We're offering you a Sweetpea Three Times as Sweet for £6.99, saving you up to 50% off Thompson and Morgan's's price of £13.99 (correct as of 16.03.2026).

Add a Splash of Colour with Sweet Pea 'Three Times As Sweet'

Lathyrus odoratus, commonly known as sweet pea, is celebrated for its delicate beauty and irresistible fragrance. 'Three Times As Sweet' is the first cultivated tri-colour variety—bred exclusively by Thompson & Morgan (T&M)—showcasing marbled blooms in lavender-blue, burgundy, and white. This annual climber brings a truly unique aesthetic to any garden space.

• Breathtaking Blooms: The marbled flowers create a striking display from June through September, making your garden the envy of the neighbourhood.
• Alluring Fragrance: Enjoy the sweet scent that defines classic cottage gardens—perfect for patios, borders, or cutting gardens.
• Easy Care: Supplied as multisown plug plants (each with 5–6 seedlings), these sweet peas are simple to pot on or plant directly after the last frost.

Growing Guide

• Sowing/Planting Time: Plant plugs outdoors after the final frosts (typically late April–May).
• Soil Preference: Prefers fertile, well-drained soil with neutral to slightly alkaline pH.
• Sun Requirements: Full sun is essential for abundant flowering.
• Support: Provide trellis, netting, or obelisks for climbing stems up to 1.8m tall.
• Irrigation: Water regularly during dry spells; avoid waterlogging.

Care & Maintenance

• Pest Watch: Keep an eye out for aphids and slugs—protect young shoots as needed.
• Deadheading: Pick flowers frequently to encourage new blooms and extend flowering period.
• Feeding: Apply a balanced liquid fertiliser every two weeks during active growth.

The Perfect Choice For Your Garden

• 'Three Times As Sweet''s compact habit suits containers, window boxes, or traditional borders.
• Makes a stunning companion to climbing roses, clematis, or other annual vines with similar sunlight needs.

FAQs

• When is the best time to plant Sweet Pea 'Three Times As Sweet'?
  You should plant outdoors after the risk of frost has passed—usually late April or May in the UK.
• How tall will these sweet peas grow?
  This variety can reach up to 1.8 metres (6 feet) when given suitable support.
• Do I need to pinch out the growing tips?
  Yes—pinching out young plants encourages bushier growth and more flower stems throughout the season.