Follow these recommendations for successful selection, sowing, and cultural production of baby-leaf leafy crops to be harvested as greens or salad mix components. Techniques are specific to baby leaf production for harvest at this maturity stage. This tech sheet outlines basic small-scale field production methods and primary aspects of producing a wide range of leafy salad greens.
This series of lettuce varieties represents the latest breeding advances for hydroponic production, offering specific improvements in growth rate, weight, yield, compact and upright habits for ease of harvest, tipburn/bolting tolerance, robust disease packages, and deep pigmentation that holds well in indoor setups. Make some space this upcoming cycle and try them alongside your own personal hydroponic favorites.
A full-color, downloadable and printable (PDF) version of our Full-Size Leaf Lettuce Variety Comparison Chart.
A full-color, downloadable, printable (PDF) version of Johnny's Full-size Head Lettuce Planting Program, to provide your customers with lettuce throughout the seasons.
The first step to success with growing lettuce is learning which varieties best suit your purposes. From one-cut types to babyleaf, full-size to mini heads, here are the basics of selecting and growing lettuce in its many forms, with useful tips from Johnny's Research Team.
Key Growing Information

Lettuce | Key Growing Information

Written by our research team, this reference contains the essential information for growing LETTUCE. Learn how to grow romaine, butterhead, iceberg, summercrisp and other types of full-size head or babyleaf, organic and heirloom lettuce, from Johnny's Selected Seeds.
Johnny's Lettuce Quick-Reference Chart is a table that lists every lettuce type, all the varieties within that type, all the seed type available for each variety, and all the viable production methods for each variety: baby leaf, mini head, and full-head production. Types include Heritage, Salanova, Romaine/Cos, Butterhead (Boston), Bibb, Iceberg, Leaf, Summer Crisp, Oakleaf, and Lollo, with dozens of lettuce varieties listed.
A full-color, downloadable and printable (PDF) version of our Full-size Romaine (Cos) Lettuce Variety Comparison Chart.
A full-color, downloadable, printable (PDF) version of our Individual Salanova Varieties Comparison Chart.
Follow the instructions in Johnny's Salanova Lettuce Tech Sheet for successful production; includes detailed information on culture, thermal dormancy, transplanting, direct seeding, harvesting, and post-harvest handling.
Grow tender, crisp, delicious head lettuces throughout the seasons with Johnny's Head Lettuce Planting Program. Learn which varieties are the most Quick-Growing, Cold-Tolerant, Bolt-Resistant, Disease-Resistant, or Heat-Tolerant for optimal yield in Cool Season, Mid Season, and Late Season production slots.