How to Grow Merrillii
iNaturalist
Merrillii
Schefflera elegantissima
shrubMerrillii, also known as False Aralia, is a tropical evergreen shrub prized for its delicate, finely-divided foliage that creates an elegant, feathery appearance. Native to the South Pacific, it features long, narrow leaflets with a deep green color and prominent veining. This ornamental plant is popular as an indoor houseplant and in warm climates as a decorative outdoor specimen.
When should you plant Merrillii 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 Merrillii timeline · Pittsburgh, PA (Zone 6b)
-
Plant Merrillii
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
Harvest Merrillii
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Merrillii dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 10b-11; requires warm, frost-free conditions year-round
Sign up free to see if Merrillii grows in your zone — and get a personalized planting timeline.
Get my Merrillii timeline →Growth Stages
Establishment (Young Sapling)
2-4 monthsNew growth appears soft and bronze or reddish-tinged; foliage is more compact and less divided than mature foliage
Provide consistent warmth (70-80°F), high humidity, and indirect bright light. Avoid fertilizing heavily; use diluted fertilizer monthly. Keep soil evenly moist.
Vegetative Growth
6-18 monthsPlant produces increasingly divided and delicate leaflets; stems lengthen and secondary branching develops
Maintain warm temperatures and humidity above 50%. Fertilize every 2-3 weeks with balanced liquid fertilizer during growing season. Prune gently to encourage bushiness.
Mature Foliage Development
6-12 months and ongoingFine, feathery compound leaves with deeply lobed segments reach full elegance; plant attains desired form
Continue regular misting and humidity maintenance. Pinch off growing tips occasionally to maintain compact form. Rotate plant weekly if indoors for even light exposure.
Maintenance Phase
Ongoing (years 2+)Established plant with stable growth; occasional light pruning maintains shape; slow leaf drop is normal in winter
Reduce watering slightly in winter months. Continue high humidity. Check regularly for spider mites and mealybugs. Repot every 2-3 years in spring.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Increase humidity with regular misting; rinse foliage under lukewarm water; use insecticidal soap or neem oil spray if severe
-
Remove with cotton swab dipped in rubbing alcohol; apply neem oil or insecticidal soap; isolate plant to prevent spread
-
Scrape off manually with soft brush; treat with horticultural oil or insecticidal soap; repeat every 7-10 days as needed
-
Spray with strong water spray to dislodge; apply insecticidal soap or neem oil if infestation persists
Uses
Indoor Air Purification
HouseholdMerrillii is effective at filtering indoor air pollutants and improving air quality in home and office environments. Its large leaf surface area helps remove carbon dioxide and releases oxygen. [source]
Decorative Foliage Plant
CraftThe elegant, feathery foliage makes Merrillii a striking ornamental specimen for interior decoration, tropical landscaping, and container displays. Its architectural form adds visual interest and a sophisticated aesthetic. [source]
Low-Maintenance Indoor Plant
HouseholdThough requiring humidity and warmth, Merrillii is relatively pest-resistant and tolerates variable indoor light conditions, making it suitable for experienced houseplant enthusiasts. [source]
Tropical Habitat Plant
WildlifeIn warm climates, Merrillii provides shelter and visual interest in tropical and subtropical garden designs, supporting the aesthetic of lush, diverse plantings. [source]
Harvest Tips
Merrillii is an ornamental foliage plant, not typically harvested for food or medicine. Propagate by taking 4-6 inch softwood cuttings in spring; use rooting hormone and maintain high humidity in a warm propagation chamber. Mature stems can be used for air layering. Cuttings root in 3-4 weeks with proper conditions.
Fun Facts
- 🌱 Merrillii foliage changes dramatically as the plant matures—young leaves are often bronze or copper-red before turning deep green, a phenomenon called heterophylly.
- 🌱 The plant is also called False Aralia because its feathery foliage superficially resembles true Aralia species, but it belongs to the Schefflera genus.
- 🌱 Merrillii is highly sensitive to environmental changes and will drop leaves in response to temperature fluctuations, drafts, or sudden changes in light or water—it appreciates a stable growing environment.
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Merrillii planting timeline
Tell us your zip code and we'll calculate exactly when to start Merrillii 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 Merrillii timeline →