20 seeds 040048 £3.50 In stock
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The darkest, richest, highly-scented mix of sweet peas, with the stippled 'Lilac Ripple' to add a bit of brightness.

This exclusive mix includes:

Over the last 15 years we've trialled almost 100 different varieties of sweet peas, looking for delicious scent as our number one requirement. These are the very best varieties, pinched out for strong, long-flowering and highly productive plants.

No garden is complete without sweet peas. Grow them over arches, teepees and trellis and plant them with your runner beans to draw lots of insect pollinators into your veg patch.

We sow our highly-scented, old-fashioned sweet pea seeds in the winter, as well as in the spring, so that you will have excellent productive plants throughout the summer.

Genus Lathyrus odoratus
Type Hardy Annual Climber
Common Name Sweet Pea
Border Position Climber
Soil Type Fertile, Neutral
Scent Scented
Site Full Sun
Moisture Moist but Well-drained
Height 2 metres (6ft)
Spacing Plant out, 2 plants to a vertical support, 15cm (6in) apart in a mild spell in March-May.
Sowing, Seeds, Planting Sow October-December or January-March, 2 seeds into 1 rootrainer. When roots fill container, pot on 2 seedlings together into a 1 litre pot. Pinch out tips when plants have 4 pairs of leaves. If autumn sown, overwinter in a light, cool place. Sweet peas often have quite a hard seed coat so it may help to soften the seed before sowing. To do this, place the seeds on some damp kitchen paper and pop them in a warm spot. Once the seeds start to swell or sprout they are ready to sow. If the seeds don’t seem to be swelling you can try making a small nick in the seed coat (opposite the ‘eye’) as this will help moisture enter the seed and kick-start the germination process.
Care Tips Remove the climbing tendrils as they grow. Tie the stem into your framework on a regular basis. Can be grown in deep container pots up a climbing frame. Find out how to cordon train your sweet pea in Sarah's how-to guide.
Flowering May - August (winter-sown) or June - September (spring-sown), or 12-14 weeks from spring-sowing of seed.
Vase Life 4-5 days. Avoid direct sunlight and heat. This has a beautiful scent.
Harvesting Keep picking as often as you can.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest
Advice & Videos
How to sow sweet peas in winter

Sarah shows you how to sow sweet pea seeds in the winter for more productive plants in the summer months.

How to cordon train your sweet peas

Discover how to cordon train your sweet peas for magnificent plants.

The sweet pea story

 Find out the fascinating story behind the sweet pea.

How to tie in your sweet peas

In this quick video, Sarah shows you how to tie in your sweet peas for greater production and straighter, longer stems.

Why you should deadhead your sweet peas

Sarah shows you how to deadhead your sweet peas, and tells you why it's important to do so, along with her philosophy of 'the generous gardener gets...

How to make a sweet pea table centrepiece

Sarah shows us how to make a really quick and easy, colourful table centrepiece with sweet peas, something that is perfect for a summer party or...

Sweet peas at Perch Hill

Read about how we grow our sweet peas at Perch Hill.

How to grow sweet peas from seed

Find the best method of growing sweet peas from seed for strong, productive plants.

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Onyx Sweet Pea Mix reviews

* * * * * Average based on 1 review
What a show!

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Reviewed 4th July 2014 by Carolyn White

I bought this collection of plants for my goddaughter's birthday this year. She is picking bunch after bunch for herself and to give away. She sent me a photo and I can only say Wow!
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