Lamb's Ear (woolly hedgenettle) care

Light

Lamb's Ear needs sun on the leaves, not just bright ambient room light. Full sun for the most compact, silver foliage; in shade it grows leggy, greener and far more prone to fungal rot of the woolly leaves. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water lamb's ear low; water only when soil is dry, roughly every 7-10 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. Highly drought-tolerant once established. Water at the base, never overhead, and let soil dry between waterings; the fuzzy leaves rot if kept wet.

Soil and pot

Lamb's Ear grows best in lean, well-drained sandy or gravelly soil. Needs sharp drainage above all, pH 6.0-7.5. Thrives in poor, dry ground; rich or heavy wet soil causes rot and lank growth. 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

Lamb's Ear sits happiest at around 30-50% humidity and -29 to 32°C (-20 to 90°F). Prefers dry air and dislikes high humidity, which causes the woolly foliage to melt and rot; ensure generous spacing and airflow in humid climates. 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 lamb's ear sparingly. Needs little or no feeding; it thrives in poor soil. Skip fertiliser, as rich conditions cause floppy, disease-prone growth. A very light compost topdressing in spring is the most it wants. 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 lamb's ear in the Growli community. Each is annotated with the most common cause so you know where to start.

• Crown and leaf rot — Wet soil, overhead watering or humidity rots the fuzzy foliage and crown; provide sharp drainage, water at the base and space plants for airflow.
• Centre die-back — Established mats often die out in the middle, especially after flowering or wet weather; remove flower spikes and divide every 2-3 years to refresh.
• Powdery mildew and rust — Fungal disease spots the leaves in humid, crowded conditions; thin growth and improve ventilation, removing affected foliage.
• Aggressive spreading — It creeps and self-seeds beyond its space; trim runners, deadhead spikes and edge the bed to keep it in bounds.

Propagation

Easiest by division of the rooted creeping mats in spring or autumn; lift and replant rooted runners; or sow seed in spring, though division gives faster, true-to-type 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

Lamb's Ear is mildly toxic to pets. Lamb's ear is not individually listed by the ASPCA, so it cannot be asserted as verified pet-safe (online claims that the ASPCA lists it as non-toxic are not supported by the official database); treat with caution and verify with a vet. No significant toxic principle is documented, but the woolly leaves and tannins may cause mild mouth irritation or gastrointestinal upset if eaten in quantity. 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.

Lamb's Ear deep-dive guides

Every aspect of lamb's ear care, each with its own calibrated guide:

• Lamb's Ear watering schedule
• Lamb's Ear light requirements
• Best soil mix for lamb's ear
• Lamb's Ear fertilizing guide
• When to repot lamb's ear
• How to propagate lamb's ear
• Lamb's Ear growth rate & size
• Lamb's Ear cold hardiness
• Lamb's Ear temperature & humidity
• Is lamb's ear toxic to cats & dogs?
• Is lamb's ear toxic to cats?
• Is lamb's ear toxic to dogs?
• Getting lamb's ear to bloom

Featured in these plant shortlists

Lamb's Ear qualifies for 4 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
• Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
• 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.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Lamb's Ear is also known as lamb's ear, woolly hedgenettle, and bunny ears.

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