Also known as: Antelope Bush, Quinine Brush, Blackbrush, Antelope Brush
Bitterbrush (Purshia tridentata) is a perennial shrub that usually grows wider than it is tall. It blooms from late spring to early summer with yellow or white flowers. A palatable bush for browsing livestock and big game, it also provides seed and cover for small wildlife and birds. Grows in full sun and well-drained soil.
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Perennial
Lifespan
Shrub
Plant Type
Spring, Summer
Bloom Time
2.5 cm
Flower Size
Yellow, Green, Cream
Flower Color
Deciduous
Leaf type
0 - 35 ℃
Ideal Temperature
Spring, Summer
Growth Season
Moderate
Growth Rate
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Images
Attributes
Care Guide
FAQs
Common Diseases
Images of Bitterbrush
Attributes of Bitterbrush
Growth Rate
With a moderate growth rate during Spring and Summer, bitterbrush actively synthesizes food, pushing out new leaves and expanding its height. Visible changes include bushier foliage, increased branching, and blossoming of bright-yellow flowers. Interestingly, this timely growth aids bitterbrush in surviving in harsh winter conditions.
Care Guide for Bitterbrush
Every 1-2 weeks
Water
Full sun
Sunlight
0 - 35 ℃
Ideal Temperature
Garden Soil
Soil Type
Water:
Adapted to semi-arid climates, bitterbrush thrives with deep, infrequent watering every 1-2 weeks, allowing soil to dry out between sessions. As an outdoor shrub in rocky or sandy soils, it benefits from occasional rain, encouraging strong root development.
Fertilize:
Bitterbrush benefits from a balanced fertilizer (10-10-10) during growth, changing to high nitrogen before dormancy. Fertilize biannually in spring and fall, adjusting for younger plants. Distribute at the drip line and water thoroughly, observing bitterbrush's response for future adjustments.
Pruning:
Bitterbrush thrives with strategic pruning in early spring, fostering healthier growth and shape. Thinning older branches enhances air circulation, reducing disease risk and promoting flowering. Caution is advised against heavy pruning, as bitterbrush is sensitive to aggressive cuts.
Propagation:
Bitterbrush is a native shrub of North American arid landscapes, propagated through semi-hardwood cuttings during active growth. Maintain high humidity and stable temperatures, use well-draining soil, and consider rooting hormones. Monitor cuttings until adequately rooted before transplanting.
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