Non-toxic flowering houseplant.

Even small amounts cause vomiting, disorientation, low body temperature and breathing trouble. Includes raw bread dough and spilled drinks.

Not toxic, but almonds are hard to digest and a choking or blockage risk, especially whole. Better skipped.

Vomiting, lethargy and diarrhea (the gel itself is less of an issue than the outer leaf).

Vomiting, drooling, lethargy and tremors; bulb is most toxic.

Oral irritation, drooling and difficulty swallowing.

Slices of apple are a safe, crunchy treat - remove the core and seeds, which contain small amounts of cyanide compounds.

Ripe apricot flesh is safe in small amounts. Always remove the pit, which is a choking hazard and contains cyanide compounds if crushed.

Non-toxic - a safe way to get the palm look. (Not to be confused with toxic Sago Palm.)

Plain cooked asparagus is safe in small pieces. Raw stalks are tough and a choking risk, so cook and chop it.

Berries cause stomach upset; repeated skin contact can cause irritation.

The flesh causes mild stomach upset in dogs and cats, and the large pit is a choking and blockage hazard. Far more dangerous to birds.

Vomiting, drooling, weakness and heart problems even in small amounts. Emergency.

Very fatty and salty. An occasional tiny bite is not poisonous, but bacon is a common pancreatitis trigger and best kept off the menu.

A safe, sweet treat in small amounts for dogs; the sugar means moderation. Non-toxic to cats but rarely a favourite.

These kitchen herbs are non-toxic to pets.

Plain cooked lean beef is a safe protein for dogs and cats. Skip fatty cuts and any onion or garlic seasoning.

Plain cooked beetroot in small amounts is safe and may turn stools or urine pink, which is harmless. Skip pickled beets.

Tubers most toxic - mouth irritation, drooling, vomiting.

Sweet bell pepper (red, yellow or green) is safe and vitamin-rich in small pieces. Skip spicy peppers, which irritate the gut.

Non-toxic.

A safe, antioxidant-rich snack for dogs in moderation. Non-toxic to cats.

A safe, antioxidant-rich treat for dogs, given in moderation. Non-toxic to cats, though most cats are not interested.

Raw bones are a debated topic - they can crack teeth, splinter or cause blockages, and carry bacteria. If you feed them at all, do so under supervision and never cooked bones.

Non-toxic and a popular pet-friendly choice.

A little plain baked bread is safe but offers little value - empty calories. Never give raw bread dough, which is dangerous.

Plain cooked or raw broccoli in small amounts is safe for dogs. Large amounts can cause gas and stomach upset, so keep it to a garnish.

Non-toxic and colourful.

Plain cooked sprouts are safe in small amounts, but they are famously gassy - one or two is plenty for a dog.

Plain cabbage is safe in small amounts but notoriously gassy in larger ones. A little cooked is easiest on the stomach.

Similar to chocolate - restlessness, a racing heart, tremors and seizures. Coffee grounds and tea bags are surprisingly potent.

Burning mouth, drooling, vomiting and swelling.

Non-toxic, pet-friendly foliage.

Hydrating and safe in small pieces for dogs. Remove the rind and seeds. Non-toxic to cats, who rarely care.

Crunchy raw or cooked carrots are a low-calorie, safe snack for dogs. Cats can have a little cooked, though most are indifferent.

A couple of plain, unsalted cashews are safe for dogs. They are fatty, so an occasional one or two only.

Safe and actually made for cats - a good redirect for plant-chewers.

Plain cooked or raw cauliflower in small amounts is safe for dogs. Large amounts cause gas, so keep it modest.

Plain celery is a safe, low-calorie crunch for dogs. Cut into small pieces to avoid choking; non-toxic to cats.

Not toxic, but cheese is high in fat and most adult pets are lactose intolerant, so it often causes gas or loose stools. A tiny cube as a treat at most.

The flesh is not toxic, but cherry pits, stems and leaves contain cyanide compounds and the pits cause blockages. Given the risk, cherries are best avoided.

Most sugar-free gum and mints contain xylitol, which is deadly to dogs even in small amounts. Keep bags, pockets and handbags out of reach.

Vomiting, restlessness, racing heart, tremors and seizures. Darker chocolate is far more dangerous. Try the chocolate toxicity calculator to gauge the dose.

Non-toxic, though the fibrous parts can cause mild upset if gorged on.

Vomiting, diarrhea, drooling and skin irritation.

A pinch of cinnamon is not toxic to dogs, but large amounts irritate the mouth and airways. Cats are more sensitive, so best avoided for them.

Plain coconut flesh or a little coconut oil is safe in small amounts. Large amounts can loosen the stools.

Not toxic, but cooked bones splinter and can choke or perforate the gut. Skip them - raw feeding is a separate topic with its own rules.

Plain, boneless, skinless cooked chicken is a safe, gentle protein - often used for upset tummies. No onion, garlic, salt or seasoning.

Plain boiled or baked potato with no butter, salt or seasoning is safe in small amounts. Never green, raw or fried potato.

