Butterhead lettuce needs 60–70 days and 60–70°F. Get the sowing count-back, cultivar sizes, and how to stop lower leaves rotting on wet soil.
Iceberg lettuce takes 70 to 80 days and cool weather to form a head. Count back from your first 75°F highs to find your sowing date, spacing and fixes.
Your lettuce bolts above 75°F, tips burn from calcium starvation — not deficiency — and summer seeds fail from thermoinhibition. Here’s the fix for each.
Find out which companion plant suppresses lettuce aphids up to 50 feet away — and why radishes belong in every row you plant.
These 8 indoor lettuce varieties grow on any sunny windowsill and deliver fresh leaves in 45 days — including the tipburn fix most indoor growers miss.
Choose the right lettuce type for your garden — loose-leaf, butterhead, romaine, and summer crisp compared by heat tolerance, season, and nutrition, with cultivar picks included.
Learn the cut-and-come-again lettuce technique — 3 harvesting methods, zone-by-zone timing, variety comparison, and bolting signals to extend your harvest to 6+ picks.