Pelargonium 'Solferino' (Angel pelargonium Solferino) care

Light

Aim for at least 4-6 hours of direct sun on the leaves. Full sun keeps it compact and flowering freely; insufficient light produces leggy, sparse-blooming plants. A bright sunny windowsill or sheltered sunny patio is best. If your only bright window faces south, that's perfect for pelargonium 'solferino' — same window any aroid would fry on.

Watering

Watering pelargonium 'solferino': when the top 2-3 cm of compost is dry, roughly every 5-10 days in growth. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Water once the surface dries, then allow it to dry again before re-watering. Reduce watering markedly over winter to keep the rootball only just moist and prevent rot.

Soil and pot

Pelargonium 'Solferino' grows best in free-draining, loam-based compost. A John Innes No. 2 or peat-free mix lightened with perlite or grit provides the sharp drainage angels require. Avoid heavy composts that hold too much water. 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

Pelargonium 'Solferino' sits happiest at around 30-50% humidity and 10-24°C (50-75°F). Dry to average air with good ventilation suits it. Do not mist; the dense growth and small leaves are prone to grey mould and rust in humid, still conditions. If you keep the room above 10 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 pelargonium 'solferino' sparingly. Feed every 2 weeks in spring and summer with a balanced liquid feed, switching to a high-potash feed as buds form to extend flowering. Stop feeding in autumn and winter during the rest period. 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 pelargonium 'solferino' in the Growli community. Each is annotated with the most common cause so you know where to start.

• Leggy, few flowers — Too little light. Angels demand full sun to bloom heavily and keep a compact shape; move to the brightest spot available.
• Pelargonium rust — Rings of brown pustules on leaf undersides. Remove affected leaves, space plants for airflow, and keep foliage dry.
• Botrytis (grey mould) — Grey mould in crowded growth and on faded flowers during damp spells. Deadhead, thin congestion, and improve ventilation.
• Yellow lower leaves — Usually overwatering or poor drainage. Let the compost dry further between waterings and ensure free-draining pots.

Propagation

Root softwood or semi-ripe cuttings 6-9 cm long in spring or late summer. Remove lower leaves, let the cut callus, and insert into gritty, just-moist compost in bright light; rooting takes a few weeks. 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

Pelargonium 'Solferino' is toxic to pets. The ASPCA lists Pelargonium species (geranium) as toxic to cats, dogs, and horses. The toxic principles are geraniol and linalool; ingestion can cause vomiting, anorexia, depression, and dermatitis. Keep out of reach of pets. 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.

Pelargonium 'Solferino' deep-dive guides

Every aspect of pelargonium 'solferino' care, each with its own calibrated guide:

• Pelargonium 'Solferino' watering schedule
• Pelargonium 'Solferino' light requirements
• Best soil mix for pelargonium 'solferino'
• Pelargonium 'Solferino' fertilizing guide
• When to repot pelargonium 'solferino'
• How to propagate pelargonium 'solferino'
• Pelargonium 'Solferino' growth rate & size
• Pelargonium 'Solferino' cold hardiness
• Pelargonium 'Solferino' temperature & humidity
• Is pelargonium 'solferino' toxic to cats & dogs?
• Is pelargonium 'solferino' toxic to cats?
• Is pelargonium 'solferino' toxic to dogs?
• Getting pelargonium 'solferino' to bloom

Featured in these plant shortlists

Pelargonium 'Solferino' qualifies for 6 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
• 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 small & tabletop houseplants — Compact houseplants that stay under about 40 cm — desk, shelf and windowsill plants that never outgrow a small space.
• Best houseplants for full sun — Houseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
• Best houseplants for a cool room — Houseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
• Best fragrant houseplants — Indoor plants with scented flowers or aromatic foliage — greenery you can smell, selected from our care library.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Pelargonium 'Solferino' is also commonly called Angel pelargonium Solferino.

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