Narrowleaf Toadflax (Linaria angustissima)

Narrowleaf Toadflax

Linaria angustissima

Slender spires of snapdragon-like blooms bring delicate meadow charm. Herbaceous perennial wildflower.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial sun; thrives in open meadow conditions with direct daily sunlight
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Watering Allow top 2 cm of soil to dry between waterings; drought-tolerant once established
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Temperature Hardy to moderate frost; tolerates warm summer temperatures up to 30°C
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Characteristics

  • Leaf: Linear, narrow, gray-green, sessile leaves arranged alternately along stems
  • Flower: Snapdragon-like bilateral blooms in pale lavender to white, with orange lower lip
  • Stem: Slender, branching green stems with fine pubescence
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Care Guide

Watering

Keep soil evenly moist during active growth

Fertilization

Diluted balanced feed once monthly. Minimal fertilization needed for established plants in native habitats

Eggshell powder topdressing:Sprinkle finely crushed eggshell powder around base; avoid direct contact with stems to prevent fungal growth
Pruning
  • Deadhead spent blooms to encourage extended flowering period
  • Cut back stems to ground level after first autumn frost to tidy growth
  • 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: No documented toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental wildflower for pollinator gardens; supports bees and butterflies