Onosma urumensis
Onosma urumensis, known as Urumen onosma, is a perennial ornamental plant that requires full sun and medium water. It is suitable for USDA zones 5-8, growing to a height of 0.3-0.6 meters. This plant blooms from May to July with yellow flowers and prefers sandy, loamy, or chalky soil. It is not fragrant, but it attracts pollinators and is not toxic or evergreen.
Light
Full sun
Watering
Medium water
Soil
Loamy, Sandy, Chalky
Height
0.3–0.6 m
Spread
0.2–0.4 m
Zones
5–8
Flower colors