Rex Butterhead Lettuce Seeds Aquaponics Better Oxygenation Around RootsIncreased airflow

Better Oxygenation Around RootsIncreased airflow in the root zone promotes stronger

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attractive butterhead appearance paired with strong stress tolerance makes it a standout choice for retail and farmers' markets

Rex Butterhead Lettuce Seeds Aquaponics Better Oxygenation Around RootsIncreased airflowSold 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