Crotalaria sessiliflora
Crotalaria sessiliflora, known as Rattlebox, is an annual ornamental plant that prefers full sun and medium water. It can grow between 0.6–1.2 meters tall and is suitable for USDA zones 5–8. This plant thrives in loamy, sandy, or clay soils. It blooms in shades of purple and blue during July, August, and September.
Light
Full sun
Watering
Medium water
Soil
Loamy, Sandy, Clay
Height
0.6–1.2 m
Spread
0.3–0.6 m
Zones
5–8
Flower colors