Sweet Pea 'Black Knight'

* * * * * Based on 1 review
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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Or buy this as part of our Venetian Sweet Pea Mix and Highly Scented Sweet Pea Seed Collection.

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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
How to grow sweet peas from seed

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

How to cordon train your sweet peas

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

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Sweet Pea 'Black Knight' reviews

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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.
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