Plain corn kernels off the cob are safe in small amounts. Never give the cob itself, which is a serious blockage risk.

The kernels are fine, but the cob is a classic intestinal blockage that often needs surgery. Never let a dog have the cob.

Plain fresh or dried cranberries are safe in small amounts. Skip sweetened or juice blends, and watch that dried mixes contain no raisins.

Mouth and stomach irritation if chewed.

Crunchy, hydrating and very low in calories - a safe treat for dogs. Non-toxic to cats, who may enjoy a nibble.

Dried currants carry the same kidney-failure risk as grapes and raisins in dogs. Treat any ingestion as urgent.

Roots/tubers most toxic - drooling, vomiting; large amounts affect the heart.

Bulbs are the worst part - vomiting, drooling, and at higher doses heart and breathing trouble.

Intense mouth burning and irritation, drooling, difficulty swallowing.

Vomiting (sometimes with blood), drooling; cats may show dilated pupils.

These common succulents are non-toxic (unlike Jade and Aloe).

Leaves more toxic than berries - vomiting, diarrhea, drooling.

Rich, greasy scraps can trigger pancreatitis - vomiting, a painful belly and lethargy. Common after holidays and barbecues.

Fresh fig fruit can irritate the stomach, and the fig plant and leaves are toxic to pets. Keep both fruit and houseplant out of reach.

A small amount of fresh ginger is safe and can settle a queasy stomach. Keep it to a sliver; too much can irritate the gut.

The acidic flesh upsets stomachs and the peel and pith are more irritating still. Citrus is best kept away from both dogs and cats.

Can cause sudden kidney failure in dogs even in small amounts, and the toxic dose is unpredictable. Vomiting, lethargy and reduced urination. Treat any ingestion as urgent.

Plain cooked or raw green beans are a safe, filling, low-calorie snack for dogs. No added salt, butter or seasoning.

Not toxic, but ham is very salty and fatty - it can trigger stomach upset or pancreatitis and adds far too much salt. Best avoided.

A tiny amount of honey is safe for healthy adult dogs but is pure sugar, so rarely and in trace amounts. Little value for cats, who cannot taste sweetness.

Spent brewing hops cause a dangerous spike in body temperature in dogs. Panting, agitation and a racing heart. An emergency.

Non-toxic trailing plant.

Bulbs cause intense drooling, vomiting and sometimes diarrhea.

Not usually toxic, but the sugar and dairy upset most pets, and some contain xylitol or chocolate, which are dangerous. A pet-safe frozen treat is better.

Vomiting, lethargy and incoordination; reason unknown.

Common houseplant - vomiting and diarrhea, rarely heart rhythm changes.

Peeled kiwi flesh in small pieces is safe for dogs in moderation. Skip the skin, which is hard to digest.

Vomiting, diarrhea, and with large amounts, liver effects.

Plain lettuce is safe and mostly water. Fine as a crunchy nibble; too much can loosen the stools.

Deadly to cats - even pollen or vase water can cause fatal kidney failure. A cat near any true lily is an emergency. Milder stomach upset in dogs.

Plain cooked liver is a nutritious treat in small amounts. Too much over time can cause vitamin A build-up, so keep it occasional.

In dogs, cause weakness (especially the back legs), tremors, vomiting and fever within 12 hours. Usually not fatal but distressing.

Soft mango flesh is a safe, sweet treat in small pieces. Remove the large pit, which is a choking and blockage hazard.

Most adult pets are lactose intolerant, so milk, cheese and ice cream often cause gas and diarrhoea. The 'saucer of milk for cats' is a myth.

Non-toxic.

Mouth and throat irritation, drooling, vomiting.

Plain shop-bought culinary mushrooms are safe cooked and unseasoned. Wild mushrooms are a different matter and can be deadly - never allow those.

Prepared mustard and mustard seeds can irritate the stomach and cause vomiting. Keep condiment-covered food away from pets.

In baking amounts it is mostly harmless, but a large dose of nutmeg can cause disorientation and a racing heart. Watch holiday treats.

Plain cooked oatmeal is a safe, fibre-rich treat in moderation. Serve plain with no sugar, milk or flavourings.

Affects the heart - drooling, vomiting, abnormal heart rate. Emergency.

Damage red blood cells and cause anaemia - cooked, raw or powdered. Cats are especially sensitive. Weakness, pale gums and dark urine, often a day or two later.

A little peeled orange is not toxic to dogs, but the acidity and sugar upset many stomachs. Cats dislike citrus and the oils and peel can irritate them - best skipped.

Non-toxic and easy-going.

Plain cooked pasta with no sauce is safe in small amounts. Skip anything with garlic, onion or rich sauce.

Not a true lily, but irritating - burning mouth, drooling, vomiting. (Far less dangerous than true lilies.)

A dog favourite and safe - but check the label first: some brands contain xylitol, which is deadly to dogs. Cats gain little from it.

