New England Aster ‘Sky Blue’ Seeds (Symphyotrichum novae-angliae)

Brighten your late-season garden with New England Aster ‘Sky Blue’ (Symphyotrichum novae-angliae). This hardy perennial produces masses of sky-blue daisy-like flowers in late summer and autumn, creating a stunning display in borders, meadows, and cutting gardens. Easy to grow and long-flowering, it attracts pollinators and adds vibrant color when many other plants have finished blooming.

How to Grow

• Sow seeds indoors 6–8 weeks before the last frost or directly outdoors after frost risk has passed.

• Use well-drained soil in full sun to partial shade.

• Lightly cover seeds with soil and keep moist until germination (14–21 days).

• Thin seedlings to 30–40 cm apart once established.

• Mulch around plants to retain moisture and support healthy growth.

• Cut back after flowering to maintain plant vigor.

Key Features

• Sky-blue, daisy-like flowers in late summer and autumn

• Hardy perennial, long-flowering and easy to grow

• Ideal for borders, meadows, and cutting gardens

• Attracts bees, butterflies, and other pollinators

• Adds vibrant late-season color to garden beds

Ideal For

• Flower borders and cottage gardens

• Wildflower meadows and naturalized areas

• Cutting gardens for bouquets

• Pollinator-friendly landscapes

Sowing

• Best time: 6–8 weeks before last frost indoors or after frost outdoors

• Germination: 14–21 days

• Sow thinly, cover lightly, and keep soil moist

• Prefers full sun to partial shade and well-drained soil

Quick Tip

• For extended blooms, sow successive batches or cut flowers regularly to encourage new growth.