Siberian Crabapple (Malus baccata)

Siberian Crabapple

Malus baccata

Clusters of white blooms paint spring skies, followed by tiny tart fruits. Deciduous ornamental tree; common names: Siberian crabapple, Manchurian crabapple.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Requires at least 6 hours of direct sunlight daily for abundant flowering; tolerates partial shade in hot climates
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Watering Water deeply when the top 5–7 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Extremely cold hardy, tolerating temperatures as low as -40°C; prefers temperate to cool growing conditions
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Characteristics

  • Leaf: Oval to lanceolate, serrated margins, bright green turning yellow in autumn
  • Flower: Fragrant white 5-petaled blooms in dense clusters
  • Fruit: Small, round, red or yellow crabapples (1–2 cm diameter)
  • Stem/Bark: Smooth gray-brown bark, becoming furrowed with age
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Care Guide

Watering

Water deeply 1–2 times weekly during active growth and flowering

Fertilization

Apply balanced slow-release fertilizer once in early spring. Avoid over-fertilizing to prevent excessive foliage growth at the expense of blooms

Eggshell powder top-dressing:Crush clean, dried eggshells into fine powder; sprinkle 1 tablespoon around the base of the tree; work lightly into the topsoil to prevent nutrient leaching
Pruning
  • Remove dead, diseased, or crossing branches in late winter before new growth emerges
  • Thin crowded inner branches to improve airflow and light penetration
  • Shape the canopy after flowering to maintain a rounded, spreading form
  • Remove suckers from the base of the tree to prevent overcrowding and redirect energy to the main canopy
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic if large amounts of seeds are ingested; may cause vomiting, diarrhea, and respiratory distress

Humans: Only seeds contain cyanogenic glycosides; ingestion of large quantities of crushed seeds may cause mild to moderate gastrointestinal distress

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Garden Uses & Culture

Culture: Symbolizes spring renewal and abundance in some East Asian cultural traditions

Usage: Ornamental garden tree; small fruits used to make jellies, preserves, and infusions