Most people do not realize that these hardy gardenias can be planted outside year round and they will bloom all summer. There are hardy and there are tender gardenias. The hardy will grow outside all year long and the tender must be taken inside. You can plant some hardy ones now so they will establish prior to winter.Click to see full answer. Consequently, is a gardenia a perennial or an annual?Gardenia (Gardenia jasminoides), a woody perennial shrub, grows in U.S. Department of Agriculture plant hardiness zones 8 through 11. If you’re growing gardenias in a cooler climate, plant them in containers and bring them indoors for the winter.Likewise, how many times a year do gardenias bloom? Two corsage gardenias, “Mystery” and “August Beauty,” bloom heavily in May and June, followed by a second flowering in late summer to early fall. “Kleim’s Hardy” bears profuse blossoms, with a heady fragrance, in early summer. All grow on sun-loving evergreen shrubs, generally reaching the 4- to 6-foot range. Also asked, will gardenias come back after winter? If gardenias do freeze during the winter months, prune them down to ground level; they may grow new foliage and bloom the following summer.How long does a gardenia flower last? 50 years old
