Chives are one of the easiest and most useful perennial herbs, with mild onion flavor and pretty purple flowers.
Zone 10B has a very long growing season with mild winters. Many crops can be grown nearly year-round with successive plantings.
Good companions: carrots, tomatoes, roses, grapes
Avoid planting near: beans, peas
Snip leaves to 2 inches above soil; regrows quickly
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.