Parsley Hawthorn (Crataegus marshallii)

Parsley Hawthorn

Crataegus marshallii

Its finely cut leaves mimic parsley, a delicate understory tree with spring blooms. Deciduous small tree; common name: parsley hawthorn.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates dappled understory light in woodland settings
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Watering Water deeply when the top 5 cm of soil is dry; drought-tolerant once established
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Temperature Hardy to -20°C; withstands hot summer temperatures in USDA zones 5–9
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Characteristics

  • Leaf: Deeply lobed, parsley-like foliage; glossy green, turning red/purple in fall
  • Flower: Clusters of white, five-petaled blooms with yellow stamens
  • Stem/Bark: Gray-brown bark with 1–2 cm long thorns on younger branches
  • Fruit: Small red pomes ripening in late summer to early fall
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Care Guide

Watering

Water weekly during prolonged dry spells; maintain consistent moisture for young saplings

Fertilization

Apply balanced slow-release feed once at bud break. Use low-nitrogen fertilizer to promote flowering and fruiting

Banana peel compost tea:Compost banana peels for 2–3 months; dilute 1:20 with water for root drench to support foliage and fruit development
Pruning
  • Remove dead or damaged branches in late winter before new growth emerges
  • Thin crowded inner branches to improve airflow and light penetration
  • Shape the crown lightly to maintain a compact, rounded form
  • Trim suckers at the base to prevent overcrowding and preserve tree structure
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

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

Humans: No known toxicity to humans; fruit is edible in small quantities

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Garden Uses & Culture

Culture: Symbolizes protection and resilience in some eastern North American native plant traditions

Usage: Native garden ornamental; fruit provides forage for birds and small wildlife