A few plain, unsalted, shelled peanuts are safe for dogs. Avoid salted or flavoured nuts; nuts are high in fat, so keep it small.

Ripe pear slices are a safe treat - remove the core and seeds, which contain traces of cyanide compounds.

Fresh, frozen or thawed plain peas are a safe, low-calorie snack. Skip tinned peas, which are high in salt.

Non-toxic, compact and easy.

Non-toxic - moth orchids are pet-safe.

Calcium oxalates - mouth irritation, drooling, pawing at the face, vomiting.

Non-toxic and easy to propagate.

Small pieces of fresh pineapple are safe for dogs; the sugar means moderation. Skip the tough skin and core.

A fully cooked, plain egg is a safe protein boost in moderation. Avoid raw egg, which risks bacteria and a biotin issue over time.

Plain white rice is easy to digest and a staple of bland diets for upset stomachs. Serve plain, with no butter or seasoning.

Reputation is overblown - usually just mild drooling or stomach upset.

Non-toxic and pet-friendly.

Not toxic, but the seeds and tannins commonly cause stomach upset and vomiting. A few arils are unlikely to harm, but it is easily skipped.

Non-toxic.

Plain air-popped popcorn is a safe occasional snack. Skip butter, salt and any unpopped kernels, which can crack teeth.

Plain cooked pork in moderation is safe. It is fatty, so keep portions small, and never offer seasoned, cured or raw pork.

Very common - oral irritation, drooling and vomiting if chewed.

Plain cooked or tinned pumpkin (not pie filling) is safe and its fibre can help with mild digestive upsets. A spoonful is plenty.

Safe for dogs in moderation. They contain a trace of natural xylitol, so keep to a small handful; fine in tiny amounts for cats.

Green or sprouting potato contains solanine, which upsets the stomach. Plain cooked potato in small amounts is fine.

Rises in the warm stomach, causing painful bloat, and ferments into alcohol. A double danger - call your vet straight away.

The leaves are high in oxalates and toxic, causing drooling, vomiting and, in severe cases, kidney trouble. Keep pets away from the plant and stalks.

All parts, especially seeds, are highly toxic - vomiting, then liver failure. A true emergency for both cats and dogs.

Fully cooked, boneless salmon is a safe, omega-rich treat. Never feed raw salmon to dogs - it can carry salmon poisoning disease, which is serious.

Large amounts (crisps, jerky, playdough) cause excessive thirst, vomiting and, in extreme cases, salt poisoning. Keep treats low-salt.

Plain sardines packed in water are a safe, omega-rich treat in small amounts. Avoid those in brine, oil or sauce.

Oral irritation, drooling, vomiting.

Plain cooked, shelled shrimp is a safe occasional treat. Remove the shell, tail and vein, and skip anything seasoned or fried.

Nausea, vomiting and diarrhea if eaten.

Non-toxic. Cats love to bat at it; overeating any plant can still cause mild tummy upset.

Small amounts of plain spinach are fine for dogs. It is high in oxalates, so go easy, especially with cats or any pet prone to urinary or kidney issues.

The flesh is usually fine, but pits can block the gut and contain cyanide compounds if crushed. Remove all pits first.

A safe, vitamin-rich treat in small amounts for dogs. Non-toxic to cats, though the sugar means only a bite or two.

Plain cooked sweet potato is a safe, fibre-rich treat for dogs. Serve mashed or in cubes with no butter, salt or spices.

Ripe red tomato flesh is generally fine in small amounts, but the green parts, stems and leaves of the plant contain solanine and are toxic. Never offer green tomato or the plant.

Concentrated in the bulb - mouth irritation, drooling, vomiting.

A little canned-in-water tuna is not toxic, but it is not nutritionally balanced and cats can become hooked on it. Give rarely and in tiny amounts.

Plain, skinless, boneless cooked turkey is a safe lean protein. No skin, bones, salt, onion or gravy.

Best avoided - walnuts are fatty and, if mouldy, can carry tremorgenic toxins that cause shaking and seizures. Black walnuts are especially risky.

Hydrating and safe for dogs in small pieces - remove the seeds and rind. Non-toxic to cats, who rarely care for it.

Some garden and woodland mushrooms are deadly and hard to identify. Store-bought culinary mushrooms are fine. If a wild one is eaten, treat as an emergency and bring a sample.

In dogs, tiny amounts trigger a dangerous blood-sugar crash and liver failure. Found in sugar-free gum, sweets, some peanut butters and baked goods. Vomiting, weakness, collapse. An emergency.

Any food sweetened with xylitol (some peanut butters, sugar-free baking, protein bars) can cause a fatal blood-sugar crash and liver failure in dogs. Always read the label.

A spoon of plain, unsweetened yogurt is safe for many dogs. Avoid any with sweeteners, and skip it if your pet is very lactose-sensitive.

Plain zucchini is a safe, low-calorie vegetable for dogs, cooked or raw. Non-toxic to cats.

Irritating sap - mouth/stomach irritation; wash hands after handling.