Seed Swaps

Lettuce 'Black seeded simpson'   

Lactuca sativa

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Black seeded simpson is a popular variety of Lettuce, which belongs to the Lettuce genus (Lactuca sativa 'Black seeded simpson'). Black seeded simpson is generally thought of as a heirloom open-polliated variety. Leaves appear approximately as a   Green-yellow and   Light green colour.

Introduced in 1850.
Bright green, sweet tasting, large leaves. Slow to bolt.

An annual, so it will last but a year in its native climate. Normally reaching to a mature height of 7.8 inches (20.0 cm), Black seeded simpson grows with a stemless-like growth habit.

As Black seeded simpson Lettuce is a low maintanence plant, it is great for beginner gardeners and those that like gardens that don't need much overseeing.

This variety plant info is provided by the myfolia gardener's wiki. All details about Black seeded simpson have been kindly provided by our members.

How to grow Black seeded simpson

  • Full Sun

  • High

Enjoys a full sun position in your garden and remember to water often. Keep in mind when planting that Black seeded simpson is thought of as tender, so it is really important to ensure that the outside temperature is well above freezing before planting or moving outdoors. Use USDA Hardiness Zone 4 - 9 as your guideline for the appropriate climate for this plant. Ensure your soil is loamy and has a ph of between 6.2 and 6.8 as Lettuce is a weakly acidic soil loving plant.

Growing Black seeded simpson from seed

Look to ensure a distance 7.92 inches (20.3 cm) between seeds when sowing - bury at a depth of at least 0.49 inches (1.25 cm) deep. Soil temperature should be kept higher than 5°C / 41°F to ensure good germination.

By our calculations, you should look at sowing Black seeded simpson about 60 days before your last frost date.

Transplanting Black seeded simpson

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Black seeded simpson is a tender plant.

By our calculations, you should look at planting out Black seeded simpson about 45 days before your last frost date.

Harvesting Black seeded simpson

This variety tends to be ready for harvesting by early autumn.

Black seeded simpson folklore & trivia

Introduced in 1870 by Peter Henderson & Co.

Misspellings of Lettuce 'Black seeded simpson'

Black-seeded Simpson

Other Names for Lettuce 'Black seeded simpson'

Simpson de semilla negra, Henderson’s Black-Seeded Simpson,

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