Description

Add bold color and elegance to your garden with 'Bonita Top Blue' asters. These fully-double, 2″ purple-blue blooms stand tall on dark stems, creating striking contrast in flower beds and arrangements. Perfect for pollinators, these annuals thrive in full sun to part shade and bloom all summer through frost. Ideal for gardeners and florists, they offer exceptional vase life and are easy to grow from seed.

Family: Asteraceae
Native: China
Hardiness: Annual
Exposure: Full sun to part shade
Bloom Period: Summer to frost
Plant Dimensions: 24″–30″ tall, 12″–18″ wide
Variety Info: Fully-double, 2″ blue-purple flowers
Attributes: Attracts Pollinators, Cut Flower

When to Sow Outside: 1 to 2 weeks after your average last frost date, when soil temperature is at least 65°F. Mild Climates: Sow in late summer for winter bloom.
When to Start Inside: RECOMMENDED. 6 to 8 weeks before your average last frost date. Mild Climates: Start in late summer for winter bloom.
Days to Emerge: 10–15 days
Seed Depth: 1/8″
Seed Spacing: A group of 4 seeds every 12″
Thinning: When 2″ tall, thin to 1 every 12″

Harvesting: For longest vase life, harvest flower in the morning, choosing buds that have just begun to open. Change vase water frequently.
Special Care: Mulch plants (avoid mulch touching stems) to help keep shallow aster roots consistently moist. Staking may be necessary. To reduce the possibility of common diseases, avoid wetting leaves when watering, and ensure good air circulation with proper thinning and spacing.

25 seeds