Petunias are one of the most rewarding annuals for any gardener because they offer an exceptionally long flowering period. Generally, in autumn .
Petunias are long-blooming annuals that generally flower from late spring until the first hard frost of autumn.
Petunias are one of the most rewarding annuals for any gardener because they offer an exceptionally long flowering period. Generally, in autumn .
Petunias are long-blooming annuals that generally flower from late spring until the first hard frost of autumn. when do petunias flower