Sweet Pea Heirloom Black Knight

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The extremely dark purplish-maroon blooms are almost black and very fragrant.

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Sweet Pea Heirloom Black Knight

Sweet Pea Heirloom Black Knight. A very attractive Heirloom Grandiflora variety introduced by Eckford in 1898. The extremely dark purplish-maroon blooms are almost black and very fragrant.

Cultivation Advice Sweet Pea Heirloom Black Knight

Days To Germination: 10-14 days.

Optimum Soil Temp for Germination 70F.

Planting Depth: ½ -1 inch.

  • Seed is best started undercover from 4-6 weeks before last frost in pots,
  • thinning to individual plants when large enough (transplant the thinning’s).
  • Cover seeds with 1 inch of soil.
  • Soaking seeds overnight can aid germination, although not essential.
  • Keep soil moderately moist during germination.
  • Pinch the top of the growing shoot out when 2 inches high to encourage stronger side shoots.
  • Transplant when young seedlings are about 2 inches high and after all danger of frost has passed.
  • Space 6-12 inches apart.
  • Provide netting or trellis for support when plant is 3-6 inches tall.
  • Please note, especially around children – these seeds are poisonous if ingested.