Rock Spiraea
Holodiscus dumosus
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Pl. 078B — Holodiscus dumosus
Holodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosusHolodiscus dumosus
IOverview
Overview
Rock Spiraea, scientifically known as Holodiscus dumosus, is a shrub native to the western United States and Mexico, found in habitats ranging from Arizona to Wyoming. This plant thrives in full to partial sun with well-draining soil that can be light (sandy), medium, or heavy (clay). It prefers dry to moist conditions and grows up to 4.5 meters tall. Rock Spiraea is known for its edible fruit, making it a valuable resource for both wildlife and humans. One distinctive feature of this plant is its ability to grow in various soil pH levels between 7 and 8, contributing to its adaptability across different environments.
Quick answers
What is Rock Spiraea?
Rock Spiraea, scientifically known as Holodiscus dumosus, is a shrub native to the western United States and Mexico, found in habitats ranging from Arizona to Wyoming. This plant thrives in full to partial sun with well-draining soil that can be light (sandy), medium, or heavy (clay).
Growingconditions · propagation · uses
VCultivation
Cultivation
Rock Spiraea thrives in full to partial sun and prefers well-drained soils that are light (sandy), medium, or heavy (clay). It is hardy in zones 4-8 and can grow up to 4.5 meters tall. This shrub requires moist soil but will also tolerate drier conditions. Propagate through cuttings or division. The fruit of Rock Spiraea is edible.
Light
Full sun, Partial sun/shade
Water
Dry, Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
4-8
Habit
Shrub
Mature size
4.5 m tall
Soil pH
7–8
For first-time growers
How to grow Rock Spiraea for the first time
8steps
Start with a simple planting of Rock Spiraea to experience growing shrubs.
- 1
What you'll need
Rock Spiraea plants or seeds, garden soil, container if needed.
- 2
Best time to plant
Plant in spring or fall when temperatures are cooler.
- 3
Soil and container prep
Use well-draining soil with a pH of 7-8. Ensure containers have drainage holes.
- 4
Sowing or transplanting
Transplant young plants or sow seeds directly in the ground after danger of frost passes.
- 5
First two weeks
Water regularly to keep soil moist but not waterlogged. Monitor for pests and diseases.
- 6
Ongoing care
Provide full sun to partial shade, water when dry, and prune lightly in spring.
- 7
Harvest or pruning
Prune after flowering to maintain shape and encourage new growth.
- 8
Common mistakes
Overwatering, planting in heavy soil, neglecting winter protection in colder zones.
VIEdible & utility
Edible & utility
Edible parts:Fruit
Edible uses: Tea
Contextrange · companions · related
VIIDistribution
17 native · 1 introduced
Distribution
17 native · 1 introducedDistribution across1 continent· 17 native· 1 introduced
Europe1 region
introduced (1)United Kingdom
Broader regions
native:Arizona, British Columbia, California, Colorado, Idaho, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southwest, Montana, Nevada, New Mexico, Oregon, Texas, Utah, Washington, Wyoming
IXSpecimen gallery
1 image
Specimen gallery
1 imageXI
Explore further
Companion planting
Growing zone
XII
About this entry
- Last updated
- Citation
- How to cite this entry · Submit a correction
Back to the cataloguePlant id · 078bee2f-2d44-447e-a181-efd7d3c73a73
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