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| Category: Perennial |
| Family: Asteraceae (Sunflowers) |
| Origin: North America |
| Flower Color: White |
| Bloomtime: Summer/Fall |
| Height: 4-6 feet |
| Width: 4-6 feet |
| Exposure: Sun or Shade |
| Deer Tolerant: Yes |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: < 0 °F |
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Boltonia asteroides (False Aster) A large open herbaceous shrub-like perennial that can grow upright to 5 to 6 feet tall and spreads slowly by rhizomes, but with some shade tends to grow wider as stems lay over and the plant then only reaches to around 4 feet tall. It has branching stems bearing 5 inch long narrow lance-shaped dark gray-green leaves and in late summer into early fall appear the sprays of 3/4 inch wide daisies with white ray and central yellow disk flowers. Plant in full sun and give occasional to regular irrigation. It is very hardy and can be grown in USDA Zones 3 to 10 and also tolerates wet, dry and clay soils. Pinch or cut back in late spring to control size and to keep more dense. It is great in a large meadow planting and in border backgrounds. It is also is a good filler cut flower in arrangements and the flowers attract butterflies. False Aster is native to moist prairies, meadows, marshes, stream banks and around ponds in eastern and central North America from Canada south and ranging within the US from Oregon to Maine south into the southern states and Texas. The genus name honors James Bolton (1735-1799), English naturalist, botanist, mycologist, and illustrator. The specific epithet means "resembling aster" in reference to the similar flowers. Besides False Aster, another common name is False Chamomile. We thank the Grassman and Meadowmaster John Greenlee for providing us with the seed of this plant from the plant growing in his San Francisco area garden.
This information about Boltonia asteroides displayed is based on research conducted in our horticultural library and from reliable online resources. We also will relate observations made about it as it grows in our nursery gardens and other gardens we have visited, as well how the crops have performed in containers in our nursery field. We will also incorporate comments that we receive from others and we welcome hearing from anyone with additional information, particularly if they can share any cultural information that would aid others in growing it.
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