Santa Cruz Island Buckwheat
Eriogonum arborescens
Also known as Santa Cruz Island Wild Buckwheat, Island Buckwheat
Climate Match for your location
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A native California shrub with small silvery-gray leaves and delicate white to pink flowers. Highly drought-tolerant and excellent for xeric gardens and coastal landscapes.
Why grow it
Santa Cruz Island Buckwheat offers reliable drought performance in coastal and xeric settings where many ornamental shrubs struggle. Compared to other native California buckwheats, this species combines a woody, shrubby habit with fine-textured foliage and extended flowering, making it useful for year-round structure in low-water gardens. It tolerates poor, sandy, or gravelly soils typical of coastal bluffs and provides nectar for native pollinators over a longer season than many alternatives.
Watch out for
This species prefers excellent drainage and can decline in heavy clay or poorly draining soils, even with reduced watering. Plants may require 2-3 years to establish a deep root system before demonstrating full drought tolerance, so supplemental water during establishment is advisable. In humid or overly fertile conditions, expect reduced vigor and increased susceptibility to root issues.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Polygonaceae
Native to the United States
Native Range
Santa Cruz Island, California
Native to: California
Seasonality
Bloom Season
Season of Interest
Shrub
Woody multi-stem plants at eye level.
Succession Role
Tolerances & Soil
Establishment & Care
- Establishment
- Maintenance
- Propagation
A native California shrub with small silvery-gray leaves and delicate white to pink flowers. Highly drought-tolerant and excellent for xeric gardens and coastal landscapes.
Climate Match for your location
See how well Santa Cruz Island Buckwheat grows in your area.
Enter your ZIP code and we'll show you how this plant fits your local climate.
Why grow it
Santa Cruz Island Buckwheat offers reliable drought performance in coastal and xeric settings where many ornamental shrubs struggle. Compared to other native California buckwheats, this species combines a woody, shrubby habit with fine-textured foliage and extended flowering, making it useful for year-round structure in low-water gardens. It tolerates poor, sandy, or gravelly soils typical of coastal bluffs and provides nectar for native pollinators over a longer season than many alternatives.
Watch out for
This species prefers excellent drainage and can decline in heavy clay or poorly draining soils, even with reduced watering. Plants may require 2-3 years to establish a deep root system before demonstrating full drought tolerance, so supplemental water during establishment is advisable. In humid or overly fertile conditions, expect reduced vigor and increased susceptibility to root issues.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Polygonaceae
Native to the United States
Native Range
Santa Cruz Island, California
Native to: California
Seasonality
Bloom Season
Season of Interest
Shrub
Woody multi-stem plants at eye level.
Succession Role
Tolerances & Soil
Establishment & Care
- Establishment
- Maintenance
- Propagation
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