Kale is an extremely cold-hardy green that actually tastes better after frost.
Zone 10B has a very long growing season with mild winters. Many crops can be grown nearly year-round with successive plantings.
Good companions: beets, celery, herbs, onions, potatoes
Avoid planting near: strawberries, tomatoes
50-65 days from seed (baby leaves at 25 days)
USDA Hardiness Zone 10B has an average last spring frost around Jan 15 and first fall frost around Dec 31. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.