Peperomia
Peperomia obtusifolia
Small, thick-leaved, and content in ordinary room air — the real risk is watering it on a schedule rather than on need.
- Type
- Houseplant · Perennial
- Botanical family
- Mixed / other
- Foliage color
- Green
- Sunlight
- Bright indirect light; keep it out of direct sun.
- Watering
- Water when the top half of the potting mix has dried.
- Feeding
- A half-strength balanced feed once a month in spring and summer.
- Frost tolerant
- No
- Pruning
- Pinch back any stem that runs leggy and it will branch instead.
- Mar–Dec Spring Growth
- Jan–Mar Spring Growth
- Plant spacing
- 7.9 in
- In-row spacing
- 7.9 in
- Between rows
- 9.8 in
- Square-foot density
- Not suited to SFG
- Root system
- Fibrous, and content in a pot
- Working depth
- 6–14 in
- Can reach
- 24 in down where the soil allows
- Spread
- 4–8 in across, about 0.5–1× the width of the plant
- Shallowest pot
- 8 in of soil
It spends its life in a pot, so the pot is the whole root run. Move it up one size when roots show at the drainage holes, and remember that it can never go looking for water it has not been given.
The habit is Peperomia’s own; the figures are what that habit usually comes to at this size, not a measurement of this species. Roots follow the soil either way: a compacted pan, a high water table or heavy clay stops them well short of any of it, and deep open ground lets them go further.
- Cats and dogs
- Confirmed safe
We say a plant is safe only where a named poison-control reference names that exact species and records it as non-toxic to both cats and dogs. Most plants are on nobody’s list, and their absence here is not a judgement about them. This is a record of what those references say, not veterinary advice, and it cannot account for your own animal, the quantity eaten, or a plant treated with anything.
Same species also filed as American Rubber Plant and Pepper Face.
Beneficial predators that hunt this plant's pests — grow their favourite flowers nearby to recruit them. companion plant
- Beneficial nematodes Steinernema & Heterorhabditis spp.Hunts Fungus gnats
Microscopic worms watered onto damp soil that hunt down soil-dwelling grubs and release a bacterium that kills them within days. Timing is the whole thing: warm, damp soil and a small target grub, which means late summer for most of what they are used against.
- Centipedes ChilopodaHunts Fungus gnats
Flat, fast, one pair of legs to a segment — and a predator, unlike the slow round millipede it is constantly confused with. It hunts slugs, cutworms, springtails and woodlice by night under mulch and stones. Learn the difference and leave this one alone.
- Dragonflies & damselflies OdonataHunts Fungus gnats
Aerial hunters that take mosquitoes, midges and small flies on the wing all day, and whose larvae spend a year or more clearing the same insects from the water. A pond with planted margins and no fish is the way to have them.
- Green lacewing Chrysoperla carneaHunts Mealybugs
Its bristly larvae — "aphid lions" — impale aphids, mealybugs, thrips, and mite colonies, eating hundreds a week. Adults feed on nectar and pollen from small open flowers and overwinter in hollow stems left standing.
- Hoverfly SyrphidaeHunts Mealybugs
Bee-mimicking flies whose legless larvae graze aphid colonies clean while the adults pollinate. A ribbon of shallow, nectar-rich flowers kept in bloom all season recruits wave after wave of them.
- Ladybird (lady beetle) CoccinellidaeHunts Mealybugs
The gardener’s favorite ally: adults and their alligator-shaped larvae each eat thousands of aphids, plus scale, mealybugs, and other soft-bodied sap-suckers. Grow flat, open flowers for the adults and never spray a colony that ladybird larvae are already working.
- Predatory mites Phytoseiulus & AmblyseiusHunts Fungus gnats
Fast orange mites that hunt spider mites egg-by-egg, and cousins that clear thrips and fungus-gnat larvae. Sold as a biological control for greenhouses; outdoors they follow humidity — mist and mulch, don’t dust with sulfur.
- Rove beetle StaphylinidaeHunts Fungus gnats
Slim, quick beetles with short wing cases that hunt in soil and litter, taking root-fly eggs and larvae, fungus-gnat larvae, and mites. Mulch and undisturbed ground keep them resident year-round.
Green-leaved houseplants, like this one.
The Cottage Garden Companion — the gardener's herbarium at cottagegardencompanion.com