Dwarf Hawthorn (Crataegus uniflora)

Dwarf Hawthorn

Crataegus uniflora

Tough, compact shrub with spring blooms and autumn berries. Deciduous ornamental shrub; common names: Dwarf Hawthorn, One-flowered Hawthorn.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; full sun promotes optimal flowering and fruiting
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Watering Water deeply when the top 5 cm of soil is dry; avoid standing water to prevent root rot
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Temperature Cold-hardy to -20°C; tolerates hot summer temperatures with consistent moisture
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Characteristics

  • Leaf: Small, obovate to elliptical leaves with serrated margins; turn red-orange in autumn
  • Flower: Solitary white or pale pink five-petaled blooms; lightly fragrant
  • Fruit: Small red pomes (berries) ripen in late summer to early autumn
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Care Guide

Watering

Keep soil consistently moist during active growth

Fertilization

Apply a balanced slow-release fertilizer once. Over-fertilization can reduce flowering and fruiting

Eggshell powder top-dress:Crush dried eggshells into fine powder; sprinkle 1 tablespoon per plant around the base; water lightly to incorporate into soil
Pruning
  • Remove dead, damaged, or crossing branches in late winter before new growth emerges
  • Thin overcrowded stems to improve airflow and light penetration
  • Shape lightly immediately after flowering to maintain compact, rounded form
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported adverse effects

Humans: No known toxic effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden shrub; berries provide food for native birds