Snapdragons are cool-season workhorses that bloom prolifically in spring and fall.
Zone 7B enjoys a long growing season. You can often get two plantings of cool-season crops (spring and fall).
Good companions: other cool-season flowers and vegetables
Avoid planting near: none in particular
Flowering in 70-80 days from seed; excellent cut flowers
USDA Hardiness Zone 7B has an average last spring frost around Mar 28 and first fall frost around Nov 3. 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.