How to grow asters. Perennial asters can be grown from seed, but it takes time for them to mature so you may be waiting years ...
Then, once all danger of frost has passed, your young aster plants should be ready to be hardened off and transplanted ...
AGRICULTURAL AND FARM NEWS Aster yellows is a condition that affects many flowers including not only coneflower, but also asters, chrysanthemum, coreopsis, cosmos, daisy, dianthus, gladiolus, ...
Berkheya purpurea is a member of the aster family and hardy to zone 6. Its foliage consists of a rosette of silvery, spiny leaves with a diameter nearing two feet. White webbing covers the leaves.
Aster yellows might be rare, but it can be expensive. The last big outbreak cost Prairie canola growers $400 million in yield losses, Trevor Wist of AAFC told Manitoba Ag Days 2025.