Generally, the best time to plant gardenias is in the fall. In areas that get a light frost, plant gardenias at least 6 weeks prior to yourlocal fall frost date. In cooler regions (Zone 7), it’s best to plant in the spring, as this will ensure that the gardenia has plenty of tim...
Gardenias can bloom year-round in certain climates. Gardenia plants (Gardenia jasminoides) are prized for their distinctive flowers, heavenly smell and deep green leaves. ... Note that they grow best in USDA plant hardiness zones 8 through 11, but they can occasionally survive in zone 7...