North America Non-native Plant

Cape Jasmine

Botanical name: Gardenia jasminoides

USDA symbol: GAJA

Life cycle: perennial

Habit: shrub

Native status: Non-native, reproduces and persists in the wild in Pacific Basin excluding Hawaii âš˜ Non-native, reproduces and persists in the wild in Puerto Rico  

Synonyms: Gardenia angusta Merr.,, database artifact (GAAN6)  âš˜  Gardenia augusta Merr., nom. illeg. (GAAU2)  âš˜  Gardenia florida L. (GAFL7)   

Cape Jasmine: The Fragrant Beauty That’s Not Quite What It Seems If you’ve ever caught a whiff of Cape jasmine’s intoxicating fragrance drifting through a warm evening breeze, you’ll understand why this plant has captured gardeners’ hearts for generations. With its pristine white blooms and glossy evergreen foliage, Cape jasmine ...

Cape Jasmine: The Fragrant Beauty That’s Not Quite What It Seems

If you’ve ever caught a whiff of Cape jasmine’s intoxicating fragrance drifting through a warm evening breeze, you’ll understand why this plant has captured gardeners’ hearts for generations. With its pristine white blooms and glossy evergreen foliage, Cape jasmine (Gardenia jasminoides) looks like it belongs in every garden – but there’s more to this beauty than meets the eye.

What Exactly Is Cape Jasmine?

Despite its common name suggesting otherwise, Cape jasmine isn’t actually a true jasmine at all! This perennial shrub is a member of the coffee family and goes by several botanical aliases, including Gardenia augusta and Gardenia florida. It’s a multi-stemmed woody plant that typically stays under 13-16 feet tall, making it a perfect size for most home landscapes.

Where Does Cape Jasmine Call Home?

Here’s where things get interesting: while Cape jasmine might feel perfectly at home in your garden, it’s not actually native to most of the United States. This charming shrub originally hails from Asia, including China, Japan, and parts of Southeast Asia. In the U.S., you’ll find established populations in Guam, Palau, and Puerto Rico, where it has naturalized and reproduces on its own in the wild.

The Appeal: Why Gardeners Fall Head Over Heels

Cape jasmine is like that friend who always looks put-together – its glossy, dark green leaves provide year-round beauty, while the creamy white flowers steal the show from late spring through summer. But the real magic happens at dusk, when those waxy blooms release their legendary fragrance that can perfume an entire yard.

The flowers are particularly beloved by:

  • Moths and other nighttime pollinators who navigate by scent
  • Anyone who appreciates natural perfume in their garden
  • Gardeners looking for elegant, formal landscape elements

Perfect Spots for Cape Jasmine

This sophisticated shrub shines in:

  • Formal garden settings where its neat appearance adds structure
  • Fragrance gardens near patios or windows
  • Tropical and subtropical landscapes
  • Container gardens for those in cooler climates
  • As specimen plants or informal hedges

Growing Cape Jasmine Successfully

Cape jasmine can be a bit of a diva, but give it what it wants, and it’ll reward you handsomely. This plant thrives in USDA hardiness zones 8-11, so northern gardeners will need to treat it as a container plant that winters indoors.

The Perfect Growing Conditions

  • Soil: Well-drained, acidic soil (pH 5.0-6.5) is non-negotiable
  • Light: Morning sun with afternoon shade, or filtered light all day
  • Water: Consistent moisture without waterlogging
  • Humidity: Loves humid conditions – mist regularly in dry climates

Planting and Care Tips

Plant Cape jasmine in spring after the last frost, and choose your spot carefully – these shrubs don’t love being moved once established. Feed with an acid-loving plant fertilizer regularly during growing season, and prune lightly after flowering to maintain shape. In borderline hardy areas, plant in a protected location or grow in containers that can be moved indoors.

The Native Alternative Consideration

While Cape jasmine isn’t considered invasive, eco-conscious gardeners might want to consider native alternatives that provide similar benefits to local ecosystems. Depending on your region, native options like wild azaleas, native viburnums, or buttonbush can offer fragrant blooms and support local wildlife more effectively.

The Bottom Line

Cape jasmine is undeniably gorgeous and wonderfully fragrant, making it a tempting addition to any garden in suitable climates. If you choose to grow it, you’ll be rewarded with one of the most heavenly scented flowers nature has to offer. Just remember that while it may not be native to your area, responsible gardening means being mindful of how our plant choices impact local ecosystems – and maybe saving a spot for some native beauties too!

Cape Jasmine

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Gardenia Ellis - gardenia

Species

Gardenia jasminoides Ellis - Cape jasmine

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA