Queen-devil (Hieracium gronovii)

Queen-devil

Also known as: Gronovius's hawkweed

Hieracium gronovii is an herb up to 79 cm tall, with leaves mostly on the stem rather than in a rosette at the bottom. Leaves are up to 9 cm long, with no teeth on the edges. One stalk will produce 5–50 flower heads in an elongated array. Each head has 12-20 yellow ray flowers but no disc flowers.

Scientific classification

Species

Queen-devil (Hieracium gronovii)

Asters bellflowers fanflowers and allies

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80 cm

Plant Height

1.3 cm to 1.9 cm

Flower Size

Yellow

Flower Color

Deciduous

Leaf type

5 - 25 ℃

Ideal Temperature

Images of Queen-devil

Distribution of Queen-devil

Distribution Map

Queen-devil is native to the temperate and subtropical regions of North America and Central America. Its range extends throughout major areas within these continents, thriving in a variety of habitats. The species has not been widely documented as introduced or cultivated in regions outside its native distribution.

Native

Cultivated

Invasive

Introduced

No species reported

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Care Guide for Queen-devil

Every week

Water

Full sun

Sunlight

5 - 25 ℃

Ideal Temperature

Water: Queen-devil prefers temperate environments with moderate moisture, thriving through seasonal rainfall and demonstrating resilience during dry spells. For optimal growth, water weekly. In outdoor settings, queen-devil effectively manages varying soil moisture during the growing season despite temperature fluctuations.

Pruning: Queen-devil thrives with regular pruning, which involves removing spent blooms and weak stems to promote denser foliage and vibrant flowers. Best done between early and late spring, it also improves air circulation and reduces disease risk. Use clean tools for effective care.

Propagation: Queen-devil is a perennial propagated mainly by seed sowing. Use well-draining soil, lightly cover seeds, and maintain moisture. Germination requires light, and good airflow prevents mold. After seedlings develop true leaves, transplant them to individual containers or their final locations.

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