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PlantSnap
Plant Care
Bicknell's frostweed
(Crocanthemum bicknellii)
Also Known As
Bicknell's frostweed, Bicknell's goldenweed, Bicknell's rockrose
About This Plant
Crocanthemum bicknellii is a small, perennial plant species with yellow flowers that bloom in late spring to early summer. The leaves are small, narrow, and gray-green in color. It is commonly found in dry, rocky areas and open forests.
Plant Care Instructions
Outdoor Size Range
6-12 inches (15-30 cm)
Light Requirements
Bicknell's rockrose prefers full sun, but can tolerate partial shade.
Humidity Needs
Bicknell's rockrose prefers low humidity environments.
Fertilizing Schedule
Fertilizer is not necessary for this plant species, but a light application of a balanced fertilizer in the spring can help promote growth.
Pruning Guidelines
This plant species does not require pruning, but deadheading spent flowers can encourage more blooms.
Common Pests and Diseases
Bicknell's rockrose is generally pest-free, but can be susceptible to root rot in poorly-draining soil.
Indoor Size Range
N/A
Watering Schedule
This plant species is drought-tolerant and prefers well-draining soil. It should be watered deeply but infrequently.
Temperature Range
This plant species can tolerate a wide range of temperatures, but prefers warmer temperatures.
Growing Season
Late spring to early summer
Growing Difficulty Level
Bicknell's rockrose is relatively easy to grow and care for.
USDA Hardiness Zones
4-8
Did You Know?
Bicknell's rockrose is named after Eugene P. Bicknell, an American botanist who specialized in the study of the flora of the northeastern United States.
