Callistephus chinensis
|100 Seeds|
This white Aster Callistephus with a blue center grows to approximately 20 inches tall. Aster Blue Moon has large pompons which are 2 to 3 inches wide and simply loaded with petals. Massive disks of dark and light blue all centered on a white outer rim, adding eye-catching color to the flower border all summer long. Aster Pompon is exceptional as a cut flower and has a long vase-life indoors.
- USDA Zones: 3 - 9
- Height: 20 inches
100 Seeds
Flower Garden – Tips on Growing Aster From Seed |
Sow Indoors - Keep media moist and near saturation by watering before planting seed. Start 6-8 weeks before the last frost is expected.
- Do not cover or bury the seed, just press lightly into the wet soil, as Aster seeds needs light for germination.
- Germination improves when you give the seed a cold treatment when seed is started indoors, place the seed in its seed tray outdoors at 40 degrees or in the refrigerator for 2-3 weeks. After cold treatment start indoors at a temperature of 72-76ºF. Germination should occur within 2-3 weeks.
- If you have high lights or a greenhouse you can start 8 weeks before your last frost.
- If you do not have high lights or a greenhouse you should start your seeds 12-14 weeks prior to your last frost.
- You can transplant the seedlings when they have 4 true leaves 2-3 inches apart.
To Direct Sow - Do not cover or bury the seed, just press lightly into the wet soil, as Aster seeds needs light for germination.
- Make sure that the soil temperature is at least 70ºF and the night temperatures do not go below 68ºF.
- Grow in full sun with an air temperature of at least 68ºF.
USDA Hardiness Zone -First Frost Date- Last Frost Date - Zone 1 -July 15th -June 15th
- Zone 2 -August 15th- May 15th
- Zone 3 -September 15th May 15th
- Zone 4 -September 15th May 15th
- Zone 5 -October 15th April 15th
- Zone 6 -October 15th April 15th
- Zone 7 -October 15th April 15th
- Zone 8 -November 15th March 15th
- Zone 9 -December 15th February 15th
- Zone 10 -December 15th January 31st (sometimes earlier)
- Zone 11 _No frost. No frost.
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