Blue Moon Pompon Aster Seeds – White & Blue Flowers

Bring a striking two-tone display to your garden with Blue Moon pompon aster seeds. These annual China asters produce densely petalled flowers with white outer petals and blue to blue-purple centers. Plant a group along a border or in a roomy patio container, then bring a few stems indoors for fresh bouquets.

Choose Your Seed Pack

Select 50, 200, or 1,000 seeds. This listing is for Blue Moon flower seeds, not live plants or a mixed-color selection.

Flower Highlights

• Plant: China aster, Callistephus chinensis, Pompon Blue Moon.
• Life cycle: Annual.
• Flower color: White with blue to blue-purple centers.
• Flower size: Approximately 2–3 inches across.
• Height: Approximately 20 inches under suitable conditions.
• Bloom season: Summer into early fall, depending on sowing time and climate.
• Light: Full sun to partial shade.
• Soil: Rich, well-drained soil; listed preferred pH 5.5–6.5.
• Uses: Borders, containers, and cut flowers.

Starting Seeds

Start indoors in early spring for planting out after frost danger has passed. Sow 3–5 seeds per intended plant in a freely draining seed-starting mix, pressing gently into the surface and covering only thinly. Avoid burying deeply; the listed sowing guidance indicates light is needed.

Maintain approximately 60–70°F and keep the mix slightly moist, not wet. The listed germination estimate is 7–21 days; timing varies with conditions. Give seedlings bright light and thin to retain healthy plants.

Gradually acclimate seedlings to outdoor conditions before transplanting. Space plants approximately 9–12 inches apart, allowing airflow around the foliage.

Garden Care

Water at soil level when needed, keeping moisture reasonably consistent without saturating the roots. Remove faded flowers to encourage continued flowering. Support stems if they lean in exposed positions.

Rotate the planting site between seasons and avoid ground where asters have repeatedly struggled. Good drainage, clean growing materials, and airflow help reduce disease pressure; no disease-resistance guarantee is made.

Growing in Containers

Use a roomy pot with drainage holes and a freely draining potting mix. Allow the recommended spacing rather than crowding several seedlings into a small pot. Place in a sunny to lightly shaded position.

Check moisture frequently, particularly in warm or windy weather. Water thoroughly as needed, let excess water drain, and feed with a suitable flowering-plant fertilizer according to its label.

Growing in Warm Areas

In hot climates, choose a planting window that lets seedlings establish before the most intense heat. In mild, frost-free regions, the cooler growing season may be more suitable than peak summer; use local planting guidance.

Provide morning sun with some afternoon protection where heat is intense. Maintain steady moisture without waterlogging, especially during heavy rain, and avoid overcrowding in humid conditions. Do not expect continuous flowering through extreme heat.

Cut Flowers and Seasonal Expectations

Cut stems with clean tools and place promptly in fresh water. Remove foliage below the waterline and refresh vase water regularly.

This is an annual flower, not a frost-hardy perennial. The original listing names USDA Zones 3–9 as a growing range; local frost dates and seasonal temperatures determine the appropriate planting time. Flowering duration and plant size vary with care and conditions.

Seed Handling

Seeds are for planting, not eating or edible sprouting. Keep out of reach of children and pets.