The best house plant is the one that suits your room, not the one you fell for in the shop. Match the plant to your light first — bright, medium or low — then to your humidity and your patience. Get that right and most house plants are genuinely hard to kill. Get it wrong and even a snake plant sulks.
Below is a room-by-room guide to the house plants worth your windowsill: which to choose for a bright living room, a dim bathroom, a steamy kitchen, a bedroom or a north-facing corner, and which are safe if you have a cat or a dog. Each entry gives the light it needs, how often to water it, how forgiving it is, and the single mistake most likely to finish it off. There is a short, honest section on whether house plants really clean your air (the famous study has been badly misread), and a care chapter that comes down to one rule: more house plants die of kindness than of neglect.
The short version
- Measure your light before you buy. A free lux-meter app on your phone turns “bright indirect” from guesswork into a number. Under 500 lux is low; 500–2,000 is the comfortable middle; a sunny sill can top 10,000.
- Overwatering is the number-one killer. Most house plants want the top two to three centimetres of compost to dry out between drinks. When in doubt, wait.
- Best house plants for beginners (hardest to kill): snake plant, ZZ plant, pothos, spider plant and cast iron plant will forgive a beginner almost anything.
- Have a cat or dog? Pothos, peace lily, monstera, aloe and ZZ plant are all toxic. Safe swaps below — and never bring true lilies into a house with a cat.
- Air-purifying claims are overstated. Plants help a room feel better; opening a window does far more for the air itself.
Start here
How to choose a house plant: read your light first
Light is the one thing you cannot fake, and it is where most plant deaths begin. A plant labelled “bright, indirect light” will slowly starve in a north-facing back bedroom and scorch on a south-facing sill in July. The trouble is that human eyes are hopeless at judging light: a room that looks perfectly bright to us can be ten times dimmer than a plant needs.
So measure it. Download a free lux-meter app, stand where the plant will actually live, hold the phone at the plant’s height facing the window, and take a reading at midday on a bright but overcast day. That single habit will save you more plants than any feed or fancy pot. As a rough guide: under 500 lux is genuinely low light; 500 to 2,000 lux is the bright-but-indirect band most house plants are happiest in; 2,000 to 10,000 lux suits sun-lovers; and full summer sun on glass can run higher still and burn delicate leaves.
Two other conditions decide whether a plant thrives or merely survives. Humidity: our centrally heated living rooms are deserts in winter, which is why tropical plants with thin leaves — ferns, calatheas — do better in a steamy bathroom or kitchen. Temperature: most house plants are happy in the same range we are, roughly 15 to 24°C, and dislike cold draughts and the scorching air directly above a radiator. Hallways, with their door draughts, are the usual graveyard.
More house plants die of kindness than of neglect. When you are not sure whether to water, don’t.
Room by room
The best house plants for a bright living room
A living room with a large east, west or softly curtained south window is the easiest place to grow something handsome and architectural. These are the plants that earn the description “statement” without needing a horticulture degree.
Monstera (Swiss cheese plant)
Light: bright, indirect · Water: when the top 3cm is dry, roughly weekly · Difficulty: easy
The split-leaf darling of every interiors magazine, and deservedly so — give it room and a moss pole and it will reward you with those iconic holes. The one thing that kills it: sitting in soggy compost, which rots the roots. It would rather be a little too dry than a little too wet. Toxic to cats and dogs.
Rubber plant (Ficus elastica)
Light: bright, indirect · Water: roughly weekly in summer, less in winter · Difficulty: easy
Glossy, near-black leaves and an upright habit that fills a corner without sprawling. Wipe the leaves now and then so they can breathe and shine. The one thing that kills it: sudden moves — it sulks and drops leaves when shifted between very different light levels, so settle it in one good spot. Toxic to pets.
Peace lily (Spathiphyllum)
Light: medium to low, indirect · Water: when it tells you — it wilts dramatically, then recovers · Difficulty: easy
One of the few elegant flowering plants that tolerates a darker room, with white spathes that appear off and on through the year. It is the plant that visibly droops when thirsty and perks up within hours of a drink, which makes it oddly easy to read. The one thing that kills it: chronically wet feet, and cold — keep it above 13°C. Toxic to cats and dogs, so skip it in a pet home.
