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Asteromea mongolica (Japanese aster)

Asteromea mongolica

Japanese aster

(syn. Kalimeris pinnatafida 'Hortensis')

Tough and easy to grow, this enchanting aster cousin is covered in hundreds of double white flowers from mid-summer to frost. Undemanding by nature, it is ideal for most any sunny garden spot and is a great container plant. Fantastic flower in arrangements too!

Asteromea mongolica - 72 per flat Availability
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2-3 Feet


1-2 Feet


12-18 Inches

Bloom Color


USDA Hardiness Zone 4-8

Japanese aster Interesting Notes

"In talks I present or lists of plants I make, this plant goes near the top of "no-brainers": one of which can be planted without fear of failure. I have seen this double white-flowered sun-loving plant from Vermont to south Georgia, Washington to California, and have seldom been disappointed. Most of the leaves are pinnately lobed (pinnatifid) although upon examination, some of the leaves are entire. The double white flowers with their yellow stamens sometimes start out single but as plants mature throughout the season, flowers are double.

Other than its remarkable adaptability, there is nothing particularly spectacular about the plants. It is their ability to be totally ignored and abused that endears them to gardeners. I recommend this one. They are best suited to sunny locations but also do well in partial shade. Even in the shaded Armitage garden, plants are always one of the best performers." -Allan Armitage

Asteromea mongolica Growing and Maintenance Tips

Grow in full sun dry to average soil. At home in the formal garden or parking lot. Very tolerant of adverse conditions.

Good Substitutions

Japanese aster Kalimeris integrifolia 'Daisy Mae'
Japanese aster Kalimeris incisa 'Blue Star'

Key Characteristics & Attributes

Full Sun
Full Sun
Part Sun
Part Sun
Deer Resistant
Deer Resistant
Drought Tolerant
Drought Tolerant
Cut Flower
Cut Flower

Additional Information

Soil Moisture Needs
Plug Type
Horticultural Plug
Season of Interest (Flowering)
Late Summer
Propagation Type