North America Non-native Plant

Bergamot Orange

Botanical name: Citrus ×aurantium bergamia

USDA symbol: CIAUB

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

Synonyms: Citrus bergamia Risso & Poit. (CIBE2)   

Bergamot Orange: The Fragrant Citrus Behind Your Favorite Tea If you’ve ever sipped a cup of Earl Grey tea and wondered about that distinctive floral aroma, you’ve experienced the magic of bergamot orange (Citrus ×aurantium bergamia). This unique citrus hybrid isn’t your typical orange tree – it’s a specialty fruit ...

Bergamot Orange: The Fragrant Citrus Behind Your Favorite Tea

If you’ve ever sipped a cup of Earl Grey tea and wondered about that distinctive floral aroma, you’ve experienced the magic of bergamot orange (Citrus ×aurantium bergamia). This unique citrus hybrid isn’t your typical orange tree – it’s a specialty fruit that’s captured the hearts of tea lovers and gardeners alike with its incredibly fragrant essential oils.

What Makes Bergamot Orange Special?

Bergamot orange, also known by its scientific name Citrus ×aurantium bergamia (with the synonym Citrus bergamia Risso & Poit.), is a small evergreen tree that produces distinctively pear-shaped, yellow-green fruits. Unlike other citrus fruits you might snack on, bergamot oranges are primarily grown for their aromatic peel, which contains the precious essential oils used in perfumes, cosmetics, and of course, Earl Grey tea.

The tree itself is quite attractive, featuring glossy, dark green leaves and fragrant white flowers that bloom in spring. When in full bloom, a bergamot orange tree can perfume an entire garden with its sweet, citrusy scent.

Where Does Bergamot Orange Come From?

This aromatic citrus hails from the Mediterranean region, specifically southern Italy, where the Calabria region remains the world’s primary producer of bergamot oil. The warm, sunny climate and specific soil conditions of this area create the perfect environment for these trees to thrive and develop their signature fragrance.

Should You Plant Bergamot Orange in Your Garden?

Whether bergamot orange is right for your garden depends largely on your climate and gardening goals. Here are some key considerations:

The Good News

  • Beautiful ornamental tree with year-round interest
  • Incredibly fragrant flowers that attract pollinators like bees
  • Unique, aromatic fruit for essential oil production
  • Can be grown in containers in cooler climates
  • Relatively compact size makes it suitable for smaller gardens

The Challenges

  • Only hardy in USDA zones 9-11
  • Requires consistent warmth and protection from frost
  • Fruit is not typically eaten fresh (quite bitter!)
  • May need special care in areas outside its native range

Growing Bergamot Orange Successfully

If you live in a warm climate or are willing to grow bergamot orange in containers, here’s how to help it thrive:

Ideal Growing Conditions

  • Sunlight: Full sun (at least 6-8 hours daily)
  • Soil: Well-draining, slightly acidic to neutral soil
  • Water: Regular watering, but avoid waterlogged conditions
  • Temperature: Warm temperatures year-round; protect from frost

Planting and Care Tips

  • Plant in spring after the last frost date
  • Space trees 12-15 feet apart if planting multiple specimens
  • Mulch around the base to retain moisture and regulate soil temperature
  • Prune lightly in late winter to maintain shape and remove dead wood
  • Feed with citrus-specific fertilizer during the growing season
  • In colder areas, grow in large containers that can be moved indoors

Consider Native Alternatives

While bergamot orange can be a delightful addition to warm-climate gardens, consider exploring native citrus or citrus-like plants in your area. These might include native wild oranges, native flowering trees with similar aesthetic appeal, or regional plants that provide comparable benefits to local wildlife and pollinators.

The Bottom Line

Bergamot orange is a fascinating specialty citrus that can add unique fragrance and beauty to the right garden. While it requires specific growing conditions and isn’t suited for all climates, gardeners in warm regions or those willing to grow container plants may find it a rewarding addition. Just remember – this tree is all about the aroma, not the snacking!

Whether you’re a tea enthusiast curious about growing your own bergamot or simply drawn to fragrant, unusual plants, bergamot orange offers a distinctive gardening experience that’s sure to spark conversation among visitors to your garden.

Bergamot Orange

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

Citrus L. - citrus

Species

Citrus ×aurantium L. (pro sp.) [maxima × reticulata] - sour orange

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