Rosinweeds - Silphium (Taxonomy, Characteristics, Distribution, Images)

Rosinweeds

Rosinweeds are tall perennials characterized by sunflower- or daisy-like flowers, usually yellow in color, and the rough, opposite foliage that sometimes forms whorls. Some members have the ability to hold water at the leaf base. The genus name derives from the name of the unknown and likely extinct antiquity plant that had various roles in ancient Greece and Rome and was featured on Cyrene coins.

Scientific classification

Genus

Rosinweeds (Silphium)

Family

Daisy

Order

Asters bellflowers fanflowers and allies

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Deciduous

Leaf type

0 - 35 ℃

Ideal Temperature

Images of Rosinweeds

Species

Cup plant Compassplant Roughstem Rosinweed Prairie dock Wholeleaf Rosinweed Whorled rosinweed Starry rosinweed Kidney-leaf rosinweed Silphium radula var. gracile White rosinweed

Care Guide for Rosinweeds

Every week

Water

Full sun

Sunlight

0 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Rosinweeds is well-suited to prairie ecosystems, thriving with periodic rainfall and tolerating dry conditions. It efficiently stores water, needing weekly watering to replicate natural intervals. As a deep-rooted perennial, rosinweeds accesses deeper soil moisture, ideal for outdoor growth across varying climates.

Propagation: Propagation of rosinweeds involves seed sowing post-maturity or spring division. Key factors include full sun, temperatures above freezing, and well-draining soil. Stratification aids germination; division requires careful root handling. Steps include collecting seeds or dividing, sowing seeds 1/4 inch deep, and consistent watering until establishment.

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Learn More About Rosinweeds

How to Grow and Care

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