Rattlesnake hawkweed (Pilosella venosa)

Rattlesnake hawkweed

Also known as: Robin’s plantain

Rattlesnake hawkweed (Pilosella venosa) is a perennial herbaceous wildflower. Yellow, dandelion-type flowers bloom throughout summer. This plant grows best in partial shade and dry, sandy soil. It is considered a noxious weed in some regions of the United States.

Scientific classification

Species

Rattlesnake hawkweed (Pilosella venosa)

Asters bellflowers fanflowers and allies

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Perennial

Lifespan

Herb

Plant Type

Summer, Fall

Bloom Time

40 cm

Plant Height

20 cm

Spread

Yellow, Gold, Purple, Lavender

Leaf Color

2.5 cm

Flower Size

Yellow, Gold

Flower Color

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Basal rosette of slightly hairy, purplish-veined leaves.

Tall stalk with small, bright yellow flower heads and numerous ray florets.

Elliptical leaves measuring 1.5-6 inches (4-15 cm) with distinctive purple-red veining.

Charming yellow flowers in clusters with slender petals, 0.5 to 0.75 inches (1.3 to 1.9 cm).

Blooms appear in late spring through early summer, lacking scent but vibrant in color.

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Care Guide for Rattlesnake hawkweed

Every week

Water

Partial sun

Sunlight

0 - 25 ℃

Ideal Temperature

Water: Originating from well-drained meadows, rattlesnake hawkweed thrives with moderate moisture and benefits from weekly watering to prevent waterlogging. Adapted to temperate regions, it endures seasonal water fluctuations, reflecting its drought-tolerant nature and supporting its growth cycles in varying rainfall conditions.

Fertilize: For rattlesnake hawkweed, use a balanced fertilizer monthly in the growing season, adjusting application in fall and winter. Water the plant post-fertilization to distribute nutrients. Avoid leaf contact and follow dilution instructions, ensuring even distribution at the base for effective nutrient absorption.

Pruning: Prune rattlesnake hawkweed in early to late spring, removing dead stems for healthy growth and prolonged blooming. Regular deadheading encourages flowering and controls spread. Use clean, sharp tools to prevent disease; consult horticultural guidelines for detailed care instructions.

Propagation: Rattlesnake hawkweed can be propagated using cuttings from healthy shoots. Make a clean cut below a node and place cuttings in a suitable growing medium, such as sand and peat. Maintain moisture and provide indirect light to promote root development.

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Images of Rattlesnake hawkweed

Quickly Identify Rattlesnake hawkweed

Care Guide for Rattlesnake hawkweed

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