Prairie agoseris (Agoseris glauca)

Prairie agoseris

Also known as: Palo agoseris

Prairie agoseris (*Agoseris glauca*) is a flowering perennial plant native to western North America, growing as far south as Mexico and as far north as Alaska. It is part of the same family as sunflowers, and takes one of its other common names, “false dandelion,” from its similar appearance to the well-known weed.

Scientific classification

Species

Prairie agoseris (Agoseris glauca)

Asters bellflowers fanflowers and allies

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Perennial

Lifespan

Herb, Shrub

Plant Type

Mid spring, Late spring, Summer, Early fall

Bloom Time

20 cm to 51 cm

Plant Height

15 cm to 30 cm

Spread

2.5 cm

Flower Size

Spring, Summer

Growth Season

Rapid

Growth Rate

Images of Prairie agoseris

Attributes of Prairie agoseris

Growth Rate

During its active growth season in Spring and Summer, prairie agoseris exhibits an impressive rapid growth. Its lungwort-like basal leaves and smooth, erect stems increase noticeably in size, coupled with abundant flower production. These quick bursts of growth help prairie agoseris to secure resources and establish dominance in grassland habitats. Moreover, differential growth rates may occur, with Spring tending to favor rapid, heightened flowering in response to increased daylight.

Care Guide for Prairie agoseris

Every week

Water

Full sun

Sunlight

0 - 32 ℃

Ideal Temperature

Water: Originating from North American prairies, prairie agoseris thrives in well-drained soils with periodic moisture and moderate drought tolerance. Weekly watering maintains soil moisture without waterlogging, aiding resilience and flowering potential in outdoor cultivation, especially during consistent rainfall in the growing season.

Fertilize: Fertilizing prairie agoseris boosts vigor and flowering using balanced fertilizers. Apply sparingly in early spring, adjusting based on growth. Avoid over-fertilization to prevent root damage. Diluting fertilizer to half-strength is safer, and seasonal adjustments promote optimal health.

Pruning: Prairie agoseris has basal rosettes of dandelion-like leaves. Key pruning includes removing spent flower stalks in early to late spring, promoting health and blooms. Regular pruning prevents self-seeding, maintains appearance, and enhances airflow, reducing fungal infection risks. Use clean tools to avoid disease spread.

Propagation: Prairie agoseris is a perennial wildflower from North American grasslands. Propagation involves careful division of the parent plant's roots, ensuring a healthy root system. Separate the roots gently to reduce stress, promptly replant divisions, and maintain consistent watering for successful establishment.

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