The best house plants for a low-light bathroom
A bathroom with frosted glass and not much sun sounds like a hard brief, but the humidity from your shower changes everything. The plants that struggle in a dry living room — ferns and patterned tropicals — often flourish here. Aim the bathroom shelf at plants that cope with lower light and love damp air.
Boston fern (Nephrolepis exaltata)
Light: moderate, indirect · Water: keep the compost lightly, evenly moist · Difficulty: moderate
Arching, feathery fronds that cascade beautifully from a shelf or hanging pot, and the classic humidity-lover. The steam from a daily shower is exactly what it wants. The one thing that kills it: dry air — in a centrally heated room the fronds crisp brown at the tips. The bathroom solves that. Safe for cats and dogs.
Calathea (prayer plant family)
Light: medium, indirect — never direct sun · Water: keep just moist; mind the water quality · Difficulty: moderate
Grown for its astonishing patterned leaves, which fold up at night like hands in prayer. It is a connoisseur’s plant that rewards a humid spot. The one thing that kills it: hard tap water and dry air, which brown the leaf edges — rainwater or filtered water keeps it happy. Safe for cats and dogs.
Pothos (devil’s ivy, Epipremnum aureum)
Light: low to bright, indirect · Water: when the top few centimetres dry out · Difficulty: very easy
The plant that earns its “devil’s ivy” name by refusing to die. It trails happily from a high shelf, copes with dim corners, and roots from a cutting in a glass of water on the windowsill. The one thing that kills it: almost nothing, though constant wet will eventually rot it. Toxic to cats and dogs.
The best house plants for a humid kitchen
Kitchens share the bathroom’s warm, damp air but usually have more light, which widens the field. Counter space is the constraint, so lean towards compact plants and trailing ones that can live on top of a cupboard.
Pothos and calathea both do well here for the reasons above. Add a spider plant (Chlorophytum comosum) — cheerful, near-indestructible, and a generous parent that throws out baby plantlets you can snip off and pot up for free. It tolerates a wide range of light and the odd missed watering, and it is safe for cats and dogs. If you have a brighter sill, a pot of herbs — basil, mint, parsley — is the kitchen plant that pays for itself, though herbs want more sun and more water than any of the foliage plants here.
The best house plants for a bedroom
Keep a bedroom to one or two plants — it is a room for calm, not a jungle — and choose forgiving, quiet ones. The old worry that plants “steal your oxygen” at night is a myth; the amount they release or absorb is trivially small next to your own breathing, so sleep easy.
Snake plant (Sansevieria / Dracaena trifasciata)
Light: anything from low to bright · Water: every two to three weeks; far less in winter · Difficulty: very easy
If you have killed plants before, start here. Upright, sculptural and almost impossible to neglect to death, it stores water in its thick leaves and asks to be left alone. The one thing that kills it: overwatering — the single way to finish a snake plant is to be too attentive. Mildly toxic to cats and dogs.
Spider plant (Chlorophytum comosum)
Light: bright to moderate, indirect · Water: when the top of the compost dries · Difficulty: very easy
A bedroom workhorse that copes with imperfect light, propagates itself, and is one of the safest choices for a pet household. The one thing that kills it: very little — brown tips usually mean nothing worse than dry air or fluoride in tap water. Safe for cats and dogs.
The best house plants for a north-facing or low-light room
North-facing rooms and spots set well back from a window are the genuine challenge: bright enough for us, dim for a plant, and dimmer still in a British winter. Be honest about it — no plant “loves” deep shade, they merely tolerate it — and pick the proven survivors.
The ZZ plant (Zamioculcas zamiifolia) is the champion here: waxy, dark-green leaves, thrives on low light and neglect, and stores water in potato-like rhizomes so it shrugs off a forgotten fortnight. The one thing that kills it is overwatering, and it is toxic to pets. The cast iron plant (Aspidistra elatior) earns its name — a Victorian parlour favourite precisely because it survives gloom, draughts and inattention — and it is safe for cats and dogs. The parlour palm (Chamaedorea elegans) brings a soft, tropical shape to a shady corner and is also pet-safe. Pothos and snake plant, above, both cope with low light too.
