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In our opinion, Summer Crisp (aka Batavian) lettuces are the absolute finest group of lettuces to grow. They can be produced under cool conditions (like other lettuces), yet still will be standing, long after other heat resistant lettuces have bolted.
Pick leaves at baby size, or allow plants to head. Summer Crisp lettuce can be harvested by removing a few of the outer leaves of the head; the plants will continue to grow and produce. Or alternatively, harvest entire large, gorgeous head at once. Leaves are thick, juicy, and flavorful. Summer Crisp lettuces are extraordinarily heat tolerant.
Organically grown. A versatile, heat-resistant multicolored lettuce is ideal to grow just about any time of the year. Showy, ruffled leaves have an incomparable crisp, juicy texture. Harvest individual leaves or as dense, crunchy heads.
Organically grown. Dense, globe-shaped heads are intense red with a light green center. Heat and mildew resistant, the ruffled leaves are mild, tender and crunchy.
Organically grown. Cardinale’s crisp, succulent, rich-tasting, red and green leaves are extremely heat resistant; excellent for baby leaf or full size head production. Leaves turn brilliant purple-red if planted in full sun when nights are cool. Master Gardeners of Santa Clara County, CA trialed 13 red lettuce varieties, Cardinale (seed provided by Swallowtail Garden Seeds) placed first.
Organically grown. Lacy toothed outer leaves surround tidy medium green heads. A heat tolerant French heirloom from the 1800s.
Organically grown. Exceptionally sweet, thick, juicy leaves for baby lettuce or full size-heads. Tolerates warm and cool weather, is disease resistant and easy to grow. Concept exhibits the characteristics of both romaine and summer crisp lettuce. As the vase-shaped plants mature, the whorled leaves close into a tight head. Packet is ½ gram, about 400 seeds.
Large, upright, brilliant, deep red heads deliver a crunchy, nutty flavor that is among the best of all lettuces. Incredibly heat tolerant and disease resistant, Cherokee will thrive even under difficult conditions.
Forms large, handsome, ruffled, heavy, heat tolerant heads with an outstanding, juicy nutty flavor - it is among the best tasting of all lettuces. The crunchy textured, buttery smooth leaves may also be harvested individually.
Sow seed in cell packs or flats, press into soil and cover lightly. Kept at 65°F., germination averages 7-14 days. Can direct sow into prepared seed beds 1 inch apart in rows 12-18 inches apart. Thin to 12 inches apart.