Echinacea (coneflower) is a beautiful native perennial that supports pollinators and has medicinal uses.
Zone 9A has a very long growing season with mild winters. Many crops can be grown nearly year-round with successive plantings.
Good companions: black-eyed Susans, grasses, lavender, bee balm
Avoid planting near: none — echinacea is a great garden citizen
Blooms first year from transplant, second from seed; leave some for wildlife
USDA Hardiness Zone 9A has an average last spring frost around Feb 28 and first fall frost around Nov 28. 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.