Geranium maculatum (Spotted 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). Naturally a woodland and woodland-edge plant; thrives in part shade to dappled light and tolerates full sun where soil stays moist. Deep shade reduces flowering and causes lax growth. 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 maculatum: keep evenly moist; water deeply when the top 3-4 cm dries, roughly weekly in the growing season. 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 consistently moist soil, especially during spring flowering; can go summer-dormant if it dries out. Mulch to retain moisture and water in prolonged dry weather.

Soil and pot

Geranium maculatum grows best in rich, humus-laden, moisture-retentive loam. Grows best in fertile woodland-type soil high in organic matter, mimicking its native leaf-litter habitat. Tolerates a range of pH and average garden soils; avoid hot, dry, free-draining ground. 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 maculatum sits happiest at around Outdoor ambient humidity and -34 to 24°C (-29 to 75°F). Fully hardy garden perennial with no humidity requirement; suited to temperate outdoor conditions in both North America and the UK. 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 maculatum sparingly. Minimal feeding needed. An annual spring mulch of leaf mould or compost supplies adequate nutrients; on poor soils a single balanced feed in spring is enough. Heavy fertilising promotes weak, floppy growth and fewer 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 maculatum in the Growli community. Each is annotated with the most common cause so you know where to start.

• Summer dormancy in drought — Foliage yellows and dies back early if soil dries out in summer. Keep moist and mulch; the plant is healthy and re-emerges, but loses its summer presence.
• Powdery mildew — White powdery patches on leaves in dry, still late-summer air. Cut affected foliage to the base to encourage fresh, clean regrowth.
• Rust — Orange-brown pustules on leaf undersides in humid conditions. Remove and dispose of infected leaves and improve air circulation around the clump.
• Floppy, shy flowering in deep shade — Stretched, lax stems and sparse blooms where light is too low. Move to part shade or dappled light for sturdier, free-flowering growth.

Propagation

Divide clumps in autumn or early spring, replanting vigorous outer pieces. Sows readily from fresh seed (and self-seeds gently in suitable conditions); rhizome divisions establish quickly in moist, humus-rich soil. 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 maculatum is mildly toxic to pets. Geranium maculatum belongs to the true Geranium genus, which is not individually listed on the ASPCA toxic plant database; the ASPCA 'Geranium' entry refers to the toxic Pelargonium (scented geranium) and its geraniol/linalool principle. Wild cranesbill is widely regarded as non-toxic, but as it is not specifically ASPCA-listed, treat with caution and verify with a vet before assuming it is pet-safe. 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 maculatum deep-dive guides

Every aspect of geranium maculatum care, each with its own calibrated guide:

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

Featured in these plant shortlists

Geranium maculatum qualifies for 4 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 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 maculatum is also known as Spotted cranesbill, Wild geranium, and Wild cranesbill.

• Peace lily care — light, water and common problems
• Bird of paradise care — light, water and common problems
• Hoya care — light, water and common problems
• All 5561 plant care guides in the Growli library