Two-leaved Toothwort (Dentaria diphylla)

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Sunlight Dappled woodland shade; avoid direct midday sun to prevent leaf scorching

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Watering Keep soil consistently moist but not waterlogged; prefers well-drained, humus-rich substrate

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Temperature Hardy to cold winter temperatures; thrives in cool spring conditions before tree canopies fully leaf out

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Leaf: Two opposite, deeply lobed compound leaves on upper stem; glossy green, toothed margins
Flower: Raceme of 4–8 white, four-petaled blossoms; fragrant, delicate structure
Stem: Slender, smooth green stem; arises from rhizomes with tooth-like projections

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Watering

Keep soil evenly moist during active growth and bloom period

Fertilization

Light top-dressing with compost. Avoid synthetic fertilizers to preserve native soil ecosystem balance

Composted leaf mold tea：Steep fully composted leaf mold in water for 24 hours; dilute 1:20 for root drench to avoid nutrient burn

Pruning

Remove spent flower stems after bloom to redirect energy to rhizome growth
Thin overcrowded clumps in early autumn to improve airflow and reduce disease risk
Trim yellowing foliage as needed; avoid disturbing underground rhizomes during dormant seasons

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Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic; no harmful effects to cats

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Culture: N/A

Usage: Native pollinator support for bees; woodland ornamental plant