Sweet Pea Old Spice 'Cupani' - 20 seeds (Lathyrus odoratus)

£1.24

Estimated Delivery between September 25 and September 27.

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Lathyrus odoratus 'Cupani'
Historic Old Spice sweet pea with exceptionally fragrant maroon and violet-purple flowers

Lathyrus odoratus 'Cupani' is a historic Old Spice sweet pea renowned for its exceptionally strong fragrance and distinctive bicoloured flowers. Each bloom combines rich maroon with deep violet-purple to blue-purple tones, creating the classic appearance associated with this old-fashioned sweet pea.

A vigorous annual climber reaching around 1.8–2.2 m, 'Cupani' is ideal for trellises, arches, obelisks and cottage garden planting. Its intensely scented flowers are excellent for cutting, and frequent picking encourages plants to continue producing fresh blooms throughout the flowering season.

Why You'll Love It

● Exceptionally strong, classic sweet pea fragrance

● Striking maroon and deep violet-purple bicoloured flowers

● Historic old-fashioned variety with distinctive character

● Excellent scented cut flower for bouquets and arrangements

● Vigorous climber providing summer colour and fragrance

Ideal For

● Scented gardens

● Cottage gardens

● Cut flower gardens

● Trellises and obelisks

● Garden arches and climbing supports

How to Sow & Grow (UK)
Sow indoors: October–March, preferably in deep pots or root trainers
Plant out: April–May, after hardening off; protect young plants from severe frost
Direct outdoors: April, once the soil has begun to warm
Flowering: May–September
Life cycle: Hardy annual climber
Germination temperature: 15–20°C (59–68°F)
Average germination time: 7–21 days
Depth: 10–20 mm (½–¾ in), cover seeds with compost
Light required: No – seeds are covered for germination
Moisture: Keep compost evenly moist but not waterlogged during germination and maintain consistent moisture during active growth
Environment: Full sun or light dappled shade
Soil type: Fertile, humus-rich, moisture-retentive but well-drained soil
Plant spacing: 15–30 cm (6–12 in)
Mature height: Approximately 180–220 cm (6–7 ft)
Expert Growing Tips

● For earlier flowering, sow in autumn and overwinter young plants in a cold frame or unheated greenhouse; spring sowing from late winter to early spring is also reliable.

● Sweet peas develop a deep root system, so use root trainers or deep pots when sowing under cover to give roots room to develop with minimal disturbance.

● To improve germination of hard-coated seeds, place them on moist kitchen paper until they swell before sowing; stubborn seeds can be carefully chipped opposite the seed scar. Soaking overnight is possible, but prolonged soaking can increase the risk of rotting.

● Pinch out the growing tip when seedlings reach approximately 7.5–10 cm (3–4 in) to encourage strong side shoots and bushier growth.

● Pick flowers frequently and remove fading blooms before seed pods develop, as allowing pods to mature reduces further flower production.

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