Aster Seeds

Why Grow Aster Flowers From Seeds?

Aster plants look much better when planted in groups or drifts. A block of beautifully subtle Aster flowers against a late summer autumnal sky really is worth the effort of growing these plants. Suttons offer some superb Aster varieties including ‘Milady mix’, a dwarf aster, a heavy flowering and heavy petalled Aster or the blousy pom-pom ‘Fraggle mix’. Matsumoto aster seeds are perfect for the front of borders.

How to grow Asters from seed

• It’s best to start Asters in a protected environment such as Greenhouse or propagator. Sow in seed trays and label. 
• Sow Aster seeds from March to May in a decent peat-free compost. Plant out in late spring after danger of frosts are passed.
• Plant Asters in drifts of 5, 7 or 9’s. The odd number making sure a more natural effect is achieved. Aster like a sunny position with some organic matter forked into the soil in advance of compost, soil improver may help if it's a particularly heavy soil.
• Keep evenly watered as plants establish and add a mulch of organic material as plants mature. This will feed the plants and help keep the roots moist as well as help keep down weeds.
• Pinch out tips of Asters to encourage bushier plants that will produce more flower heads. 
• If your Asters are growing in windy, exposed conditions it's a good idea to stake these plants. Canes and twine will suffice.

How to Germinate Aster Seeds

Aster seed germination takes about 10 to 14 days. Transplant the seedlings into trays 5cm apart and grow on. Gradually acclimatise the Aster plants to outside conditions, and plant out at around 35cm apart.

Asters are great for wildlife, loved by Bees and butterflies, providing nectar toward the end of the season. Deadhead spent flowers to keep those lovely colours coming.