Desert woollystar (Eriastrum eremicum)

Desert woollystar

Also known as: Desert eriastrum, Yager's woollystar

Desert woollystar (Eriastrum eremicum) is a low-growing annual desert wildflower found in North America's Sonoran Desert. In some places it becomes so abundant that it appears to cover the ground in a blue carpet when the flowers bloom.

Scientific classification

Species

Desert woollystar (Eriastrum eremicum)

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Annual

Lifespan

Herb

Plant Type

Spring, Summer, Winter

Bloom Time

Purple

Flower Color

Deciduous

Leaf type

Images of Desert woollystar

Distribution of Desert woollystar

Distribution Map

Desert woollystar is indigenous to North America, specifically thriving in arid and semi-arid environments within this major region. Although detailed distribution data is limited, its presence is largely confined to its native habitats and has not been notably introduced or naturalized in other global regions.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Open areas in sandy soils

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Desert woollystar

Every week

Water

Full sun

Sunlight

Water: Adapted to arid environments, desert woollystar exhibits high drought tolerance and thrives on minimal moisture. It requires weekly watering, reflecting its natural habitat. Suited for outdoor conditions, desert woollystar performs well in xeriscaping or rock gardens, effectively retaining water under fluctuating temperatures and intense sunlight.

Fertilize: For desert woollystar, use balanced fertilizers bi-monthly in spring to summer, switching to high-nitrogen for lush growth. Apply at 1/4 strength to prevent overload and reduce frequency in winter. Water desert woollystar before fertilizing for better nutrient absorption and ensure good drainage to avoid root burn.

Pruning: Desert woollystar features delicate blue flowers and woolly stems, thriving in arid conditions. Prune in early to late spring to encourage growth and shape. Remove dead stems for airflow, enhancing foliage and blooms. Use sharp tools to prevent infections and avoid excessive pruning to reduce stress.

Propagation: To propagate desert woollystar, use sowing as the main method. Germinate seeds in well-drained sandy soil with moderate moisture and light coverage. Maintain steady temperatures and gentle watering for seedling growth, allowing for later transplantation into pots or outdoor settings.

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