Yellow Meadow Rue (Thalictrum flavum)

Yellow Meadow Rue

Thalictrum flavum

Its fluffy yellow blooms float like sunlit clouds over meadows. Herbaceous perennial; common name: Yellow Meadow Rue.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates dappled woodland light and mild summer heat
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Watering Water deeply when the top 5 cm of soil is dry; avoid waterlogging to prevent root rot
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Temperature Hardy to -20°C; withstands mild summer heat up to 28°C with adequate moisture
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Characteristics

  • Leaf: Fern-like compound leaves with blue-green, finely divided leaflets
  • Flower: Clusters of tiny, fluffy yellow staminate flowers; pistillate flowers have greenish sepals
  • Stem: Slender, branching, smooth green stems with a slightly glaucous coating
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Care Guide

Watering

Keep soil evenly moist during active growth periods

Fertilization

Diluted balanced feed every 2 weeks. Discontinue fertilization after mid-summer to prepare plants for dormancy

Banana peel tea:Soak 2-3 chopped banana peels in 1L of water for 3 days; dilute 1:2 before applying to soil to avoid nutrient burn
Pruning
  • Deadhead spent blooms to encourage prolonged flowering and prevent self-seeding
  • Cut back stems to ground level after the first autumn frost to tidy the planting area
  • Thin overcrowded clumps in early spring to improve airflow and reduce disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden plant; attracts pollinators including bees and butterflies