Lettuce

Lettuce

Family: Asteraceae
Genus: Lactuca
Species: L. sativa

Description

Lettuce belongs to the Compositae family. It grows in a basal rosette that gives life to a head that can take the form of spherical and elongated, and many variations between these two forms. Also the shape of the leaves as their color is also present very different depending on the variety. Below some head varieties.

Growing Sheet

Scientific name Lactuca sativa
Productivity cycle Annual
Recommended Seeding In Pots
Number of seeds 3
Sowing Depth 0.30 cm
Distance between rows 25 cm / 40 cm
Distance between rows 25 cm / 35 cm
Estimated number of plants/sqm 10.00
Average growing time 70 gg / 100 gg
Average sprouting time 6 gg / 7 gg
Produce per sqm 1.00 kg / 4.00 kg
Estimated growing sqm per person 2.0
Ideal Sprouting Temperature (C°) 14 °c - 18 °c
Min. Temperature (C°) -2 °c
Soil pH 6.00 / 7.00
Can be grown in pots yes

Variety

Redcross

Large clump, leaves edged in red

Redcross
Trocadero

Head of medium size, green-blond leaves 

Trocadero
Kagraner

Head of medium size, green

Kagraner
Great Lake

Large round clump, deep green color

Great Lake
Blonde de Paris

Head of medium-large, light green-blond

Blonde de Paris
Bionda degli ortolani
Head of medium size, pale green
Bionda degli ortolani
Marvel of 4 Seasons

Variety that grows a good sized compact head. It has blistered green leaves that are highly variegated with red.

Marvel of 4 Seasons
Romana verde degli ortolani

An Italian variety that is hardy and resists extremely well in high temperatures.
The head is elongated, not very compact and grows upright. The leaves are light green, broad and slightly blistered.

Romana verde degli ortolani
Salad bowl

This variety can be grown either to cut and come again or as a head. It is a hardy plant that adapts well to various climates and types of soil.
The leaves are light green, of a good size and have deeply lobed edges.  It has extremely good regrowth capacity and is very slow to bolt.

Salad bowl