For pet owners
Which house plants are safe for cats and dogs?
Many of the most popular house plants are toxic to cats and dogs, including pothos, peace lily, monstera, ZZ plant, aloe vera and snake plant. Most cause mouth and stomach irritation rather than anything fatal — but true lilies are a genuine emergency, so this is worth getting right before you buy.
The good news is that for almost every toxic plant there is a non-toxic one of a similar look. The list below is based on the ASPCA toxic and non-toxic plant database, the most widely used reference. Bear in mind that “non-toxic” means low or no documented toxicity, not that a plant is edible — a determined cat eating any quantity of foliage may still be sick, so discourage nibbling and keep compost out of reach.
| Pet-safe (non-toxic) | Best avoided (toxic) |
|---|---|
| Spider plant | Pothos / devil’s ivy |
| Parlour palm & areca palm | Peace lily |
| Boston fern & maidenhair fern | Monstera |
| Calathea & prayer plant (Maranta) | ZZ plant |
| Chinese money plant (Pilea) | Snake plant (mild) |
| Money tree (Pachira) | Aloe vera |
| Peperomia & Phalaenopsis orchid | Philodendron |
| Cast iron plant & polka dot plant | True lilies (Lilium, day lily) |
One serious warning: lilies and cats
True lilies (Lilium and day lilies, Hemerocallis) are in a different category. For cats they are potentially fatal: every part of the plant is dangerous, and even a lick of pollen or a drink of the vase water can cause kidney failure within a couple of days. Never keep cut lilies or lily plants in a home with a cat. If your cat has had any contact with a lily, treat it as an emergency and call your vet straight away.
If you think a pet has eaten any plant, ring your vet or the UK Animal PoisonLine on 01202 509000 — the only 24-hour poisons service for pets in the UK.
The honest bit
Do house plants really purify the air?
Not in any way you would notice. The idea comes from a 1989 NASA study (Interior Landscape Plants for Air Pollution Abatement) that measured how plants removed certain pollutants from a small, sealed laboratory chamber. It is real research, but it has been widely misread. When scientists revisited the figures in 2019 against the way air actually moves through a real room, they found you would need somewhere between ten and a thousand plants per square metre to match what ordinary ventilation already does for free.
In other words: a few plants on a shelf will not measurably clean the air in your home, and any guide promising otherwise is overselling. Opening a window does far more. Grow house plants because they are lovely to live with, because tending something green is good for the spirit, and because the research on wellbeing and mood is more convincing than the research on air quality — not because they are a substitute for fresh air.
Keeping them alive
House plant care: the five things that actually matter
You can ignore most of the advice on the internet and still keep house plants alive if you get these five right.
1. Water less than you think
Overwatering is the commonest cause of a dead house plant, because soggy compost suffocates the roots and they rot. For most foliage plants, wait until the top two to three centimetres of compost feels dry, then water thoroughly until it runs from the drainage holes, and tip away anything left in the saucer. A plant that is wilting is not always thirsty — an overwatered plant droops too, so check the compost before reaching for the can.
2. Match the plant to the light, not the other way round
You cannot make a dark room bright by wishing. Put sun-lovers on the brightest sill, shade-tolerant plants in the dimmer spots, and move a struggling plant towards the light before you blame anything else.
3. Raise humidity for the tropical ones
Ferns, calatheas and the like want damper air than a heated room provides. Grouping plants together, standing pots on a tray of damp pebbles, or keeping them in the bathroom or kitchen does more reliable good than a daily misting.
4. Feed in the growing season only
From spring to early autumn, a balanced liquid house plant feed every few weeks keeps growth healthy. Stop in winter, when most plants are resting and cannot use it — feeding a dormant plant does harm, not good.
