Best plants

2668 Houseplants toxic to cats & dogs

Some of the most popular houseplants are also the most dangerous to pets. These are the species in our library the ASPCA lists as toxic to cats and dogs — the ones to site well out of reach, or skip entirely if a determined chewer shares your home. Each links to its full toxicity detail and symptoms.

How this list is built: every plant Growli classifies as toxic to cats or dogs (ASPCA-sourced) that is grown as a houseplant— filtered from Growli's structured plant-care library, not hand-picked, so it stays consistent and checkable.

Plant	Light	Water	Pets
Abiqua Drinking Gourd Hosta temp & humidity · pet safety	Medium indirect light (a couple of metres from a window)	When the top 2-3 cm of soil is dry, roughly every 5-7 days in growth	Toxic to pets
Achillea 'Terracotta' temp & humidity · pet safety	Direct sun (at least 4-6 hours)	When the top 4-5 cm of soil is dry; roughly every 7-10 days while establishing, rarely once mature	Toxic to pets
Achillea ptarmica 'The Pearl' temp & humidity · pet safety	Direct sun (at least 4-6 hours)	When the top few cm of soil dry out; roughly weekly, more in heat	Toxic to pets
Aesculus × carnea 'Briotii' temp & humidity · pet safety	Direct sun (at least 4-6 hours)	Water young trees weekly to establish, then rely on rainfall	Toxic to pets
Aesculus flava temp & humidity · pet safety	Direct sun (at least 4-6 hours)	Deep watering every 7-10 days through the first two or three growing seasons; established trees rarely need irrigation	Toxic to pets
Aesculus hippocastanum temp & humidity · pet safety	Direct sun (at least 4-6 hours)	Water young trees weekly to establish, then rely on rainfall	Toxic to pets
Affinis Taro temp & humidity · pet safety	Medium indirect light (a couple of metres from a window)	Keep evenly moist; water when the top 1-2 cm of soil dries, roughly every 4-7 days	Toxic to pets
Afghan Iris temp & humidity · pet safety	Direct sun (at least 4-6 hours)	Moderate in late winter to late spring; bone dry from midsummer to early autumn	Toxic to pets
African Fern Pine temp & humidity · pet safety	Bright indirect light (just back from a sunny window)	When the top 3-5 cm of soil is dry, roughly every 10-14 days	Toxic to pets
African Milk Tree temp & humidity · pet safety	Bright indirect light (just back from a sunny window)	Every 1-2 weeks in spring/summer; roughly every 3-4 weeks in winter	Toxic to pets
African Spear Plant temp & humidity · pet safety	Medium indirect light (a couple of metres from a window)	When the soil is completely dry, roughly every 2-4 weeks in summer and every 4-6 weeks in winter	Toxic to pets
African Yellowwood temp & humidity · pet safety	Bright indirect light (just back from a sunny window)	When the top few cm of soil dry, roughly weekly while establishing	Toxic to pets
Afzel's Nephthytis temp & humidity · pet safety	Medium indirect light (a couple of metres from a window)	When the top 2 cm of soil is dry, roughly every 7-10 days	Toxic to pets
Agave attenuata 'Boutin Blue' temp & humidity · pet safety	Bright indirect light (just back from a sunny window)	When the top of the soil is dry, every 1-2 weeks in summer; sparingly in winter	Toxic to pets
Agave bracteosa temp & humidity · pet safety	Bright indirect light (just back from a sunny window)	When the soil is dry, every 1-2 weeks in summer; sparingly in winter	Toxic to pets
Agave havardiana temp & humidity · pet safety	Direct sun (at least 4-6 hours)	When the soil is fully dry, roughly every 2-3 weeks in summer and monthly or less in winter	Toxic to pets
Agave isthmensis temp & humidity · pet safety	Direct sun (at least 4-6 hours)	When the soil is fully dry, about every 2-3 weeks in summer and monthly in winter	Toxic to pets
Agave lechuguilla temp & humidity · pet safety	Direct sun (at least 4-6 hours)	When the soil is fully dry, roughly every 2-3 weeks in summer and rarely in winter	Toxic to pets
Agave macroacantha temp & humidity · pet safety	Direct sun (at least 4-6 hours)	When the soil is fully dry, about every 2-3 weeks in summer and monthly or less in winter	Toxic to pets
Agave marmorata temp & humidity · pet safety	Direct sun (at least 4-6 hours)	When the soil is fully dry, roughly every 2 weeks in summer and monthly in winter	Toxic to pets
Agave mitis temp & humidity · pet safety	Bright indirect light (just back from a sunny window)	When the soil is fully dry, about every 2 weeks in summer and monthly in winter	Toxic to pets
Agave multifilifera temp & humidity · pet safety	Direct sun (at least 4-6 hours)	When the soil is fully dry, roughly every 2-3 weeks in summer and monthly in winter	Toxic to pets
Agave nickelsiae temp & humidity · pet safety	Direct sun (at least 4-6 hours)	When the soil is fully dry, about every 2-3 weeks in summer and monthly or less in winter	Toxic to pets
Agave parryi 'Truncata' temp & humidity · pet safety	Direct sun (at least 4-6 hours)	When fully dry, every 2-3 weeks in summer; monthly or less in winter	Toxic to pets

Houseplants toxic to cats & dogs — frequently asked questions

What makes a plant one of the houseplants toxic to cats & dogs?

