Flat Peach (Prunus persica var. platycarpa)

Flat Peach

Prunus persica var. platycarpa

Flattened sun-kissed fruits hold sweet juiciness. Deciduous fruiting tree; common names: flat peach, saturn peach.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Requires full sun (6–8 hours daily) for optimal fruit production; partial shade reduces fruiting yield and quality
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Watering Water deeply once every 1–2 weeks during growing season; allow top 15 cm of soil to dry between waterings to prevent root rot
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Temperature Hardy to -10°C; requires 200–800 chilling hours below 7°C to break dormancy; avoid extreme heat above 35°C during bloom to prevent blossom drop
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Characteristics

  • Leaf: Lanceolate, glossy green leaves with finely serrated margins, turning yellow in autumn
  • Flower: Five-petaled pale pink to white blossoms that emerge before new foliage
  • Fruit: Flattened, round peaches with sweet, juicy yellow flesh and a hard central stone
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Care Guide

Watering

Increase watering frequency during fruit development to maintain consistent soil moisture; avoid wetting foliage to prevent fungal infections

Fertilization

Apply a balanced organic fertilizer (e.g., compost) before bloom to support flower and fruit set. Avoid over-fertilizing with nitrogen, which can promote excessive leaf growth at the expense of fruiting

Composted banana peel tea:Soak fully composted banana peels in water for 24 hours; dilute the tea 1:20 with water before applying as a root drench to avoid nutrient burn
Pruning
  • Prune in late winter to remove dead, diseased, or overcrowded branches and improve canopy airflow
  • Shape the canopy to enhance light penetration for even fruiting across the tree
  • Remove suckers from the base to direct energy to main tree growth and fruit production
  • Thin excess fruit 2–3 weeks after bloom to reduce branch breakage and improve remaining fruit size
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Stems, leaves, and seeds contain toxic cyanogenic glycosides; ingestion may cause severe systemic symptoms

Humans: Only seeds contain cyanogenic glycosides; ripe fruit flesh is safe for human consumption

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Garden Uses & Culture

Culture: Symbolizes longevity and prosperity in traditional Chinese culture; often used in festive decorations during Lunar New Year

Usage: Edible fruit production for fresh consumption and processing; ornamental spring blossom display