Description

Condition: New

Annual Plant (S) KS12

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Sweet Pea 'Flagship'
Botanical Name: Lathyrus odoratus 'Flagship'
Type: Hardy Annual

Sweet Pea 'Flagship' is a stunning heirloom-style sweet pea known for its richly coloured blooms in deep purples, blues, and violets, combined with the intensely sweet fragrance classic to this beloved climber. With long stems and ruffled, showy flowers, it's ideal for cutting gardens, trellises, and arches. 'Flagship' is part of a top-quality exhibition strain, bred for strong stems, large blooms, and repeat flowering.

Plant Details

Type: Hardy annual
Height: 150–200 cm (with support)
Spread: 30–40 cm
Flowers: June – September
Position: Full sun; rich, well-drained soil

Growing Information

Sow: September - November / January - April
Germination: 10–21 days at 15–18°C
Tip: Soak seeds overnight before sowing to speed up germination
Transplant: Harden off and plant out after frost; provide strong support
Spacing: 20–30 cm apart
Care: Water regularly; pick flowers often to encourage more blooms

Why You’ll Love It

Highly fragrant blooms in deep, bold colours
Ideal for cutting and floral arrangements
Climbing habit for vertical interest
Long flowering with regular picking

Top Tip
Pinch out the tips of young plants once they reach 10–15 cm tall to encourage bushier growth and more flowering stems.

Perfect For

Cottage gardens and romantic borders
Arches, fences, and obelisks
Cut flower bouquets and perfumed displays
Gardeners who love vintage varieties

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