How to Grow Bergamot Orange
Wikimedia Commons
Bergamot Orange
Citrus bergamia
treeBergamot orange is a small citrus tree native to Calabria, Italy, prized for its highly aromatic, bitter fruit used primarily for essential oil extraction and flavoring. The tree produces fragrant white flowers and small, greenish-yellow fruits with distinctive flavor and aroma. It is less commonly grown as an ornamental or fruit producer in home gardens due to specific climate requirements.
Looking for a specific variety?
When should you plant Bergamot Orange in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Bergamot Orange timeline · Pittsburgh, PA (Zone 6b)
-
Plant Bergamot Orange
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
Harvest Bergamot Orange
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Bergamot Orange dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-11, prefers warm, humid Mediterranean-like climates
Sign up free to see if Bergamot Orange grows in your zone — and get a personalized planting timeline.
Get my Bergamot Orange timeline →Growth Stages
Seedling
4-8 weeksYoung plant with tender leaves emerging from germinated seed or sprouted rootstock graft
Maintain high humidity and consistent moisture. Protect from direct sun initially. Thin to strongest seedling if direct seeding. Provide indoor light if growing from seed.
Establishment
1-2 yearsYoung tree growing 6-12 inches annually with developing branch structure and glossy green foliage
Stake for support if needed. Prune to develop strong central leader or multi-stem form. Begin light fertilizing. Acclimate to outdoor conditions gradually.
Vegetative Growth
1-2 yearsMaturing tree with dense foliage and established branch framework, minimal flowering
Fertilize monthly during growing season with citrus formula (NPK 2:1:1). Prune to shape and remove crossing branches. Monitor for pests.
Flowering & Fruiting
6-8 months (flowering to mature fruit)Tree produces abundant fragrant white flowers in spring, followed by small greenish-yellow fruits developing over several months
Do not over-fertilize nitrogen, which reduces fruiting. Thin young fruits if needed. Ensure adequate water and warmth during fruit development. Maintain consistent care.
Harvest Readiness
2-4 weeksMature fruits reach full size and aromatic intensity; color shifts from green to golden-yellow as ripeness approaches
Fruit is ready when slightly soft and fragrant. Do not force ripening with excessive heat. Harvest selectively as fruits mature.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Remove affected leaves, spray with neem oil or horticultural oil; encourage natural predators
-
Prune heavily infested branches, spray with horticultural oil in dormant season, insecticidal soap for active infestations
-
Increase humidity, spray with water, apply neem oil or miticide if severe
-
Remove infected leaves, apply insecticidal soap or pyrethrin-based sprays; control is critical as it vectors Huanglongbing
-
Spray with water, use insecticidal soap, apply neem oil; encourage ladybugs
-
Yellow sticky traps, neem oil spray, insecticidal soap
Uses
Earl Grey Tea & Beverages
CulinaryBergamot oil is the signature flavoring of Earl Grey tea and is used in cocktails, liqueurs, and specialty drinks. The essential oil provides a distinctive citrus-floral note. [source]
Aromatherapy & Stress Relief
MedicinalBergamot essential oil is widely used in aromatherapy for its calming and uplifting properties, believed to reduce anxiety and improve mood. It is also historically used in traditional herbal medicine. [source]
Perfumery & Cosmetics
HouseholdBergamot oil is a key ingredient in colognes, perfumes, skin care products, and soaps due to its fresh, citrus-floral scent. It is one of the most important materials in the fragrance industry. [source]
Natural Dyes & Scent Infusions
CraftThe zest and juice can be used to create natural dyes and scent infusions for food, beverages, and craft projects. Dried peel retains aromatic properties for extended use. [source]
Marmalade & Preserves
CulinaryThough bitter, bergamot oranges can be processed into marmalade, jams, and preserves with a distinctive bitter-sweet flavor profile appreciated in European cuisines. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Bergamot oranges mature in winter (December-February in Northern Hemisphere, June-August in Southern). Fruit is ready when green-yellow and fragrant; do not wait for full yellow ripening as flavor peaks slightly before. Harvest by hand-twisting or cutting with pruners. Peak essential oil content occurs when fruit reaches full maturity. For essential oil extraction, harvest early morning after dew dries. Use fruit fresh or process immediately for best aroma; oil degrades quickly once extracted.
Fun Facts
- 🌱 Bergamot orange is native to Calabria in southern Italy, which still produces over 90% of the world's bergamot essential oil; the fruit is rarely eaten fresh but almost entirely used for oil extraction.
- 🌱 The distinctive flavor in Earl Grey tea comes from bergamot oil; one pound of essential oil requires approximately 200 pounds of bergamot fruit.
- 🌱 Bergamot oil contains bergapten, a photosensitizing compound that can cause phototoxic reactions (burning or darkening of skin) if applied topically and exposed to strong sunlight; later formulations use bergapten-free oil to avoid this issue.
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Bergamot Orange planting timeline
Tell us your zip code and we'll calculate exactly when to start Bergamot Orange seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.
Get my Bergamot Orange timeline →