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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When in stock, please allow up to 1 week for delivery.
4 seedlings 190323-4 £6.95
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Or buy this as part of our Highly Scented Sweet Pea Seed Collection and Venetian Sweet Pea Mix.

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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
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.

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.

Delivery

Plant Delivery - When in stock, please allow up to 2 weeks for delivery.

Seeds Delivery - When in stock, please allow up to 1 week for delivery.

Next Day Delivery - Available for next day delivery if ordered before 12:30pm, Monday to Thursday. Applies to in stock seeds and hardware items only.

Click here to find out more information about our delivery rates and times.

Sweet Pea 'Black Knight' reviews

* * * * - Average based on 3 reviews

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Reviewed 31st July 2019 by Pamela

Have already explained in my first answer.

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Reviewed 31st July 2019 by Christine

As above, blooming well. I am not happy that the survey will not let me continue unless I write mor, tempted to give up at this stage, especially since it is sopposed to be optional,

What a fragrance! What a colour!

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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.