Chives are one of the easiest and most useful perennial herbs, with mild onion flavor and pretty purple flowers.
Zone 10A 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 10A has an average last spring frost around Feb 1 and first fall frost around Dec 20. 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.