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Lactuca Genus

Lettuce

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General Needs

  • LightPart shade
  • SoilWell drained, Fertile
  • Soil pH6.0 to 7.0
  • WaterSemi-moist

Description

Lactuca genus (Lettuce). This genus has about 100 species. They do produce a number of common weeds but is best known in the form of 'Lactuca sativa', the common lettuce. Some species may be annuals, biennials or perennial and range in size. They can have large sprays of small blooms, which are often mauve or yellow. The species which are non-edible may contain very bitter compounds that have sedative properties and some have been used medicinally.

Characteristics

Annuals or Perennials, Vegetables or Herbaceous

Interest and use

Culinary

Cultivation

They will grow in any moist but well-drained soil with full sun or partial-shade. In a cool climates sow the seeds from early spring to late summer, in a warmer climate sow from autumn to mid-spring. You can propagate from seed. For tender, succulent leaves it is important that there is no check in growth, so ensure the soil remains moist. Shade the young plants in hot weather and feed at intervals with weak liquid manure.

Pests, diseases or disorders

Mildew, slugs and snails and aphids may be a problem

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