Downy Hawthorn (Crataegus mollis)

Downy Hawthorn

Crataegus mollis

Soft down covers its twigs, a quiet gem of temperate woodlands. Deciduous flowering tree; common name: downy hawthorn.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; blooms best in full sun, tolerates light woodland shade
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Watering Young trees need weekly deep watering; established trees are drought-tolerant, requiring supplemental water only in prolonged dry spells
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Temperature Extremely cold-hardy; thrives in 10–25°C during the growing season, withstands harsh winter temperatures
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Characteristics

  • Leaf: Oval to obovate, 5–10 cm long, with 3–5 lobes; downy undersides when young
  • Flower: Clusters of small, fragrant white flowers with five petals
  • Stem/Bark: Gray-brown bark with 2–4 cm long thorns; young twigs covered in soft down
  • Fruit: Red pomaceous berries (haws) ripening in autumn
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Care Guide

Watering

Water young trees weekly during dry spells; established trees need minimal supplemental water

Fertilization

Apply a balanced slow-release fertilizer once in early spring. Fertilize only if soil is nutrient-poor; avoid over-fertilizing to prevent excessive foliage growth

Banana peel compost tea:Compost banana peels for 4–6 weeks, dilute 1:20 with water for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Remove dead, diseased, or crossing branches in late winter before new growth emerges
  • Thin crowded branches to improve airflow and light penetration within the canopy
  • Trim to maintain desired rounded canopy shape after spring flowering
  • Remove basal suckers to prevent overcrowding at the tree base
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-confirmed non-toxic to cats

Humans: Ripe haws are edible for humans; no confirmed toxic effects

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Garden Uses & Culture

Culture: Symbolizes protection and hope in some Eastern North American folk traditions

Usage: Ornamental landscape tree; ripe haws used in jams, teas, and herbal preparations