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Aster Seeds - Needle White
About...
Aster (Callistephus Tall Needle Unicom White) - Aster seeds grow quickly and are so rewarding! This Aster Callistephus is a late season bloomer. While many of the summer flowers are finished, Aster flowers are just getting started, and they will bloom until frosts.MORE ASTER OPTIONS
Flower Specifications
SEASON
Annual
USDA ZONES
3 - 9
HEIGHT
24 inches
BLOOM SEASON
Early summer to fall
BLOOM COLOR
White
ENVIRONMENT
Full sun to partial shade
SOIL TYPE
Well-drained, rich, deep, light soil, pH 6.0 - 6.5
DEER RESISTANT
Yes
HOUSE PLANT
No
Planting Directions
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
16 inches
Aster (Callistephus Tall Needle Unicom White) - Aster seeds grow quickly and are so rewarding! This Aster Callistephus is a late season bloomer. While many of the summer flowers are finished, Aster flowers are just getting started, and they will bloom until frosts. This Unicom white has large blooms with needle-like petals. They are frilly and very showy!
Long vase-life
These Aster plants are sturdy and upright reaching 24 inches in height. Aster Callistephus makes wonderful cut flowers with sturdy stems and a long vase-life.
Aster seed | white
How to grow
How To Grow Aster Needle From Seed: To get a jump start on the growing season, start the Aster seeds indoors 6 - 8 weeks before the last frost is expected. For areas with long growing season, Aster seeds can also be started directly outdoors in prepared seedbeds.
Make sure that frost danger has passed before either directly sowing flower seed or transplanting Aster plants started indoors. Press the flower seeds gently into the soil and lightly cover.
- Sowing Rate: 3 - 5 seeds per plant
- Average Germ Time: 7 - 21 days
- Keep moist until germination
- Attracts bees and butterflies
- Depth: Cover seed thinly with topsoil after sowing
Flower Specifications
Aster plants are not picky about soil types, but they do require full sun to partial shade to do their best. It is recommended to grow Aster flowers in a different location each summer to avoid disease.
- Height: 24 inches
- USDA Zones: 3 - 9
- Season: Annual
- Deer Resistant: No