Erect branched stems, heads of bright yellowy-green flowers, similar to palustris but with warmer yellow tones, May to July. Sun. 1m tall. Can be a skin irritant.
Spring
Summer
Autumn
Winter
Evergreen
Acid
Neutral
Alkaline
Full Light
Dappled Light
Partial Shade
Part Day Shade
Full Shade
Plant awarded RHS AGM