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botanical name:
Lactuca sativa 'Marshall'
Lactuca sativa 'Marshall' © Deeproot Plant Base
common name:  Lettuce 'Marshall'
family:  Asteraceae
characteristics: annual/biennial
height: 0.25m
width: 0.30m
growth rate: fast
growth habit:
leaf colour: red & green
flower colour:
main season: Summer
edible symbol edible
aspect: full sun, part shade
conditions: moist soil, sandy soil
preferred soil pH: neutral
minimum temp: -18°C
USDA zone: 7 to 11
description:
'Cos' type lettuce, with dark burgundy-red flushed leaves. Fast growing, can be picked young or left to form compact heads. Crisp with a good flavour.

cultivation:
Rich, moist but free draining soil, preferably about neutral pH, in sun or with a little shade from hot sun and shelter from strong winds. Avoid polluted air or soil conditions. Soil with very high nitrogen levels results in bitter tasting leaves. May need frequent watering in dry seasons.
Slugs and snails can be a problem.

propagation:
From seed, best sown in succession from spring to midsummer.

usage:
Salad vegetable. Very decorative and useful in potagers.

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