How to Grow Carmona
iNaturalist
Carmona
Carmona retusa
shrubCarmona is a tropical evergreen shrub native to Southeast Asia, commonly grown as a houseplant and bonsai specimen. It features small, glossy, dark green leaves and produces delicate white flowers with yellow stamens followed by decorative red berries. The plant is prized for its elegant appearance and suitability for indoor cultivation.
When should you plant Carmona 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 Carmona timeline · Pittsburgh, PA (Zone 6b)
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Plant Carmona
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Carmona
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Carmona dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in USDA zones 10b-11; grown indoors in cooler climates
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Get my Carmona timeline →Growth Stages
Seedling
4-6 weeksTiny plants with 2-4 true leaves, delicate and pale green in color
Maintain high humidity under a humidity dome or plastic cover; keep soil lightly moist; provide bright indirect light; avoid cold drafts
Vegetative
3-6 monthsYoung plant develops multiple stems and increasingly dense foliage; leaves become darker and glossier
Begin light pruning to encourage branching; gradually acclimate to normal humidity levels; fertilize every 2 weeks with balanced fertilizer diluted to half strength
Maturation
6-12 monthsPlant reaches desired shape and size with full canopy of dark green leaves; becomes woody and more established
Prune regularly to maintain shape, especially if growing as bonsai; apply balanced fertilizer monthly during growing season; ensure consistent watering and humidity
Flowering & Fruiting
2-4 monthsPlant produces small white, fragrant flowers in spring/summer, followed by round red berries that persist for weeks
Maintain warm temperatures (65-75°F); ensure adequate light to encourage flowering; avoid moving plant during bloom; continue regular watering and humidity
Dormancy/Rest
2-3 monthsGrowth slows in fall and winter; plant enters a resting phase with reduced metabolic activity
Reduce watering frequency but keep soil lightly moist; lower fertilizer to once monthly or stop entirely; maintain temperatures above 50°F; ensure still-bright indirect light
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity; mist foliage regularly; spray with insecticidal soap or neem oil; isolate infested plant from others
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Use yellow sticky traps; spray with insecticidal soap or horticultural oil; treat every 7-10 days for 3-4 weeks
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Remove with cotton swab dipped in rubbing alcohol; spray with neem oil or insecticidal soap; improve air circulation
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Manually remove with small brush; treat with horticultural oil spray; prune heavily infested branches
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Repot in fresh, well-draining soil; remove rotted roots; reduce watering frequency; ensure pot has drainage holes
Uses
Indoor Ornamental Decor
HouseholdCarmona serves as an attractive, living indoor decoration with evergreen foliage, delicate white flowers, and decorative red berries. Its compact size and elegant appearance make it perfect for desktops, shelves, or living room displays. [source]
Bonsai Development
CraftCarmona is a premier bonsai species due to its small leaves, fine branching capability, and ability to develop aged-looking bark. It responds well to pruning and wiring, making it ideal for both beginner and experienced bonsai enthusiasts. [source]
Air Purification
HouseholdLike many houseplants, Carmona helps purify indoor air by absorbing carbon dioxide and releasing oxygen, contributing to better air quality in indoor spaces. [source]
Pollinator Support
WildlifeThe fragrant white flowers attract pollinators and beneficial insects in outdoor tropical settings or near open windows. The persistent red berries provide visual interest and may attract birds in outdoor environments. [source]
Harvest Tips
Carmona is not grown for harvest but rather as an ornamental houseplant. Prune stems and branches year-round to shape and encourage bushier growth. Pinch back new growth tips to promote branching. Flowers appear naturally in spring/summer when plant receives adequate light and warmth. Berries can be left on the plant for visual appeal but are not edible.
Fun Facts
- 🌱 Carmona retusa is also known as 'Fukien tea' or 'Philippine tea tree,' though it is not actually used to make tea and hails from the Khaya Peninsula in Southeast Asia.
- 🌱 This plant is highly sensitive to environmental changes and can drop leaves if moved abruptly, exposed to cold drafts, or subjected to major changes in light or watering—a trait that earns it a reputation as a 'diva' among houseplant enthusiasts.
- 🌱 Carmonas can live for 50+ years as indoor plants or bonsai specimens, making them an excellent long-term investment and treasured family heirloom plants.
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