River Hawthorn
Crataegus rivularis
Educational content — not medical, botanical, or professional advice. Always consult a qualified clinician before using any herbal preparation — especially during pregnancy, breastfeeding, while on medication, or for children. How we source & review →
Pl. EA42 — Crataegus rivularis
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IOverview
Overview
River Hawthorn (Crataegus rivularis) is a deciduous shrub or small tree native to the Pacific Northwest and northern regions of North America, including Alaska, Alberta, British Columbia, California, Idaho, Michigan, Minnesota, Montana, Ontario, Oregon, Saskatchewan, Washington, and Wisconsin. It thrives in moist to wet environments with light to partial sun exposure, making it adaptable to various soil types such as sandy, medium, and clay. Known for its edible fruit, River Hawthorn is a valuable resource for both wildlife and humans. One distinctive feature of this plant is its ability to grow in a range of climates from hardiness zones 4-8, while another notable characteristic is its attractive white or pinkish flowers that precede the fruiting period.
Quick answers
What is River Hawthorn?
River Hawthorn (Crataegus rivularis) is a deciduous shrub or small tree native to the Pacific Northwest and northern regions of North America, including Alaska, Alberta, British Columbia, California, Idaho, Michigan, Minnesota, Montana, Ontario, Oregon, Saskatchewan, Washington, and Wisconsin.
What is River Hawthorn used for?
Traditionally used for immune support. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 1 evidence-ranked use of River Hawthorn
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
1 claim · 0 sources
Benefits & evidence
1 claim · 0 sources- Traditional-use note: River Hawthorn appears in herbal sources around seasonal wellness traditions, often as a traditional preparation. PlantSage presents this as ethnobotanical context, not as medical advice.
Traditional context only. This reviewed claim keeps the original low confidence level, but avoids treatment, disease, dosage, or guaranteed-effect language.
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
River Hawthorn support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
River Hawthorn thrives in full to partial sun and prefers moist to wet soil that is light (sandy), medium, or heavy (clay). It grows well in hardiness zones 4-8, making it suitable for temperate regions like those found in Alaska, Alberta, British Columbia, California, Idaho, Michigan, Minnesota, Montana. Propagate via seeds or cuttings. The fruit can be harvested for edible use.
Light
Full sun, Partial sun/shade
Water
Moist, Wet
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
4-8
Habit
Tree, Shrub
Mature size
4.0 m tall
For first-time growers
How to grow River Hawthorn for the first time
8steps
Start with planting River Hawthorn in a beginner-friendly environment.
- 1
What you'll need
River Hawthorn saplings, garden gloves, spade or shovel.
- 2
Best time to plant
Plant in early spring or late fall when the ground is not frozen.
- 3
Soil and container prep
Choose a location with moist, well-draining soil; amend heavy clay soils with sand if necessary.
- 4
Sowing or transplanting
Transplant saplings from containers into your garden bed, ensuring the root ball is covered with soil.
- 5
First two weeks
Water regularly to keep the soil moist; avoid overwatering which can lead to root rot.
- 6
Ongoing care
Provide light to partial shade and water when the top inch of soil feels dry. Prune lightly in late winter or early spring.
- 7
Harvest or pruning
Prune in late winter to maintain shape; fruit can be harvested after ripening, usually in fall.
- 8
Common mistakes
Overwatering, planting in too heavy soil, neglecting regular pruning, and not providing enough light.
VIEdible & utility
Edible & utility
Edible parts:Fruit
Edible uses: The River Hawthorn's fruit is edible and can be eaten raw or used in various preparations. The fruit is typically consumed fresh but can also be dried for later use. Skip
Other uses:Fragrance
Contextrange · companions · related
VIIDistribution
19 native · 1 introduced
Distribution
19 native · 1 introducedDistribution across2 continents· 19 native· 1 introduced
Europe1 region
introduced (1)Finland
Americas1 region
native (1)United States
Broader regions
native:Wyoming, Alberta, British Columbia, California, Michigan, Minnesota, Montana, Ontario, Oregon, Saskatchewan, Washington, Wisconsin, Idaho, Arizona, Colorado, Nevada, New Mexico, Utah
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family, common use cases, and growing requirements.
shared use cases
Different families, similar therapeutic role — good for comparing.
XI
Explore further
Companion planting
Compare with similar plants
Growing zone
XII
About this entry
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- Citation
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