Narrowleaf Hawksbeard (Crepis tectorum)

Narrowleaf Hawksbeard

Crepis tectorum

It spreads softly in fields, a delicate yellow wildflower. Annual herbaceous weed; common name: narrowleaf hawksbeard.

Full sun
1–2/week
Beginner
🌱

Plant Needs

☀️
Sunlight Full sun to partial shade; tolerates low-fertility, disturbed soils
💧
Watering Water only during prolonged dry periods; highly drought-tolerant once established
🌡️
Temperature Hardy to mild frost; thrives in cool to temperate climate conditions
🔍

Characteristics

  • Leaf: Basal leaves are lanceolate with toothed margins; upper stem leaves are smaller and clasping
  • Flower: Small bright yellow composite flower heads, resembling miniature dandelions
  • Stem: Slender, branched upper stem covered in fine, soft hairs
🛠️

Care Guide

Watering

Water occasionally if weekly rainfall is less than 2 cm

Fertilization

No fertilization needed; tolerates poor soil conditions. Fertilization may encourage excessive foliage growth at the expense of flowering

Composted banana peel tea:Fully compost banana peels for 2–3 weeks, dilute 1:20 with water for occasional root drench; avoid applying raw peels to prevent pest issues
Pruning
  • Remove spent flower heads to reduce self-seeding and spread
  • Thin dense clumps to improve airflow and reduce disease risk
  • Pull entire plants after flowering to control wild spread in managed gardens
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported toxic reactions

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

📖

Garden Uses & Culture

Culture: N/A

Usage: N/A