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Plant care

Pilea 'Moon Valley' (Friendship Plant) (Friendship Plant) care

Pilea involucrata 'Moon Valley'

Also called Friendship Plant, Moon Valley Pilea, Moon Valley Friendship Plant, Pilea Moon Valley.

USDA USDA zones 11-12 outdoorsPet-safeIndoor Stays small: typically 15-30 cm (6-12 in) tall with a similar or slightly wider spread

Watering rhythm

Bright indirect light (just back from a sunny window)

Roughly once or twice a week; let the top of the soil just begin to dry between waterings

Light

Bright indirect light (just back from a sunny window)

Soil

Rich, well-draining peat- or coir-based mix (an African violet mix works well)

Humidity

50-80%

Temp

18-27C

Pet safety

Pet-safe

Mature size

Stays small: typically 15-30 cm (6-12 in) tall with a similar or slightly wider spread

Care at a glance

Light

Bright but filtered. Pilea 'Moon Valley' (Friendship Plant) burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Thrives in bright, indirect light near an east- or north-facing window. Tolerates medium light but grows leggy in low light. Keep out of direct midday sun, which scorches and fades the textured leaves. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering pilea 'moon valley' (friendship plant): roughly once or twice a week; let the top of the soil just begin to dry between waterings. 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. Keep the soil evenly moist but never waterlogged. Water when the top inch starts to dry, then let excess drain fully. Sensitive to overwatering, soggy soil quickly causes root rot. Reduce watering in winter.

Soil and pot

Pilea 'Moon Valley' (Friendship Plant) grows best in rich, well-draining peat- or coir-based mix (an african violet mix works well). Use a light, moisture-retentive but free-draining mix. Add perlite for aeration and drainage. A peat moss or coir base keeps roots evenly moist without staying soggy. Always use a pot with drainage holes. 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

Pilea 'Moon Valley' (Friendship Plant) sits happiest at around 50-80% humidity and 18-27C (65-80F). A tropical understory plant that loves high humidity. It stays happy around 50% but appreciates more. Boost humidity with a pebble tray, a nearby humidifier, or grouping plants. Low humidity causes brown, crispy leaf tips. If you keep the room above 18 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 pilea 'moon valley' (friendship plant) sparingly. Feed with a balanced liquid houseplant fertiliser diluted to half strength every 4-6 weeks during spring and summer. Stop feeding in autumn and winter when growth slows. Over-fertilising can cause brown leaf tips and salt buildup, so flush the soil occasionally. 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 pilea 'moon valley' (friendship plant) in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Root rot from overwateringSoggy soil is the most common killer. Let the top inch dry before watering, use a free-draining mix, and ensure the pot drains; cut back watering in winter.
  • Brown, crispy leaf tipsUsually low humidity or over-fertilising. Raise humidity with a pebble tray or humidifier, dilute feed to half strength, and flush salts from the soil occasionally.
  • Leggy, sparse growthToo little light makes stems stretch and lose their compact shape. Move to brighter indirect light and pinch the growing tips to encourage bushier growth.
  • Leaf dropSudden swings in temperature, light, or moisture cause leaves to drop. Keep conditions consistent and away from cold drafts, heating vents, and both bone-dry and waterlogged soil.
  • Powdery mildewWhite powdery patches appear in high humidity with stagnant air. Improve air circulation, avoid wetting the foliage, and treat with a suitable fungicide if it spreads.
  • Faded or scorched leavesDirect sun bleaches and burns the textured foliage. Relocate to a spot with bright but filtered or indirect light.

Propagation

Easy from stem-tip cuttings, best taken in late spring or summer. Insert a cutting into moist potting mix, firm it in, and cover the pot with a clear plastic bag to hold humidity. Cuttings typically root in about a month. Cuttings can also be started in water before potting up. 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

Pilea 'Moon Valley' (Friendship Plant) is pet-safe. The ASPCA individually lists Friendship Plant (Pilea involucrata) as non-toxic to dogs, cats, and horses. As with any plant, nibbling can still cause mild stomach upset, so it is best kept out of reach of determined 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.

Pilea 'Moon Valley' (Friendship Plant) care — frequently asked questions

What is the common name for Pilea involucrata 'Moon Valley'?

Pilea involucrata 'Moon Valley' is most commonly called Pilea 'Moon Valley' (Friendship Plant), but it is also known as Friendship Plant, Moon Valley Pilea, Moon Valley Friendship Plant, Pilea Moon Valley. The names refer to the same species, so care instructions for Pilea 'Moon Valley' (Friendship Plant) apply identically to anything sold as Friendship Plant.

How much light does pilea 'moon valley' (friendship plant) need?

Pilea 'Moon Valley' (Friendship Plant) grows best in bright indirect light (just back from a sunny window). Thrives in bright, indirect light near an east- or north-facing window. Tolerates medium light but grows leggy in low light. Keep out of direct midday sun, which scorches and fades the textured leaves.

How often should I water pilea 'moon valley' (friendship plant)?

Water pilea 'moon valley' (friendship plant) roughly once or twice a week; let the top of the soil just begin to dry between waterings. Keep the soil evenly moist but never waterlogged. Water when the top inch starts to dry, then let excess drain fully. Sensitive to overwatering, soggy soil quickly causes root rot. Reduce watering in winter. 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 pilea 'moon valley' (friendship plant) toxic to cats and dogs?

Pilea 'Moon Valley' (Friendship Plant) is pet-safe. The ASPCA individually lists Friendship Plant (Pilea involucrata) as non-toxic to dogs, cats, and horses. As with any plant, nibbling can still cause mild stomach upset, so it is best kept out of reach of determined pets.

What USDA hardiness zone does pilea 'moon valley' (friendship plant) grow in?

Pilea 'Moon Valley' (Friendship Plant) is rated for USDA zone USDA zones 11-12 outdoors; grown as a houseplant elsewhere. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Pilea 'Moon Valley' (Friendship Plant) deep-dive guides

Every aspect of pilea 'moon valley' (friendship plant) care, each with its own calibrated guide:

Related guides

Pilea 'Moon Valley' (Friendship Plant) is also known as Friendship Plant, Moon Valley Pilea, Moon Valley Friendship Plant, and Pilea Moon Valley.