Stiff cowbane (Oxypolis rigidior) is an herbaceous perennial that can grow from 61 to 183 cm tall. It blooms from summer to fall with small white flowers that bloom in parasol-shaped clusters. It produces a winged fruit in fall. Thrives in full sun to partial shade and prefers moist soil. This plant is poisonous.
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Perennial
Lifespan
Herb
Plant Type
Summer, Fall
Bloom Time
Semi-evergreen
Leaf type
On This Page
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Care Guide
Images of Stiff cowbane
Care Guide for Stiff cowbane
Every week
Water
Partial sun
Sunlight
Water:
Stiff cowbane thrives in moist habitats, requiring weekly watering to maintain its balance between drought resistance and hydration. Typically cultivated outdoors as an herbaceous perennial, stiff cowbane flourishes when soil is kept moist yet well-drained, aligning with its natural growth cycles.
Fertilize:
For stiff cowbane, use a balanced fertilizer every 4-6 weeks during growth, applying a diluted solution to avoid harm. Winter fertilization is unnecessary as growth slows. Water stiff cowbane before fertilizing to prevent root burn and adjust the regimen based on stiff cowbane's response.
Pruning:
Stiff cowbane benefits from early to late spring pruning to promote healthy growth and shape. Remove dead or damaged stems for better air circulation and disease prevention. Regular monitoring and cutting back overgrown stems can enhance blooming and maintain structural integrity.
Propagation:
Stiff cowbane is propagated mainly by sowing fresh seeds in a well-draining substrate for better germination. Consistent moisture, avoiding waterlogging, is essential for seedlings, along with ample bright, indirect sunlight to promote healthy growth.
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