Geranium phaeum 'Album' (White dusky cranesbill) care

Light

The Goldilocks zone. Not the south-facing windowsill (too hot, too direct), not the back of the room (too dim, growth stalls). Best in partial to full shade, including dry shade; the white flowers are especially valuable for brightening dark corners. Tolerates morning sun but dislikes hot, dry full sun. If you can't decide, a free phone lux-meter app aimed at the leaf at noon should read between 800 and 1,500 lux.

Watering

Watering geranium phaeum 'album': water when top 3-5 cm of soil is dry; keep evenly moist while establishing. 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. Prefers soil kept lightly moist. Established plants tolerate dry shade, but prolonged drought triggers early dormancy and scorched foliage.

Soil and pot

Geranium phaeum 'Album' grows best in humus-rich, moisture-retentive but well-drained soil. Best in fertile, leafy woodland soil; tolerates clay and chalk. Improve with leaf mould or compost to retain moisture in dry shade. 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

Geranium phaeum 'Album' sits happiest at around 40-70% humidity and -25 to 25°C (-13 to 77°F). Hardy woodland perennial unaffected by ambient humidity; favours the cooler, slightly moister microclimate of shade. No humidity management needed. If you keep the room above 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 geranium phaeum 'album' sparingly. Light feeder. An annual spring mulch of leaf mould or compost suffices; heavy feeding promotes lax foliage at the expense of flowers. 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 geranium phaeum 'album' in the Growli community. Each is annotated with the most common cause so you know where to start.

• Leaf scorch in sun and drought — Foliage crisps and browns in hot, dry, sunny spots. Site in shade and keep soil from drying out entirely.
• Powdery mildew — White coating in dry, still conditions. Cut affected leaves to the base, improve airflow, and water at soil level for fresh growth.
• Seedling colour reversion — Self-sown seedlings may produce dusky, not white, flowers. Deadhead to limit seeding and propagate true plants by division.
• Ragged post-bloom foliage — Leaves look tatty after flowering. Shear the whole plant to the ground for a clean flush of new foliage.

Propagation

Divide in spring or autumn to preserve the white-flowered form, which does not come true from seed. Self-sown seedlings revert toward the dusky species, so use division for reliable 'Album' plants. 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

Geranium phaeum 'Album' is mildly toxic to pets. The ASPCA's toxic 'Geranium' / 'Scented Geranium' listings cover Pelargonium species (geraniol and linalool), not the true cranesbills. Geranium phaeum is not individually listed by the ASPCA; hardy geraniums are broadly regarded as non-toxic to cats and dogs, but absent a specific ASPCA non-toxic listing 'Album' is rated mildly-toxic as a precaution. Verify with a vet and discourage pets from grazing the leaves. 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.

Geranium phaeum 'Album' deep-dive guides

Every aspect of geranium phaeum 'album' care, each with its own calibrated guide:

• Geranium phaeum 'Album' watering schedule
• Geranium phaeum 'Album' light requirements
• Best soil mix for geranium phaeum 'album'
• Geranium phaeum 'Album' fertilizing guide
• When to repot geranium phaeum 'album'
• How to propagate geranium phaeum 'album'
• Geranium phaeum 'Album' growth rate & size
• Geranium phaeum 'Album' cold hardiness
• Geranium phaeum 'Album' temperature & humidity
• Is geranium phaeum 'album' toxic to cats & dogs?
• Is geranium phaeum 'album' toxic to cats?
• Is geranium phaeum 'album' toxic to dogs?
• Getting geranium phaeum 'album' to bloom

Featured in these plant shortlists

Geranium phaeum 'Album' qualifies for 6 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 drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
• Best houseplants for beginners — Forgiving of irregular light and watering — the houseplants least likely to die in a new plant parent’s first season.
• Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
• 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.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Geranium phaeum 'Album' is also commonly called White dusky cranesbill or Album mourning widow.

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