(A) Ageratum Blue Seeds 0,5g (185547)

Condition: New

Annual Plant (A) PS3

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Ageratum ‘Blue’
Botanical Name: Ageratum houstonianum
Type: Half-Hardy Annual

Ageratum ‘Blue’ is a compact, easy-to-grow annual prized for its fluffy, soft blue flower clusters that bloom nonstop from summer to early autumn. Perfect for edging, bedding, and containers, it forms neat mounds of colour that contrast beautifully with warmer tones in the garden. Long-flowering and low-maintenance, this classic border plant is also excellent for attracting pollinators like bees and butterflies.

Plant Details

Type: Half-Hardy Annual
Height: 10–20cm
Spread: 20–25cm
Flowers: June – October
Position: Full sun to partial shade

Growing Information

Sow: February – April indoors
Germination: 10–14 days at 18–22°C; surface sow — needs light to germinate
Transplant/Thin: Harden off and plant out after the last frost, spacing 20–25cm apart
Care: Deadhead regularly to prolong flowering; prefers well-drained soil

Why You’ll Love It

Soft, fluffy blue blooms for months on end
Neat, compact habit – perfect for edging & pots
Great for pollinators and low-maintenance displays
Combines beautifully with marigolds, zinnias & cosmos

Top Tip

Use Ageratum to edge borders or paths — it creates a soft, cloud-like edging that ties planting schemes together.

Perfect For

Bedding schemes & formal edging
Patio pots & containers
Pollinator-friendly borders
Colour contrast in summer displays

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