California blackberry (Rubus ursinus) is an edible berry indigenous to North America. Its genus name of “Rubus” means “bramble,” and the specific epithet “Ursinus” means “bear.” Larvae of the western tiger swallowtail butterfly love to munch on it. Native Americans ate it and also used it medicinally. If you have a creek bank that needs stabilizing, this plant will do it.
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Shrub
Plant Type
Mid spring, Late spring, Early summer
Bloom Time
Summer
Harvest Time
61 cm to 1.5 m
Plant Height
4.5 m
Spread
Green
Leaf Color
2.5 cm
Flower Size
Red, Black, Purple
Fruit Color
White
Flower Color
Red
Stem Color
Winter dormancy
Dormancy
Deciduous
Leaf type
10 - 38 ℃
Ideal Temperature
On This Page
Images
Attributes
Distribution
Culture
Care Guide
FAQs
Common Diseases
Images of California blackberry
Attributes of California blackberry
Growth Rate
With a rapid growth rate, california blackberry notably flourishes in spring and summer, producing dense foliar extravaganzas. Rapid growth encourages robust vine elongation, verdant leaf production and early, bountiful flowering. However, autumn and winter see a slowdown, allowing for energy rerouting to root development and dormancy preparations.
Distribution of California blackberry
Distribution Map
California blackberry is native to North America. It was introduced to Australia. In its native habitat, it grows in wastelands, canyons, and fields. You can also expect to find it in open woodland.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Waste places, fields, canyons
Hemisphere Trend Curve
Northern
Sorthern
Culture
Garden Use
California blackberry is a very common plant that is used as a very effective hedge due to its dense, climbing and thorny growth. California blackberry is prized for its delightful berries and is very suitable in wildlife and natural landscaping gardens. Best to plant near trees such as pines, firs, oaks, and willows to keep it away from foot traffic.
Symbolism
Healing, Money, Protection.
Name Story
California blackberry: Like most Rubus plants, it also produces blackberries, which are extremely delicious. Since one of its origins is in California, it is called California blackberry.
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Care Guide for California blackberry
Every 1-2 weeks
Water
Full sun
Sunlight
10 - 38 ℃
Ideal Temperature
Garden Soil
Soil Type
Water:
Originating from variable moisture regions, california blackberry is moderately drought-tolerant. It prefers consistent soil moisture, requiring watering every 1-2 weeks. Thriving in temperate climates, california blackberry needs careful hydration during its active growth season to enhance its lush, fruit-bearing potential.
Fertilize:
For optimal growth, california blackberry requires balanced fertilizers (e.g., 10-10-10) in spring and high nitrogen before flowering, applied every 4-6 weeks. Water before fertilizing to avoid root burn, and consider slow-release formulas for consistent nutrients. Adjust frequency post-harvest for best results.
Pruning:
Pruning california blackberry in early spring is vital for healthy growth. Remove dead canes and those that fruited last year to encourage new shoots. Regular thinning boosts air circulation, lowers disease risk, and can increase fruit production, aligning with california blackberry's growth cycle for optimal results.
Propagation:
To propagate california blackberry via cuttings, select a healthy stem segment with several leaf nodes. Use rooting hormone on the cut end, then plant in well-draining soil. Ensure consistent moisture and humidity to encourage root growth, avoiding waterlogging for optimal establishment.
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