How to Grow New York Aster 'Lilac Time'
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New York Aster 'Lilac Time'
Symphyotrichum novi-belgii 'Lilac Time'
flowerA compact cultivar of New York aster featuring semi-double to double lavender-lilac flowers that bloom profusely in fall. This bushy perennial typically reaches 24-30 inches tall and is prized for late-season color when many other gardens fade. 'Lilac Time' is an excellent cut flower and attracts pollinators during autumn months.
When should you plant New York Aster 'Lilac Time' in your zone?
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Example New York Aster 'Lilac Time' timeline · Pittsburgh, PA (Zone 6b)
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Plant New York Aster 'Lilac Time'
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First New York Aster 'Lilac Time' blooms
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact New York Aster 'Lilac Time' dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-8, with best performance in cooler to moderate climates
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Get my New York Aster 'Lilac Time' timeline →Growth Stages
Seedling
2-3 weeksSmall green leaves emerge; plant develops first true leaves and establishes root system
Keep soil moist but not soggy; provide bright light; thin seedlings to proper spacing to prevent damping off
Vegetative Growth
6-8 weeksPlant develops bushy foliage with increasing stem and leaf production; no flowers present
Water regularly; apply balanced fertilizer every 2-3 weeks; pinch back stems in early summer (before July) to encourage branching and more compact form
Bud Formation
4-6 weeksFlower buds begin to form at stem tips; plant continues to grow but prioritizes reproductive structures
Maintain consistent moisture; reduce nitrogen fertilizer and switch to phosphorus-rich formula to support blooming; stop pinching back
Flowering
8-12 weeks (September-November)Lavender-lilac semi-double to double flowers open progressively from bottom buds upward; peak bloom in fall
Deadhead spent blooms to encourage continued flowering; maintain moisture; staking may be needed for taller specimens in windy locations
Senescence & Dormancy
4-6 weeks into dormancyFlowers fade and wither; foliage begins to decline; plant prepares for winter dormancy
Leave spent stems standing over winter for wildlife shelter and visual interest; cut back to 6 inches in early spring after last frost; apply winter mulch in colder zones
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Ensure good air circulation by spacing properly and pruning lower foliage; avoid overhead watering; apply sulfur or neem oil if severe; choose resistant varieties
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Increase humidity by misting; spray with water or insecticidal soap; ensure plants are not drought-stressed
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Remove infected plants; control leafhopper vectors with row covers early in season; no cure once infected
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Remove affected foliage; improve air circulation; avoid wetting leaves; apply copper fungicide if necessary
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and
Remove debris and dense mulch near plants; hand-pick; use beer traps or copper barriers; encourage ground beetles
Uses
Edible Flowers
CulinaryAster flowers are edible and can be used as a garnish for salads and desserts, providing a delicate, slightly bitter flavor. They add visual appeal and are safe for consumption in moderate quantities. [source]
Cut Flowers & Floral Arrangements
HouseholdExcellent long-lasting cut flower for fall bouquets, arrangements, and wedding displays. The full, double blooms and lavender color work well in mixed arrangements or striking monochromatic displays. [source]
Pollinator Support
WildlifeProvides critical late-season nectar and pollen for butterflies, bees, and other pollinators preparing for winter. Blooms when few other sources are available, making it invaluable for pollinator habitat. [source]
Traditional Herbal Use
MedicinalHistorically used in traditional medicine and herbal preparations, though modern evidence is limited. Asters have been used in teas and infusions for respiratory and digestive support in folk remedies. [source]
Dried Flowers
CraftDries well for dried flower arrangements, wreaths, and crafts. Hang-dry stems upside down in a cool, dark location for 2-3 weeks; retains color and structure excellently. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Cut stems in early morning when flowers are freshly opened for longest vase life (10-14 days). Cut at a 45-degree angle just above a leaf node. Remove lower foliage that would sit below water line. For best display, harvest when outer flowers are open but center florets still show some color. Deadhead spent flowers regularly to extend blooming season.
Fun Facts
- 🌱 'Lilac Time' is a cultivated variety developed specifically for its compact habit and abundant double flowers, making it superior to wild New York aster for ornamental gardens.
- 🌱 Asters were named from the Greek word 'aster' meaning 'star,' referring to the star-like arrangement of petals radiating from the center of the flower.
- 🌱 Despite their delicate appearance, asters are quite hardy and can survive harsh winters; in fact, a period of cold dormancy actually enhances flowering vigor the following season.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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