Do well in the rock garden, front of the border or in containers.
Aster (Callistephus Tall Paeony Duchess Yellow) – Start some Aster seeds to grow this spectacular Aster Callistephus. Nothing will be brighter in your garden than this yellow Aster! Aster Duchess plants have an upright growth habit and 5 – 8 floral stems. They can reach nearly 28 inches in height, and the stems are strong to make an excellent cutting flower. This Paeony Duchess Aster has exceptionally large, double blooms with incurved petals. Aster Duchess blooms resemble autumn chrysanthemums. They are very showy and stunning in either the flower border or in a vase.
Start the Aster seeds in the early spring. Press the flower seeds into the soil and lightly cover them. Transplant Aster plants outside into a position of full sun to partial shade. They also prefer well-drained soil.
Season: Annual
USDA Zones: 3 – 9
Height: 28 inches
Bloom Season: Early summer to fall
Bloom Color: Yellow
Environment: Full sun to partial shade
Soil Type: Well-drained, rich, deep, light soil, pH 6.0 – 6.5
Temperature: 60 – 70F
Average Germ Time: 7 – 21 days
Light Required: Yes
Depth: Cover seed with topsoil thinly after sowing
Sowing Rate: 3 – 5 seeds per plant
Moisture: Keep soil slightly moist but not wet
Plant Spacing: 18 inches