Ficus Retusa / Ginseng Banyan
Ficus microcarpa (syn. Ficus retusa)
The quintessential tropical and indoor bonsai. Ficus produces striking aerial banyan roots in humid conditions, glossy evergreen foliage, and thick surface nebari. It thrives in domestic indoor spaces with adequate light.
Substrate & Soil Mix
50% Akadama, 30% Pumice, 20% Organic Pine Bark.
Watering Discipline
Moderate; allow surface to dry slightly. Never allow root ball to sit in standing water.
Sunlight & Placement
High light indoors (direct morning sun or dedicated LED grow light).
Pruning & Pinching Window
Year-round in warm indoor conditions; heaviest pruning in late spring.
Wiring Season
Late spring and summer when growth is active.
Repotting Cadence
Every 2 years in early-to-mid summer when temperatures exceed 20°C (68°F).
Curatorial Cultivation Manual
Irrigation Technique
Water thoroughly when topsoil dries. Reduce frequency slightly in low-light winter months.
Seasonal Fertilizing Program
Fertilize monthly year-round with balanced liquid bonsai fertilizer, increasing to bi-weekly in spring/summer.
Pruning & Pad Refinement
Exudes milky white latex sap when cut. Responds with vigorous back-budding even on bare old wood.
Root Reduction & Repotting
Unlike temperate trees, repot tropical Ficus in mid-summer when temperatures are consistently warm.
Winter Cold Protection
Strictly frost tender. Never expose to temperatures below 12°C (54°F). Keep away from dry radiator drafts.
Common Pests & Pathogens
- Scale insects
- Mealybugs
- Thrips
- Spider mites
Traditional Classical Styles
- Banyan Style
- Informal Upright (Moyogi)
- Root-over-Rock
- Clump (Kabudachi)
Document Your Ficus Retusa / Ginseng Banyan in Kenara
Log repotting histories, track seasonal wiring timelines, and run optical foliage health diagnostics on your trees.