Growli

Plant care

Musk Stork's Bill (Musky Stork's Bill) care

Erodium moschatum

Also called Musk Stork's Bill, Musky Stork's Bill, Whitestem Filaree, Musk Geranium.

RHS H4USDA 6-10Mildly toxic to petsIndoor Up to 50 cm tall in flower

Watering rhythm

Direct sun (at least 4-6 hours)

Water moderately during active growth; keep nearly dry in dormancy

Light

Direct sun (at least 4-6 hours)

Soil

Well-drained, sandy or loamy, neutral to alkaline

Humidity

Low to moderate (35–55%)

Temp

-8 to 30°C

Pet safety

Mildly toxic to pets

Mature size

Up to 50 cm tall in flower

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Requires full sun; will not thrive in shade, which encourages pale, weak growth with poor aromatic quality in the leaves. If your only bright window faces south, that's perfect for musk stork's bill — same window any aroid would fry on.

Watering

Watering musk stork's bill: water moderately during active growth; keep nearly dry in dormancy. 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. As a Mediterranean annual/biennial, it tolerates extended dry periods; overwatering is more likely to cause harm than underwatering, particularly in heavy soils.

Soil and pot

Musk Stork's Bill grows best in well-drained, sandy or loamy, neutral to alkaline. Grows in light (sandy) or medium (loamy) soils; prefers neutral to mildly alkaline pH and will struggle in acidic, waterlogged, or heavily compacted 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

Musk Stork's Bill sits happiest at around Low to moderate (35–55%) humidity and -8 to 30°C (18 to 86°F). Tolerates a range of humidity but benefits from good air circulation; high humidity coupled with damp soil can trigger fungal issues at the base of the rosette. 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 musk stork's bill sparingly. Generally unnecessary in fertile soils; in poor soils, apply a balanced granular fertiliser lightly at sowing or transplanting time. 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 musk stork's bill in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Powdery mildew on leavesCan develop in warm, dry conditions with poor air circulation; improve ventilation and avoid wetting foliage; remove affected leaves promptly.
  • Aggressive self-seedingThe corkscrew-tipped seeds self-bury readily and E. moschatum can become weedy in borders; deadhead before seed ripens to contain spread.

Propagation

Direct sow seed in situ in late summer (for overwintering rosettes) or in early spring; seeds germinate readily without stratification in warm 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

Musk Stork's Bill is mildly toxic to pets. Erodium moschatum is not listed by the ASPCA as a toxic plant, and the Erodium genus has no documented toxic principles for cats or dogs. Although the young leaves are eaten by humans, no formal ASPCA 'non-toxic' confirmation exists for this species, warranting a mildly-toxic classification for pets as a precaution. Mild gastrointestinal upset is possible if animals consume foliage. 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.

Musk Stork's Bill care — frequently asked questions

What is the common name for Erodium moschatum?

Erodium moschatum is most commonly called Musk Stork's Bill, but it is also known as Musk Stork's Bill, Musky Stork's Bill, Whitestem Filaree, Musk Geranium. The names refer to the same species, so care instructions for Musk Stork's Bill apply identically to anything sold as Musky Stork's Bill.

How much light does musk stork's bill need?

Musk Stork's Bill grows best in direct sun (at least 4-6 hours). Requires full sun; will not thrive in shade, which encourages pale, weak growth with poor aromatic quality in the leaves.

How often should I water musk stork's bill?

Water musk stork's bill water moderately during active growth; keep nearly dry in dormancy. As a Mediterranean annual/biennial, it tolerates extended dry periods; overwatering is more likely to cause harm than underwatering, particularly in heavy soils. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is musk stork's bill toxic to cats and dogs?

Musk Stork's Bill is mildly toxic to pets. Erodium moschatum is not listed by the ASPCA as a toxic plant, and the Erodium genus has no documented toxic principles for cats or dogs. Although the young leaves are eaten by humans, no formal ASPCA 'non-toxic' confirmation exists for this species, warranting a mildly-toxic classification for pets as a precaution. Mild gastrointestinal upset is possible if animals consume foliage.

What USDA hardiness zone does musk stork's bill grow in?

Musk Stork's Bill is rated for USDA zone 6-10 (annual/biennial, self-seeds freely) and RHS hardiness H4. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Musk Stork's Bill deep-dive guides

Every aspect of musk stork's bill care, each with its own calibrated guide:

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Musk Stork's Bill qualifies for 1 curated Growli shortlist — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Musk Stork's Bill is also known as Musk Stork's Bill, Musky Stork's Bill, Whitestem Filaree, and Musk Geranium.