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.
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Sweet Pea 'Black Knight'
Sweet Pea 'Black Knight' is a crimson black, old-fashioned, highly scented sweet pea. More
| 20 seeds 040004 | £2.50 |
In stock
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Items will be despatched in 5-7 working days.
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Or buy this as part of our Venetian Sweet Pea Mix and Highly Scented Sweet Pea Seed Collection.
More Details
Sweet Pea 'Black Knight' is a crimson black, old-fashioned, highly scented sweet pea. 8/10 scent.
The result of Henry Eckford's work in the late 19th century is the Grandiflora group of sweet peas which, until this year, formed 90 per cent of the varieties I grow. They have what are now considered to be relatively small flowers and short stems with three, sometimes four flowers to a stem, but many of them are irresistible, with wonderful, strong scent and great dignity and elegance.
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. Sweet peas are all easy to grow and will fill your garden and house with the best scent ever.
| Genus | Lathyrus odoratus |
| Group/Species | Eckford grandiflora |
| Variety | Black Knight |
| 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. |
| 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 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.
Delivery
Seeds Delivery - Items will be despatched in 5-7 working days.
Click here to find out more information about our delivery rates and times.
Sweet Pea 'Black Knight' reviews
Average based on 1 review
What a fragrance! What a colour!
Reviewed 23rd February 2018 by Petra I have bought seeds several years ago. What a fragrance experience. The stems are not very long but it can be still cut and put in adequate vase to enjoy them. Just sitting nearby at dusk is unforgivable experience. I personally love the rich smell which carries well through the air and the rich colour which suits my garden fragrant scheme. I have been growing these peas since. |
