give its cool - season nature , it ’s pretty easy to grow simoleons in California throughout much of the state . To maximise your lettuce growing succeeder , it ’s all-important to understand California ’s USDA hardiness zone , which will guide you on when to depart seeds , when to plant alfresco , and when to reap . This guide provides detailed insights for lettuce growers across California ’s hardiness zones , which range from 5a to 11b .
Understanding California’s Hardiness Zones
California spans a extensive range of USDA Hardiness Zones from 5a to 11b :
Starting Lettuce Seeds Indoors
commence gelt seeds indoors allows you to get a head teacher start on the grow time of year .
Plant the ejaculate about 1/4 column inch deep in a caliber germ - start mix . Keep the grease consistently moist . Once sprouted , provide ample light source to the seedlings .
When To Plant Lettuce in California
Transplant seedlings or sow semen directly into your garden once the risk of a heavy hoar has passed .
Choose a garden location with salutary sunlight , but also some aegis from vivid twelve noon sun . Space your lolly plant about 8 to 12 column inch apart . The dirt should be kept consistently moist , and mulching can facilitate continue soil wet and ascendancy weeds .
Succession Planting
Succession shekels in California involves sowing low batches of seeds at regular intervals to ascertain a continuous harvest throughout the grow season . This method acting allows you to enjoy a unfaltering supply of fresh sugar without experiencing a surplus or dearth all at once . Here ’s a footfall - by - step scout on how to do succession planting with scratch :
By following this succession planting method acting , you could savor a uninterrupted supply of fresh lettuce throughout the grow season , ensuring a steady harvesting of this delicious and nutritious leafy common .
When to Harvest Lettuce in California
Lettuce can be reap at various stages of outgrowth . For leaf lettuce , you may begin harvest when the leaf are large enough to eat , typically about 4 - 5 week after plant . you may either foot item-by-item leave of absence or cut the total plant life at the base , which may boost a 2d growth .
For head dough mixture like iceberg or romaine , harvest home usually happens around 60 to 70 days after found when the head have formed and feel firm .
Remember , lettuce can bolt or go to seed in high-pitched temperature , precede to bitter parting . To avoid this , reap your wampum during the nerveless parts of the twenty-four hours and increase your harvest relative frequency as temperatures rise .
