North America Non-native Plant

Garcinia

Botanical name: Garcinia kola

USDA symbol: GAKO

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

Garcinia: The African Bitter Kola Tree That’s More Than Just Exotic Meet Garcinia kola, commonly known as garcinia or bitter kola – a fascinating evergreen tree that’s been cherished in West African cultures for centuries. While this tropical beauty might not be the first plant that comes to mind for ...

Garcinia: The African Bitter Kola Tree That’s More Than Just Exotic

Meet Garcinia kola, commonly known as garcinia or bitter kola – a fascinating evergreen tree that’s been cherished in West African cultures for centuries. While this tropical beauty might not be the first plant that comes to mind for your backyard garden, it’s worth understanding what makes this species special and whether it could find a place in your landscape.

Where Does Garcinia Come From?

Garcinia kola calls the warm, humid forests of West and Central Africa home, thriving naturally in countries like Nigeria, Cameroon, Ghana, and the Ivory Coast. In these regions, it’s not just another tree – it’s a cultural cornerstone, valued for both its medicinal properties and its role in traditional ceremonies.

What Does This Tree Look Like?

Picture a medium-sized evergreen tree that can reach 30-60 feet tall in its native habitat, though it typically stays smaller in cultivation. The garcinia boasts:

  • Glossy, dark green leathery leaves that catch the light beautifully
  • Small, creamy-yellow flowers that appear directly on branches and trunk
  • Orange-red fruits about the size of a large orange
  • A naturally rounded, dense canopy that provides excellent shade

Can You Grow Garcinia in North America?

Here’s where things get a bit challenging for most North American gardeners. Garcinia kola is strictly a tropical plant, thriving only in USDA hardiness zones 10-12. This means it’s really only suitable for:

  • Southern Florida
  • Hawaii
  • Southern Texas (in protected microclimates)
  • Greenhouse cultivation in colder areas

If you live outside these areas, you’d need to treat it as a container plant that winters indoors – and even then, success isn’t guaranteed without proper humidity and warmth.

Growing Conditions: What Garcinia Needs to Thrive

Think tropical rainforest and you’ll understand what makes this tree happy:

  • Temperature: Consistently warm (70-85°F), never below 60°F
  • Humidity: High humidity levels (60-80%)
  • Soil: Well-draining but moisture-retentive, fertile soil rich in organic matter
  • Water: Regular, consistent moisture – never let it completely dry out
  • Light: Partial to full sun, though it appreciates some afternoon shade in very hot climates

Garden Role and Landscape Design

In suitable climates, garcinia makes an excellent:

  • Specimen tree for tropical landscapes
  • Shade tree for patios and outdoor living spaces
  • Addition to food forest or edible landscape designs
  • Focal point in botanical or ethnobotanical gardens

Its dense canopy and attractive foliage make it a natural choice for creating tropical ambiance, while the cultural significance adds an educational element to any garden.

Planting and Care Tips

If you’re in the right climate zone and ready to take on this tropical challenge:

  • Planting: Choose a protected location away from strong winds
  • Spacing: Allow plenty of room – this tree needs space to spread
  • Mulching: Use organic mulch to retain moisture and regulate soil temperature
  • Fertilizing: Feed with balanced fertilizer during the growing season
  • Pruning: Minimal pruning needed, just remove dead or damaged branches

Wildlife and Pollinator Benefits

While not native to North America, garcinia does offer some benefits to local ecosystems where it can grow:

  • Small flowers attract various pollinators, including bees and small insects
  • Fruits may be eaten by birds and other wildlife (though they’re quite bitter for human taste)
  • Dense foliage provides nesting sites and shelter

The Bottom Line: Should You Plant Garcinia?

Garcinia kola is undoubtedly interesting and culturally significant, but it’s not practical for most North American gardeners. Unless you live in the most tropical parts of the continent or have a serious commitment to greenhouse gardening, you might want to consider native alternatives that offer similar benefits with far less fuss.

For tropical shade and exotic appeal in suitable climates, consider native options like live oak (Quercus virginiana) in the Southeast, or native Hawaiian species if you’re in the islands. These will provide similar landscape benefits while supporting local ecosystems more effectively.

That said, if you’re in zone 10-12 and love the challenge of growing something truly unique with deep cultural significance, garcinia might just be the conversation starter your tropical garden needs!

Garcinia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Theales

Family

Clusiaceae Lindl. - Mangosteen family

Genus

Garcinia L. - saptree

Species

Garcinia kola Heckel - garcinia

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