5. Repot every couple of years
When roots circle the bottom of the pot or push out of the drainage holes, move the plant up one pot size in spring, using fresh peat-free house plant compost. A pot too large holds too much wet compost around the roots, so go up gradually, not in one giant leap.
Why are my house plant’s leaves turning yellow or brown?
Leaf colour is the quickest diagnosis you have. As a rule of thumb: yellowing leaves, often lower ones, usually mean too much water — let the compost dry out further between drinks and check the pot drains freely. Brown, crispy tips or edges usually mean the air is too dry or the plant has had too much direct sun or hard tap water; raise the humidity or move it back from the glass. Brown patches in the middle of a leaf are often scorch from direct sun on wet foliage. One or two old leaves yellowing and dropping is the plant renewing itself and no cause for concern.
Buying well
Where to buy house plants, and how to do it cheaply
You do not need to spend much to fill a home with greenery. The cheapest route of all is free: pothos, spider plants, tradescantia and Chinese money plants all root readily from cuttings, so one plant from a friend becomes five on your windowsill within a season. A spider plant’s baby plantlets and a pothos cutting in a jar of water are the classic make-don’t-buy house plants, and a good way to test a renter’s windowsill before committing.
When you do buy, supermarkets and the bigger DIY chains carry healthy, inexpensive specimens of the easy plants — a snake plant or pothos for a few pounds is excellent value. For a wider range, established mail-order nurseries deliver to the door; Gardening Direct is one UK grower-retailer worth a look for value house plants and indoor stock. Whatever the source, choose plants with firm leaves and no pests, check that they were grown in peat-free compost, and resist the most exotic temptation until you have kept an easy one alive for a season.
Disclosure: the Gardening Direct link above is an affiliate link — if you buy through it we may earn a small commission, at no extra cost to you. We only mention retailers we would happily use ourselves, and the advice on this page is given without favour.
Quick answers
House plant FAQs
What is the easiest house plant to keep alive?
A snake plant or a ZZ plant. Both store water, tolerate low light, and would rather be forgotten than fussed over — the ideal first house plant. Pothos, spider plant and cast iron plant are nearly as forgiving.
How often should I water house plants?
There is no fixed schedule — water when the plant needs it, not on a calendar. For most foliage plants, wait until the top two to three centimetres of compost feels dry, then water thoroughly and drain. Succulents and snake plants want longer gaps; ferns want more consistent moisture. Overwatering kills more house plants than anything else.
Which house plants are safe for cats and dogs?
Spider plant, parlour and areca palms, Boston fern, calathea, prayer plant, Chinese money plant (Pilea), Peperomia, Phalaenopsis orchid and cast iron plant are all non-toxic per the ASPCA. Avoid pothos, peace lily, monstera, ZZ plant, aloe and snake plant — and never keep true lilies near a cat, as they can be fatal.
What house plants are good for low light?
Snake plant, ZZ plant, pothos, cast iron plant and parlour palm cope best with north-facing rooms and dim corners. None of them truly love deep shade, but these tolerate it and keep their looks.
Do house plants clean the air?
Barely. The well-known NASA study has been widely misread; in a real room you would need an impractical number of plants to make a measurable difference, and opening a window does far more. Grow them for how they look and how tending them makes you feel.
Why are my house plant’s leaves going yellow?
Most often, too much water. Yellowing lower leaves and damp compost point to overwatering — let the pot dry out more between drinks and make sure it drains. Crispy brown tips, by contrast, usually mean dry air or too much sun.
Choose for the light you have, water with a light hand, and keep the toxic ones away from the cat: do those three things and a house full of plants is well within anyone’s reach. Start with a snake plant on the landing and a pothos on a high shelf, and let the collection grow from there.
For more from the garden, see our month-by-month UK gardening guide, our practical guide to starting a compost heap for the peat-free compost your plants will thank you for, and our small-garden ideas for greening a tiny outdoor plot once the windowsills are full.
Written by Linda Garrould · Updated 14 June 2026. General guidance for UK homes; for any concern about a pet and a plant, contact your vet or the UK Animal PoisonLine on 01202 509000.
For the space in front of the house, see our guide to small front garden ideas.
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