<ul> <li> Winter Density lettuce is known to be <span>heat and frost tolerant - ideal for growing all season long<br> <br> - Needs cold temps to germinate but will continue to grow all-season <br> <br> - Dark green leaves grow over 9" long<br> <br> - Similar to Romaine lettuce and Butterhead lettuce<br><br> </span> </li> <li> <b>Days to Maturity</b> | 30 days (small head of lettuce) to 60 days (full head head of lettuce)<br><br> </li> <li> <strong>Lettuce Seeds</strong> | Lettuce can be grown practically anywhere.  For leaf types seed should be sown thinly in rows 1 foot apart. For head, Bibb, and cos types, space rows 18 inches apart.<br><br><a href=https://www.seedsnow.com/collections/seed-personality-matures-in-45-days/products/"http://www.seedsnow.com/pages/grow-guide-lettuce" target="_blank">Click here for complete Lettuce grow guide</a> </li> </ul> <p> </p> <ul></ul> <p> </p> <ul></ul>" data-bread-crumbs="CA Zone 1;CA Zone 2;CA Zone 3;CA Zone 4;CA Zone 5;CA Zone 6;CA Zone 7;CA Zone 8;Can tolerate cold temperatures;Can tolerate hot temperatures;Direct sow;Fall;Grows well in shade;Grows well with containers;Grows well with hydroponic systems;Grows well with raised beds;Grows well with tower gardens;Lettuce;Matures in <45 days;Matures in <90 days;planting_cal;Spring;Start indoors;Summer;Super easy to grow;US Zone 1;US Zone 10;US Zone 11;US Zone 12;US Zone 13;US Zone 2;US Zone 3;US Zone 4;US Zone 5;US Zone 6;US Zone 7;US Zone 8;US Zone 9;Winter;">