Eastern bluestar 'Blue Ice' (Amsonia 'Blue Ice')

Eastern bluestar 'Blue Ice'

Also known as: Blue dogbane 'Blue Ice'

Eastern bluestar 'Blue Ice' is a tough and reliable native perennial with clusters of star-shaped, blue flowers in late spring. Its dense clumps of green foliage turn a stunning yellow-gold in fall, making it a great addition to any garden. It attracts bees and butterflies, while being resistant to deer and rabbits.

Scientific classification

Gentians, dogbanes, madders, and allies

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Perennial

Lifespan

Herb

Plant Type

Late spring

Bloom Time

30 cm to 46 cm

Plant Height

30 cm to 45 cm

Spread

Winter dormancy

Dormancy

Deciduous

Leaf type

0 - 35 ℃

Ideal Temperature

Care Guide for Eastern bluestar 'Blue Ice'

Every week

Water

Full sun

Sunlight

0 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Eastern bluestar 'Blue Ice' thrives in moist conditions and prefers consistently damp soil. While moderately drought-tolerant, it benefits from weekly watering. As an herbaceous perennial, its growth peaks during wetter spring months, emphasizing its need for stable moisture levels.

Fertilize: For optimal flowering and health, fertilize eastern bluestar 'Blue Ice' in early spring with a balanced 10-10-10 formula at 1/4 cup per square yard. Limit to one annual feeding to prevent harm. Water thoroughly post-application and keep fertilizer away from the base to avoid root burn.

Pruning: Eastern bluestar 'Blue Ice' features star-shaped flowers and thrives with pruning. Optimal timing is early to late spring, right after new growth. Cut back stems for bushiness, remove dead leaves, and use sanitized tools. Regular pruning boosts aesthetics and promotes blooming without excessive cutting.

Propagation: Eastern bluestar 'Blue Ice' is a perennial featuring star-shaped blue flowers. It propagates through seed sowing, requiring stratification for dormancy break. Sow seeds in well-draining soil with light exposure, maintaining consistent moisture for optimal slow germination.

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