How to Grow China Aster Super Elfin

China Aster Super Elfin

Callistephus chinensis 'Super Elfin'

flower

China Aster Super Elfin is a dwarf cultivar of the beloved China aster, reaching only 10-12 inches tall with full, bushy plants producing abundant double flowers in various colors. These compact annuals are prized for containers, edging, and small garden spaces while delivering prolific blooms throughout summer and fall. They're relatively easy to grow and provide vibrant, long-lasting cut flowers.

Looking for a specific variety?

Super Elfin Scarlet Super Elfin Rose Super Elfin White Super Elfin Purple Super Elfin Pink Super Elfin Mixed

Growing Conditions

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Sun: Full sun, 6-8 hours daily minimum; prefers afternoon shade in hot climates (zones 8-10)

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Water: Keep soil consistently moist but not waterlogged; water at soil level to avoid wetting foliage; drip irrigation or soaker hoses preferred to reduce disease pressure. Water deeply 1-2 times per week depending on rainfall and temperature.

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Spacing: 6 inches

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Days to maturity: 50-70 days from transplant to first blooms

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Planting depth: Scatter seeds on soil surface or press lightly; do not cover, as seeds need light to germinate. Space transplants 6 inches apart.

Soil

Type: Well-draining loamy soil, moderately fertile

pH: 6.0-7.0

Amendments:

Compost or aged manure for soil enrichment Perlite or sand if soil is heavy clay Balanced slow-release fertilizer at planting

Growing Zones

Find your zone →

Thrives as an annual throughout the U.S.; best performance in zones 2-10

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a

Growth Stages

Germination

7-14 days

Tiny seedlings emerge with cotyledons; very delicate and vulnerable to damping-off.

Maintain 70-75°F soil temperature; keep soil surface moist but not soggy; provide bright, indirect light; ensure excellent air circulation.

Seedling

2-3 weeks

First true leaves appear; plants develop a small root system and strengthen stems.

Reduce watering frequency slightly; provide bright light 12-14 hours daily; thin seedlings to prevent crowding; fertilize with dilute liquid fertilizer every 2 weeks.

Vegetative Growth

3-4 weeks

Plant becomes bushy with multiple stem branches; foliage deepens in color; no flower buds visible yet.

Pinch growing tips when plants reach 3-4 inches to encourage branching; maintain consistent moisture; apply balanced fertilizer every 2-3 weeks; gradually acclimate to outdoor conditions.

Budding & Flowering

6-10 weeks or until frost

Flower buds form at stem tips; double flowers emerge in various colors (pink, white, red, purple, blue); continuous blooming occurs.

Apply low-nitrogen fertilizer to encourage flowering; deadhead spent blooms regularly; maintain even soil moisture; watch for pest and disease pressure.

Decline & Seed Production

2-4 weeks before frost

Flowering slows as temperatures drop or days shorten; plants may become lanky; flowers can develop seed heads if not deadheaded.

Continue deadheading to extend bloom time; allow a few flowers to remain if you want to collect seed; reduce fertilizer; plants will decline with first hard frost.

Companion Planting

Plan your garden →

Plant with:

Dusty Miller Salvia Marigold Sweet Alyssum Celosia Verbena Zinnia Nemesia

Avoid planting near:

Fennel Dill Brassicas (cabbage, broccoli, kale) due to shared pest vulnerabilities

Common Pests

Use row covers early in season; control with insecticidal soap or neem oil; remove infected plants immediately to prevent spread
Spray with water to dislodge; use miticide if severe; maintain humid conditions and adequate air circulation
Spray with strong water stream; apply insecticidal soap or neem oil; introduce beneficial insects like ladybugs
Improve air circulation; avoid wetting foliage; apply sulfur dust or fungicide at first signs; remove heavily infected leaves
Plant resistant cultivars; avoid planting in infested soil; remove and destroy infected plants; practice crop rotation

Uses

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Edible Flowers

Culinary

China aster petals are edible and can garnish salads, desserts, and beverages, adding a delicate floral flavor and vibrant color. [source]

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Cut Flowers & Arrangements

Craft

Super Elfin asters are excellent for fresh or dried floral arrangements, mixed bouquets, and long-lasting decorative displays with substantial vase life. [source]

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Container & Landscape Gardening

Household

The dwarf, compact habit makes Super Elfin ideal for containers, window boxes, borders, edging, and small gardens where space is limited. [source]

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Pollinator Support

Wildlife

Aster flowers attract bees, butterflies, and other pollinators throughout the blooming season, providing essential nectar and pollen resources. [source]

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Traditional Use

Medicinal

In Traditional Chinese Medicine, China asters are believed to have calming and anti-inflammatory properties, though scientific evidence is limited. [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 flowers in early morning when stems are turgid; harvest when blooms are 50-75% open for maximum vase life (7-10 days). Remove lower foliage and recut stems at a 45-degree angle under water. For deadheading, pinch or cut spent blooms just below the flower head to encourage more flowers. Allow seeds to mature on plant if collecting for next year (late autumn); harvest seed heads when papery and dry.

Fun Facts

🌱 China Asters were first introduced to Europe from China in the 17th century and quickly became a Victorian favorite, inspiring the development of hundreds of cultivars.
🌱 The flowers are composed of two types of florets: ray florets (the colored petals you see) and disk florets (the yellow center), making them technically composite flowers like daisies.
🌱 Aster yellows disease, which causes stunted growth and distorted flowers, is transmitted by leafhoppers and has caused entire commercial aster crops to fail throughout history.

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