Jasmine Care: Outdoor Hardy and Tropical Types
Outdoor jasmine includes both hardy shrub species and tender tropical vines — cold hardiness varies by 20 zones across the genus, and choosing the wrong species for your climate is the most common mistake.
Jasmine species — identification and cold hardiness
The genus Jasminum contains over 200 species. North American gardeners encounter three main outdoor types, each with a very different zone range.
Winter jasmine (Jasminum nudiflorum)
The hardiest garden jasmine. A sprawling, semi-evergreen shrub with bright yellow flowers on bare green stems in late winter — January through March, before leaves appear. Per Missouri Botanical Garden, winter jasmine is hardy in USDA zones 6–10 and "is valued primarily for its early bloom season — it is often the first shrub to flower, sometimes even through light snow." It is not fragrant, unlike most other jasmines. Best used on slopes, banks, or as a groundcover since it is not a true twining vine.
Common jasmine / poet's jasmine (Jasminum officinale)
The classically fragrant jasmine, with intensely sweet white flowers from June through September. A vigorous twining vine that can reach 15–30 feet. Per Clemson HGIC, common jasmine is hardy in zones 7–10. In zone 6 it may survive with protection but often dies to the ground in severe winters. The fragrance is most pronounced in the evening, which is why it was traditionally planted near windows and seating areas.
Arabian jasmine (Jasminum sambac)
The tender tropical jasmine used in tea and leis. Very fragrant, compact, evergreen. Per UF IFAS Gardening Solutions, Arabian jasmine is hardy only in USDA zones 9–11 and is grown primarily as a container plant, patio plant, or greenhouse specimen in colder climates. It is the species most commonly sold as a houseplant under the name "jasmine." Outdoors, it requires frost-free conditions year-round.
Confederate jasmine (Trachelospermum jasminoides)
Not a true jasmine, but widely sold and commonly called jasmine due to its fragrance. Hardy in zones 7b–10. Per UF IFAS Gardening Solutions, Confederate jasmine is "one of the most fragrant vines in cultivation" and is used extensively as a trellis vine, groundcover, and foundation plant across the Southeast. More cold-hardy than Arabian jasmine but less hardy than common jasmine in zone 6.