Welwitsch's Anchomanes (African Anchomanes) care

Light

Welwitsch's Anchomanes wants the spot a few feet back from a sunny window — bright enough to read a paperback at noon, but the sun never falls directly on the leaves. In its native African forest understorey, it receives bright to moderate indirect light filtered through a canopy. Indoors, place in a bright room away from direct sun. Too little light results in weak, etiolated growth; direct sun scorches the foliage. A faint hand shadow at midday is the right amount; a sharp dark shadow means it's getting direct sun and probably too much.

Watering

Water welwitsch's anchomanes every 7–10 days in active growth; cease watering during dry-season dormancy. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Water moderately and consistently while in growth, ensuring the soil stays moist but not saturated. When the leaf begins to die back in late dry season, reduce watering to zero and keep the tuber dry. Resume watering in spring when new growth emerges.

Soil and pot

Welwitsch's Anchomanes grows best in rich, loose, free-draining tropical loam. Use a blend of quality potting compost, coarse perlite, and composted bark (2:1:1) to replicate the rich, aerated forest-floor soils of West Africa. Good drainage is critical — the tuber rots readily in waterlogged conditions during dormancy. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Welwitsch's Anchomanes sits happiest at around 60–80% humidity and 18–30°C (64–86°F). Requires high humidity consistent with its tropical forest origins. In cultivation, mist regularly, use a humidifier nearby, or grow in a warm greenhouse. Do not allow humidity to drop below 50% during the growing season or leaf margins will desiccate. If you keep the room above 18–30°C year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed welwitsch's anchomanes sparingly. Apply a balanced liquid fertiliser (e.g. 10-10-10) monthly during the active growing season. A light feed high in potassium and phosphorus before dormancy can support tuber development. Do not feed during dormancy. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on welwitsch's anchomanes in the Growli community. Each is annotated with the most common cause so you know where to start.

• Tuber rot during dormancy — The most common failure point. If the tuber is kept moist or cold when dormant, it quickly rots. Lift the tuber after the leaf dies back, allow to dry briefly, then store in barely moist coir at 18–22°C until signs of new growth appear.
• Failure to produce leaf after dormancy — Insufficient warmth or light during the growth trigger period delays or prevents emergence. Ensure temperatures remain above 20°C and provide bright indirect light to encourage bud break in spring.
• Spider mites in dry conditions — Low humidity encourages spider mite infestations on the large leaf. Maintain 60%+ humidity and inspect the underside of leaves regularly. Treat with insecticidal soap or neem oil spray.

Propagation

Propagate by division of tuber offsets when repotting in spring just before growth resumes. Each section must have at least one visible growth bud. Allow cut surfaces to callous for 24 hours before planting in fresh compost. Seed propagation is possible but very slow. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Welwitsch's Anchomanes is toxic to pets. As a member of Araceae, Anchomanes welwitschii contains calcium oxalate raphides throughout all its tissues. Ingestion causes immediate intense burning and irritation of the mouth, throat, and gastrointestinal tract in cats, dogs, and humans. ASPCA classifies the Araceae family as toxic to cats and dogs. Keep away from pets and children. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Welwitsch's Anchomanes deep-dive guides

Every aspect of welwitsch's anchomanes care, each with its own calibrated guide:

• Common welwitsch's anchomanes problems & fixes
• Welwitsch's Anchomanes watering schedule
• Welwitsch's Anchomanes light requirements
• Best soil mix for welwitsch's anchomanes
• Welwitsch's Anchomanes fertilizing guide
• When to repot welwitsch's anchomanes
• How to propagate welwitsch's anchomanes
• How to prune welwitsch's anchomanes
• What's eating my welwitsch's anchomanes?
• Welwitsch's Anchomanes growth rate & size
• Welwitsch's Anchomanes cold hardiness
• Welwitsch's Anchomanes temperature & humidity
• Is welwitsch's anchomanes toxic to cats & dogs?
• Is welwitsch's anchomanes toxic to cats?
• Is welwitsch's anchomanes toxic to dogs?

Featured in these plant shortlists

Welwitsch's Anchomanes qualifies for 5 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best low-light houseplants — Houseplants that need no direct sun and cope with a north-facing room or a spot well back from a window.
• Best plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
• Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
• Best bathroom plants — Humidity-loving houseplants that also cope with lower light — suited to the steamy, often-dim conditions of a typical bathroom.
• Houseplants toxic to cats & dogs — The common houseplants the ASPCA lists as toxic to cats and dogs — the ones to keep out of reach, each with its symptoms and a safe alternative.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Welwitsch's Anchomanes is also commonly called Welwitsch's Anchomanes or African Anchomanes.

• Nepenthes tenuis care — light, water and common problems
• Nepenthes merrilliana care — light, water and common problems
• Nepenthes copelandii care — light, water and common problems
• All 8452 plant care guides in the Growli library