A perennial that grows best in full sun, well drained sites. Good rock garden or wall plant.
Plant Type
All Plants, Perennials Hardy
Hardiness Zone
3-7
Sunlight
full sun
Moisture
average
Soil & Site
well drained sandy soils
Temperature
Does better in the cooler regions of the north. Tends to melt out in hot, humid summers.
Flowers
The shimmering 1/4", four petaled flowers are produced in compact clusters called corymbose panicles. They are bright yellow to lemon yellow. Blooming in late April through mid to late May.
Leaves
The foliage is gray green and rambling.
Dimensions
The plant reaches 6-15" depending on the variety. Space 12-16" on center.
Maintenance
Needs to be cut back after blooming.
Propagation
seeds or cuttings, division in the spring
Native Site
Native to Mediterranean Europe to Turkey.
Author's Notes
I remember using this plant in a rock garden and the client mildly complained to me that I was using a weed in the garden. Little did I realize that the bright yellow flowers are very similar to Wild Mustard and Yellow Rocket, common weeds of Southeastern Wisconsin (USA).
Notes & Reference
#30-Gardening with Perennials Month by Month (Joseph Hudak),
#40-Herbaceous Ornamental Plants (Steven Stills)