North America Non-native Plant

Hong Kong Kumquat

Botanical name: Fortunella hindsii

USDA symbol: FOHI

Native status: Not native but doesn't reproduce and persist in the wild

Hong Kong Kumquat: A Charming Citrus for Warm Climate Gardens Meet the Hong Kong kumquat (Fortunella hindsii), a delightful little citrus that packs big personality into a compact package. While this charming plant isn’t native to North America, it has won hearts worldwide with its fragrant blooms, glossy foliage, and ...

Hong Kong Kumquat: A Charming Citrus for Warm Climate Gardens

Meet the Hong Kong kumquat (Fortunella hindsii), a delightful little citrus that packs big personality into a compact package. While this charming plant isn’t native to North America, it has won hearts worldwide with its fragrant blooms, glossy foliage, and adorable miniature oranges that look almost too perfect to be real.

What Makes Hong Kong Kumquat Special?

This evergreen beauty stands out in the garden with several appealing features:

  • Small, fragrant white flowers that bloom throughout the year in ideal conditions
  • Glossy, dark green leaves that provide year-round interest
  • Tiny orange fruits that are actually edible (though quite tart!)
  • Compact growth habit perfect for small spaces and containers
  • Excellent candidate for bonsai enthusiasts

Where Does It Come From?

The Hong Kong kumquat is native to Hong Kong and southern China, where it thrives in subtropical conditions. In its homeland, it’s often found growing in mountainous regions and has adapted to a range of growing conditions.

Should You Plant It in Your Garden?

If you live in USDA hardiness zones 9-11, the Hong Kong kumquat can be a wonderful addition to your landscape. Here’s what to consider:

Reasons to grow it:

  • Beautiful ornamental value with flowers, fruit, and foliage
  • Attracts pollinators like bees with its fragrant blooms
  • Perfect for container gardening if you’re in cooler climates
  • Relatively low maintenance once established
  • Great conversation starter with its miniature fruits

Things to keep in mind:

  • Not cold-hardy below zone 9
  • Requires protection from frost
  • As a non-native plant, consider native alternatives for ecological benefits

Native Alternatives to Consider

While Hong Kong kumquat is lovely, you might also consider native plants that provide similar benefits to local wildlife. Depending on your region, native flowering shrubs or small trees can offer year-round interest while supporting local ecosystems.

Growing Hong Kong Kumquat Successfully

Light Requirements: This little citrus loves full sun but can tolerate partial shade. More sun typically means more flowers and fruit.

Soil Needs: Well-draining soil is essential. Like most citrus, Hong Kong kumquat doesn’t appreciate wet feet and can develop root problems in soggy conditions.

Watering: Keep soil consistently moist but not waterlogged. During hot weather, you may need to water more frequently, especially for container plants.

Climate Considerations: Hardy in zones 9-11, but can be grown in containers and brought indoors in colder climates during winter.

Planting and Care Tips

  • Plant in spring after the last frost danger has passed
  • Space plants adequately to ensure good air circulation
  • Fertilize during the growing season with a balanced fertilizer
  • Prune lightly after fruiting to maintain shape and size
  • Watch for common citrus pests like scale insects and aphids
  • In borderline hardy areas, consider planting in a protected location

Design Ideas and Garden Roles

Hong Kong kumquat shines in several garden settings:

  • Asian-inspired or zen gardens where its refined appearance fits perfectly
  • Mediterranean-style landscapes alongside other drought-tolerant plants
  • Container gardens on patios, decks, or balconies
  • As a specimen plant where its unique character can be appreciated up close
  • In greenhouse or conservatory collections

The Bottom Line

Hong Kong kumquat offers gardeners in warm climates a unique and attractive addition to their plant palette. While it may not provide the ecological benefits of native plants, it brings its own special charm with year-round beauty and the delightful surprise of tiny, edible oranges. Whether you’re drawn to its ornamental value, interested in growing your own miniature citrus, or looking for an unusual container plant, this little kumquat might just be the perfect fit for your garden.

Just remember to check your local climate conditions and consider native alternatives that might provide similar aesthetic appeal while supporting local wildlife. Happy gardening!

Hong Kong Kumquat

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Sapindales

Family

Rutaceae Juss. - Rue family

Genus

Fortunella Swingle - kumquat

Species

Fortunella hindsii (Champ. ex Benth.) Swingle - Hong Kong kumquat

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