Description

Condition: New

(A) KS5

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Aster ‘Balloon’ (Yellow)
Botanical Name: Callistephus chinensis
Type: Half-Hardy Annual

Aster ‘Balloon’ (Yellow) is a full, globe-shaped variety producing dense, double blooms in a radiant sunny yellow. Its rounded flowers resemble pom-poms, adding bold texture and cheerful colour to borders, beds, and cutting gardens. This compact and upright-growing aster blooms late in the season, making it ideal for extending garden colour into early autumn. Perfect for floral displays and pollinator-friendly planting.

Plant Details

Type: Half-hardy annual
Height: 60–70cm
Spread: 20–40cm
Flowers: July – September
Position: Full sun; fertile, well-drained soil

Growing Information

Sow: In March - April in greenhouse or in April - May in flower beds
Germination: 10–14 days at 18–22°C
Transplant: Harden off and plant out after last frost
Spacing: 25–30cm apart
Care: Avoid waterlogging; deadhead to prolong flowering

Why You’ll Love It

Bright, rounded yellow blooms that stand out in borders
Excellent for late summer colour and cut flower use
Compact, upright growth habit – tidy and uniform
Loved by bees and butterflies

Top Tip

Sow in succession for a longer display. Water at the base of the plant to prevent mildew on the foliage.

Perfect For

Cutting gardens & floral arrangements
Bedding & border colour
Pollinator-friendly planting
Late-season blooms

Hashtags

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