Rex Butterhead Lettuce Seeds Environmental Controls High temperature limit protection

High temperature limit protection

HypoGrow* improves plant health and growth rates

Summer Crisp Lettuce

or specialty crops

making it an ideal choice for most hydroponic and greenhouse setups

Rex Butterhead Lettuce Seeds Environmental Controls High temperature limit protectionSold in cans of 5000 seeds. Rex (LET2003) is a trusted bibb style (butterhead) lettuce hybrid, widely regarded as a greenhouse and hydroponic standard. Known for its reliability across all seasons, and particularly valued during spring and summer, Rex delivers consistent performancethanks in part to strong tolerance for tip burn and bolting. It forms smooth, clear heads with thick, dark green leaves and exhibits excellent resistance to various downy