unusual foliage color
Flowers: 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: Other: Chartreuse yellow
Suitable Locations: Bog gardening
Dynamic Accumulator: B (Boron)
Resistances: Deer Resistant
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.

Image
Common names
  • Swamp Spurge
  • Euphorbia
Botanical names
  • Accepted: Euphorbia palustris
  • Synonym: Euphorbia brachiata

Photo Gallery
Location: My Garden
Date: April, 2008
Location: Poznań Botanical Garden of the University of Adama Mickiewicza, Poland
Date: 2022-05-10
Location: My Garden
Date: April, 2008
Location: My Garden
Date: April, 2008
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2018-10-10
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2019-05-04
Location: Botanical Garden Dresden
Date: 2017-02-27
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2019-04-19
Location: Poznań Botanical Garden of the University of Adama Mickiewicza, Poland
Date: 2022-05-10
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2019-05-04
Location: my brother's garden, Vichte, Belgium
Date: 2012-05-22

Photo Courtesy of Busse Gardens. Used with permission.
  • Uploaded by Joy
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2019-04-19

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