String of bananas (banana vine) care

Light

String of bananas is what florists mean by "bright spot, no direct sun" — close enough to a south or east window to feel the brightness, with a sheer curtain or a few feet of distance keeping the sun off the leaves. Bright indirect light with several hours of direct morning sun. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water string of bananas when soil is dry, every 14 days. 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. Succulent — drought-tolerant and rot-prone in damp soil.

Soil and pot

String of bananas grows best in free-draining succulent mix. Cactus mix with extra perlite; shallow pots suit the surface roots. 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

String of bananas sits happiest at around 30-50% humidity and 18-27°C (65-80°F). Prefers dry air. If you keep the room above 18 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 string of bananas sparingly. Quarter-strength succulent feed monthly in spring and summer. 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 string of bananas in the Growli community. Each is annotated with the most common cause so you know where to start.

• Mushy leaves — Overwatering; let dry thoroughly between waterings.
• Shrivelled leaves — Underwatering; give a thorough soak.
• Leggy stems — Insufficient light.
• Mealybugs at stem joints — Dab with alcohol-soaked cotton bud.

Propagation

Stem cuttings root in moist mix in 2-3 weeks; even strands laid on soil will root at nodes. 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

String of bananas is toxic to pets. ASPCA lists Senecio species as mildly to moderately toxic to cats, dogs, and horses. Ingestion can cause vomiting, diarrhoea, and sometimes lethargy. 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.

String of bananas deep-dive guides

Every aspect of string of bananas care, each with its own calibrated guide:

• Common string of bananas problems & fixes
• String of bananas watering schedule
• String of bananas light requirements
• Best soil mix for string of bananas
• String of bananas fertilizing guide
• When to repot string of bananas
• How to propagate string of bananas
• How to prune string of bananas
• What's eating my string of bananas?
• String of bananas growth rate & size
• String of bananas cold hardiness
• String of bananas temperature & humidity
• Is string of bananas toxic to cats & dogs?
• Is string of bananas toxic to cats?
• Is string of bananas toxic to dogs?
• All 14 Senecio varieties
• Getting string of bananas to bloom

Featured in these plant shortlists

String of bananas qualifies for 5 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• 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 drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
• Best trailing & climbing houseplants — Vining and trailing houseplants for shelves, hanging pots, and moss poles — selected by growth habit.
• 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.
• Best succulents for beginners — The easiest succulents and cacti to keep alive — selected by documented growth habit, each with the light and watering it actually wants.
• Browse all 30 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

String of bananas is also commonly called banana vine or fishhook senecio.

• String of pearls vs String of bananas — which to choose
• Guppy's Peperomia care — light, water and common problems
• Hernandez-Leaf Peperomia care — light, water and common problems
• False Pereskia Peperomia care — light, water and common problems
• All 10153 plant care guides in the Growli library