Smooth hawksbeard (Crepis capillaris)

Smooth hawksbeard

Crepis capillaris

A slender, yellow-flowered annual that paints disturbed soils with cheerful blooms. Herbaceous weed; other names: smooth crepis.

Prefers full sun but can tolerate partial shade.
1/week
Beginner
🌱

Plant Needs

☀️
Sunlight Prefers full sun but can tolerate partial shade.
💧
Watering Highly drought-tolerant once established; natural rainfall is usually sufficient.
🌡️
Temperature Adaptable to a wide range of temperatures; thrives in temperate climates.
🔍

Characteristics

  • Leaves: Basal rosette of lobed, dandelion-like leaves, glabrous (smooth) or nearly so; stem leaves are lanceolate and clasping the stem;
  • Flowers: Yellow flower heads (capitula) 1-1.5 cm across, composed entirely of ray florets, arranged in loose, flat-topped clusters;
  • Stem: Slender, branched, mostly hairless (smooth), containing a milky white sap;
  • Fruit: Small, ribbed achenes topped with a pappus of soft, pure white bristles for wind dispersal.
🛠️

Care Guide

Watering

Water only during prolonged dry spells if cultivated

Fertilization

None required. Fertilization is generally unnecessary as it thrives in nutrient-poor soils.

Coffee grounds compost:If cultivating intentionally, lightly sprinkle used coffee grounds around the base to improve soil structure, ensuring they are mixed with soil to prevent mold.
Pruning
  • Deadhead spent flowers promptly to prevent aggressive self-seeding and unwanted spread in gardens.
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: Non-toxic to cats (per ASPCA general guidelines for this genus).

Humans: Generally considered non-toxic; young leaves are occasionally foraged but can be bitter.

📖

Garden Uses & Culture

Culture: Often viewed as a common lawn weed in Western landscaping, yet appreciated by wild-gardeners for its ability to attract pollinators to urban environments.

Usage: Ecological pioneer species; provides nectar and pollen for bees and hoverflies; occasionally used as forage for livestock.