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The Sweet Pea Seeds - Supersonic is a truly magnificent variety of sweet pea. A new and improved 'jet set' type with a re-selected habit, creating a beautiful, more compact plant. This makes the Sweet Pea Seeds - Supersonic ideal for flower pot and container displays to add not only a flurry of colour but sweetly scented fragrance too!

This very sweetly scented (Scent 4) Sweet Pea variety will look amazing sown into your flower beds and flower border displays this season. Creating compact, colourful plants, filled with all the traditional pastel colours of a typical Sweet Pea. A great twist on a cottage garden favourite. The Sweet Pea Seeds - Supersonic grows to a height of 101-150cm, making it perfect for cut flower displays too! Add them to your indoor flower arrangements for a beautiful and iconic scent throughout your home.

Sowing Information

For early flowering sow 3 seeds 13mm ( 1?2") deep per 10cm (4") pot in a greenhouse or indoors at 13-15°C (55-59°F). Plant out in April-May spacing them 15cm (10") apart. Alternatively, sow direct into moist, warm, weed-free soil where they are to flower 13mm ( 1?2") deep, in late April-May. Thin seedlings to achieve a final spacing of 15cm (10") between plants. May also be sown in September-October in a cold frame/unheated greenhouse. Plant out young plants in March-April to provide early blooms.

NEW 2025

Suttons Seeds - Sweet Pea 'Supersonic'

Regular price $5.99
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The Sweet Pea Seeds - Supersonic is a truly magnificent variety of sweet pea. A new and improved 'jet set' type with a re-selected habit, creating a beautiful, more compact plant. This makes the Sweet Pea Seeds - Supersonic ideal for flower pot and container displays to add not only a flurry of colour but sweetly scented fragrance too!

This very sweetly scented (Scent 4) Sweet Pea variety will look amazing sown into your flower beds and flower border displays this season. Creating compact, colourful plants, filled with all the traditional pastel colours of a typical Sweet Pea. A great twist on a cottage garden favourite. The Sweet Pea Seeds - Supersonic grows to a height of 101-150cm, making it perfect for cut flower displays too! Add them to your indoor flower arrangements for a beautiful and iconic scent throughout your home.

Sowing Information

For early flowering sow 3 seeds 13mm ( 1?2") deep per 10cm (4") pot in a greenhouse or indoors at 13-15°C (55-59°F). Plant out in April-May spacing them 15cm (10") apart. Alternatively, sow direct into moist, warm, weed-free soil where they are to flower 13mm ( 1?2") deep, in late April-May. Thin seedlings to achieve a final spacing of 15cm (10") between plants. May also be sown in September-October in a cold frame/unheated greenhouse. Plant out young plants in March-April to provide early blooms.