Hero

My Garden

Crepis biennis
Rough Hawk's-beard
Crepis biennis
Crepis biennis, commonly known as Biennial Hawksbeard, is a flowering plant species belonging to the Asteraceae family. It is a biennial plant, meaning it typically lives for two years. In its first year, it forms a basal rosette of leaves, and in the second year, it produces a tall, branched stem with yellow dandelion-like flowers. It is often found in meadows, pastures, and disturbed areas.
CategoryDetails
Medicinal UsageMedicinal Usage
Duration to maturity1 year to harvest
Estimated Plant Lifespan2 years lifespan
Sun Requirements4-6 hours direct sunlight (Partial Sun)
Pollination

Method: animal

Notes: Pollinated by various insects.

Watering Requirements

Method: Top water

Frequency: Water when the top inch of soil is dry.

Notes: Avoid overwatering, as it can lead to root rot.

Humidity Requirements

Level: Moderate

Temperature Range

Min: -15°C

Max: 30°C

Alternative NamesCrepis glabra
Trifolium pratense
Red Clover
Trifolium pratense
Red Clover fixes nitrogen in the soil, enriching the soil for the nitrogen hungry Crepis biennis
Poa pratensis
Smooth Meadow-grass
Poa pratensis

Kentucky Bluegrass can compete with Crepis biennis for resources like sunlight and nutrients, potentially hindering its growth and spread due to its aggressive spreading habit.

Aphids

Aphids are small, sap-sucking insects that can infest Crepis biennis. They cause yellowing, distorted growth, and can transmit plant viruses. Look for clusters of small insects on stems and undersides of leaves.

Slugs and Snails

Slugs and snails can feed on the foliage of Crepis biennis, creating holes and damaging the plant. They are most active during wet conditions.

Steps:

    • Collect seeds from mature flower heads in late summer or early fall.
    • Sow seeds directly into the ground in the fall or early spring.
    • Alternatively, start seeds indoors 6-8 weeks before the last expected frost.
    • If starting indoors, transplant seedlings into the garden after the last frost, spacing them 12-18 inches apart.
    • Ensure the planting location has well-drained soil and receives full sun to partial shade.

Neem Oil

Controls aphids and other pests on Crepis biennis.

Diatomaceous Earth

Acts as a natural pest control barrier around Crepis biennis to deter slugs and snails.