This list is not hand-picked for looks. It is every plant Growli classifies as toxic to cats or dogs (ASPCA-sourced) that is grown as a houseplant, drawn from Growli's structured plant-care library so the selection is consistent and checkable. 2668 plants qualify today.

How many houseplants toxic to cats & dogs are there?

Growli currently lists 2668 plants that meet the criterion (every plant Growli classifies as toxic to cats or dogs (ASPCA-sourced) that is grown as a houseplant). The list updates as the plant-care library grows; each entry links to a full care guide.

Are these plants safe for cats and dogs?

No — the opposite. Every plant on this list is classified as toxic to cats and/or dogs against the ASPCA toxic and non-toxic plant list; these are the ones to keep out of reach of pets. Tap any plant for its full toxicity detail and symptoms, or see the dedicated best pet-safe houseplants list for safe alternatives.

More plant shortlists

Best pet-safe houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
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 pet-safe low-light plants — Non-toxic to cats and dogs AND happy with no direct sun — the two hardest constraints to satisfy at once.
Best plants for cold, dark rooms — Houseplants that cope with BOTH low light and a cool, unheated room — the hardest indoor spot to fill. Every pick tolerates a low of about 10°C and shade.
Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
Best trailing & climbing houseplants — Vining and trailing houseplants for shelves, hanging pots, and moss poles — selected by growth habit.
Best houseplants for beginners — Forgiving of irregular light and watering — the houseplants least likely to die in a new plant parent’s first season.
Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
Best bathroom plants — Humidity-loving houseplants that also cope with lower light — suited to the steamy, often-dim conditions of a typical bathroom.
Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
Best pet-safe trailing & hanging plants — Trailing and climbing plants the ASPCA lists as non-toxic to cats and dogs — safe for shelves and hanging pots in a pet home.
Best pet-safe low-maintenance plants — Non-toxic to cats and dogs and forgiving of forgotten watering — the easiest safe choices for a busy pet household.
Best pet-safe flowering plants — Flowering houseplants the ASPCA lists as non-toxic to cats and dogs — colour and blooms in a pet home, without the worry.
Best pet-safe plants for bright light — Non-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
Best pet-safe large indoor plants — Big, floor-standing houseplants the ASPCA lists as non-toxic to cats and dogs — a statement plant that is safe around pets.
Best pet-safe bathroom plants — Non-toxic to cats and dogs and happy in the humid, lower-light conditions of a bathroom — safe greenery for the smallest room.
Best succulents for beginners — The easiest succulents and cacti to keep alive — selected by documented growth habit, each with the light and watering it actually wants.
Best pet-safe succulents — Succulents the ASPCA lists as non-toxic to cats and dogs — low-water greenery that is also safe around a curious pet.
Best small & tabletop houseplants — Compact houseplants that stay under about 40 cm — desk, shelf and windowsill plants that never outgrow a small space.
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.
Best houseplants to propagate in water — Houseplants that root from a cutting in a glass of water — the easiest, cheapest way to turn one plant into many.
Best fast-growing houseplants — Houseplants documented as fast or vigorous growers — quick to fill a pot, cover a pole or trail down a shelf.
Best fragrant houseplants — Indoor plants with scented flowers or aromatic foliage — greenery you can smell, selected from our care library.
Best pet-safe bedroom plants — Non-toxic to cats and dogs and happy in lower light — calming greenery for a bedroom where a pet often sleeps too.
Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
Best dog-safe plants — Houseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
Best small pet-safe plants — Compact, tabletop houseplants that are also ASPCA non-toxic to cats and dogs — safe greenery for a desk or shelf.
Full pet-safe plant library — every plant, ASPCA toxicity status

Care deep-dives gardeners ask for most

Once you have shortlisted a plant, the next questions are watering and soil. These are the guides searched most this season:

Best soil for a peace lily and best soil for a spider plant
Best soil for dracaena (it is fluoride-sensitive) and best soil for hibiscus
How often to water broccoli, how often to water beans, and how often to water okra
Browse every watering guide and soil & potting-mix guide