In greenhouses, lettuce can be planted throughout the year and growing period will normally be between half and two-thirds of the time required by open field production.
Eka ti greenhouses, lettuce yinga byariwa lembe hinkwaro naswona nkarhi wokula wutala kuva exikarhi ka hafu na 2/3s wa nkarhi lowu yitekaka wona eka nsimu leyi pfulekeke.