Sand aster (Dieteria canescens)

Sand aster

Also known as: Ziegler's aster

The linear to oblong leaves may reach 10 cm long near the base of the stems, their edges usually serrated or toothed. The stems are glandular with short hairs. The inflorescence bears one or more flower heads lined with several layers of pointed, curling or curving phyllaries. The head has a center of many yellow disc florets and a fringe of blue or purple ray florets each 1 to 2 cm long. The fruit is an achene around 3 mm in length tipped with a pappus of long hairs.

Scientific classification

Species

Sand aster (Dieteria canescens)

Asters bellflowers fanflowers and allies

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Biennial, Perennial

Lifespan

30 cm to 1.2 m

Plant Height

2.5 cm to 5 cm

Flower Size

Pink, Purple

Flower Color

Semi-evergreen

Leaf type

Images of Sand aster

Distribution of Sand aster

Distribution Map

Sand aster is indigenous to the arid and semi-arid regions of North America. Its natural presence extends across the continent’s major southwestern regions, thriving in habitats that offer dry, open spaces. This species has not been reported as introduced or naturalized in regions beyond its native range.

Native

Cultivated

Invasive

Introduced

No species reported

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Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Sand aster

Every week

Water

Full sun

Sunlight

Water: Sand aster thrives in arid conditions, showing strong drought tolerance. Weekly watering mimics its natural infrequent rainfall, while well-draining soil reflects its sandy habitat, reducing root rot risk and promoting healthy growth.

Fertilize: For sand aster, use balanced fertilizers during the growing season and high-nitrogen before blooming. Apply quarterly in moderate amounts, adjusting less in winter. Water post-fertilization to avoid root burn and conduct regular soil tests to meet sand aster's specific nutrient needs.

Pruning: Sand aster features daisy-like flowers and silver-green foliage. Prune in early to late spring, cutting back one-third of the plant and removing spent flowers to encourage healthy growth, enhance blooms, and improve airflow. Consult university extension services for further guidelines.

Propagation: Sand aster is best propagated by sowing mature seeds for better germination and genetic diversity. Use a well-draining soil mixture and sow seeds on the surface, pressing them gently. Maintain consistent moisture, and transplant seedlings once their roots are established.

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Learn More About Sand aster

How to Transplant

How to Prune

How to Grow and Care

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