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Aster Seeds - Pompon Blue
SEASON
Annual
USDA ZONES
3 - 9
HEIGHT
20 inches
BLOOM SEASON
Early summer to early fall
BLOOM COLOR
Dark blue w/ white center
ENVIRONMENT
Full sun to partial shade
SOIL TYPE
Well-drained, rich, deep, light soil, pH 5.5 - 6.5
DEER RESISTANT
Yes
HOUSE PLANT
No
About...
Aster (Callistephus Tall Pompon Blue) - Butterflies cannot resist Aster Callistephus, so start some Aster seeds to bring in the butterflies! This is one of the most unique Asters with massive disks of dark blue surrounding a white center.MORE ASTER OPTIONS
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
9 - 12 inches
Aster (Callistephus Tall Pompon Blue) - Butterflies cannot resist Aster Callistephus, so start some Aster seeds to bring in the butterflies! This is one of the most unique Asters with massive disks of dark blue surrounding a white center. Bring some eye-catching color to the sunny garden by growing Asters. These Aster Pompons are also great for cutting with sturdy stems and a long vase-life.
Aster Pompon Blue is an annual so it grows quickly from Aster seeds. It is easy and fast to grow in the sunny garden, and does best in moist, well-drained soil. Callistephus Pompon Blue is wilt-tolerant, but all Asters do better if grown in different soil each year, so for subsequent plantings, change the location a bit. Deadhead Aster flowers to extend the bloom season even longer and keep the flowers coming back.
Start Aster seeds indoors 6 - 8 weeks before the last expected frost. Press the flowers seed into the soil and lightly cover it. Transplant Aster plants outdoors after frost danger has passed.
Common Questions
I thought asters were hardy perennials?
Many asters are hardy perennials but the annual aster, or China Aster, is not hardy and is grown as an annual.
Are they good for cutting?
Yes, they are excellent for cut flowers! Cut when 2/3 of the way open.
Why haven’t my asters bloomed?
There are a number of possible causes for this. Asters need full sun to grow well and bloom. They may be getting too much nitrogen, not have enough other nutrients, they may be stressed by drought or too much water, or it may just be too early. Asters bloom in fall, when days are growing shorter.
Can I grow China aster in containers?
Yes, just be mindful that they will not bloom until later summer, so combine them with summer bloomers. Make sure the container is large; they grow 24 inches tall, and use a commercial potting mix.
Do aster attract pollinators?
Yes they are butterfly magnets!
Are asters deer resistant?
Yes, asters tend to be deer resistant.
Can I grow asters in containers?
Yes, smaller varieties are fine in containers.
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