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Washington Hawthorn
Crataegus phaenopyrum
treeWashington Hawthorn is a small, ornamental deciduous tree native to the southeastern United States, prized for its dense, thorny branches and abundant clusters of small white flowers followed by bright red berries. The tree offers multi-season interest with fragrant spring blooms, glossy dark green foliage that turns reddish-purple in fall, and persistent red fruit that lasts into winter. It grows slowly to moderate rate, reaching 25-30 feet tall with a 20-25 foot spread.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 4-8, with best performance in zones 5-7
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Growth Stages
Establishment
1-2 yearsYoung tree with developing root system; modest growth above ground in first year
Water consistently, apply 2-3 inches of mulch around base (keep away from trunk), stake if necessary in windy locations, avoid pruning except to remove damaged branches
Young Tree Development
2-4 yearsIncreased branch development, gradual height and width increase, foliage fills out
Continue regular watering during dry spells, maintain mulch layer, prune only to shape and remove crossing branches, monitor for pests
Flowering
2-3 weeks in springDense clusters of fragrant small white flowers with 5 petals appear along branches in spring (April-May)
Do not prune during flowering; deadheading is optional but not necessary, bees and pollinators will visit
Fruiting
Summer through early winter (6+ months)Small red pomes (berry-like fruits) develop after flowering and ripen to bright red by late summer, persisting into winter
Do not thin fruit; birds and wildlife will disperse seeds naturally, no special care needed during this stage
Mature Tree
Ongoing for 40+ yearsTree reaches full size with dense branching, reliable flowering and fruiting, displays fall color (reddish-purple foliage)
Minimal pruning needed; remove dead, diseased, or crossing branches annually, light thinning improves air circulation and disease prevention
Common Pests
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Usually minor damage; remove heavily affected leaves, prune infested twigs, encourage natural predators
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Spray with horticultural oil in late winter/early spring when dormant; repeat if necessary
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Spray undersides of leaves with insecticidal soap or neem oil in spring when first appear
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Increase humidity with water spray, apply miticide if severe; encourage predatory mites
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Ensure good air circulation through pruning, remove nearby junipers/cedar hosts if possible, apply fungicide to new growth if necessary
Uses
Songbird and Pollinator Magnet
WildlifeWashington Hawthorn provides critical food and shelter for birds and wildlife. Spring flowers attract bees, butterflies, and other pollinators, while persistent red berries provide essential winter food for cardinals, robins, waxwings, and other migratory birds. [source]
Cardiovascular Support
MedicinalHawthorn berries and leaves have been used in traditional herbalism for heart health, circulation, and blood pressure support. Active compounds include flavonoids and proanthocyanidins with antioxidant properties. [source]
Ornamental Landscape Value
HouseholdThe tree's attractive branching architecture, fragrant spring flowers, glossy foliage with fall color, thorny habit (providing privacy and security), and winter fruit display make it an excellent specimen tree, hedge plant, or landscape accent. [source]
Herbal Tea and Jams
CulinaryHawthorn berries can be harvested to make nutritious herbal teas and preserves. The berries have a tart, slightly sweet flavor and can be combined with other herbs or fruits. [source]
Natural Dye Source
CraftHawthorn berries produce natural dyes that yield red, pink, and russet hues when used with various mordants, making them useful for textile dyeing projects. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Hawthorn is ornamental rather than harvested for fruit. However, if desired, red berries can be collected in late fall (October-November) after frost for medicinal teas or natural dyes; wear gloves due to thorns. Do not harvest fruit until berries are fully red and soft. Some gardeners allow berries to remain for wildlife viewing through winter.
Fun Facts
- 🌱 Washington Hawthorn was selected as the official tree of Washington, D.C. in 1894, chosen partly for its abundance in the region and its cultural significance during the tree-planting movement.
- 🌱 The thorns on hawthorn branches can reach 1-2 inches long, making the tree naturally deer-resistant and providing excellent shelter for nesting birds and small wildlife.
- 🌱 A single Washington Hawthorn tree can produce hundreds of small white flowers in spring, and these reliably transform into thousands of bright red berries by fall, creating spectacular multi-season ornamental display.
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