What Happens When Cats Eat Catnip?
Generally, cats can eat the catnip plant, and it is considered non-toxic and safe for them. When cats ingest catnip, they typically experience a euphoric or stimulant-like reaction. This reaction is primarily due to a chemical compound called nepetalactone, found in the plant's leaves, stems, and seeds. Unlike inhaling catnip's aroma, which usually causes relaxation or playful behaviour, eating it can lead to a different set of responses, sometimes including mild sedation after the initial excitement.
However, it's important to understand that not all cats react to catnip, whether inhaled or ingested. Estimates suggest that between 50% and 80% of cats possess the gene that makes them sensitive to nepetalactone. Kittens under six months old and older cats may also show a diminished response. For those cats that do react, the experience is generally positive and harmless, provided the plant is consumed in moderation and is free from pesticides or other contaminants.
The key difference lies in the method of consumption. When a cat rubs against or sniffs catnip, nepetalactone particles enter their nasal passages, triggering a pheromone-like response. When eaten, the compound enters their digestive system. The effects can vary: some cats become more energetic, others may become drowsy or even vomit. Vomiting, while uncommon, is usually a mild and temporary reaction and is not typically a cause for concern unless it becomes persistent or is accompanied by other symptoms.
Crucially, catnip is not addictive, and cats do not typically overindulge to a harmful extent. Their response is often self-limiting, and they may become temporarily immune to its effects after a strong reaction, often for an hour or two. This natural reset prevents overstimulation.
What does eating catnip plant look like? A cat that eats catnip might exhibit heightened playfulness, roll around, drool, or become more vocal. After the initial excitement, a period of lethargy or sleepiness can follow. It’s part of the curious, often amusing, behaviour cat owners observe.
Why Is Catnip So Appealing to Cats?
The appeal of catnip stems from its unique chemical makeup, specifically the volatile oil nepetalactone. This compound acts as a stimulant for many felines, triggering sensory receptors in their noses. When inhaled, nepetalactone binds to olfactory receptors, sending signals to the cat's brain, particularly the amygdala and hypothalamus – areas associated with emotion and instinctual responses.
This neurological stimulation is what leads to the characteristic behaviours: rolling, rubbing, vocalising, hyperactivity, and general silliness. It's thought to mimic feline sex pheromones, which might explain the intensity of the response in some cats, particularly un-neutered males. The effect is akin to a mild, natural hallucinogen for them, albeit a completely safe one.
When cats eat catnip, the nepetalactone is processed differently by their digestive system. The effects can be more varied than simply inhaling the scent. While some cats may exhibit increased playfulness, others might become more sedate or even experience mild gastrointestinal upset, leading to vomiting. This is often their way of expelling something that doesn't agree with them, even if it's non-toxic. The plant matter itself, if eaten in large quantities, could potentially cause digestive discomfort.
The variation in response is also key to understanding its appeal. For cats that react, it's a source of intense sensory pleasure and behavioural expression. It’s a natural, botanical 'treat' that taps into their innate sensory pathways. It provides an outlet for natural behaviours that might otherwise be suppressed in a domestic environment.
The plant's appeal is rooted in its chemical mimicry of feline pheromones.
Understanding why they are drawn to it helps owners appreciate this natural behavioural trigger. It's not just about a 'high'; it's about engaging their senses and instincts in a way that feels natural and rewarding to them, even if the resulting behaviour seems bizarre to us.
How to Safely Offer Catnip Plant
When introducing your cat to the catnip plant, whether fresh or dried, moderation and observation are key. Start with a small amount, perhaps a pinch of dried leaves or a small fresh sprig. Place it where your cat can easily access it and observe their reaction without interfering. Not all cats will show an interest, and those that do may react differently. Some might sniff and walk away, others will rub and roll, and some might nibble.
If your cat shows interest in eating the plant, it’s generally safe for them to consume a small quantity. However, keep an eye on their behaviour afterwards. Look for signs of contentment, playfulness, or mild drowsiness. If your cat exhibits excessive drooling, vomiting, or diarrhoea, remove the plant and monitor them. Persistent or severe symptoms warrant a call to your vet, though this is rare with pure catnip.
Ensure the catnip plant you offer is either grown specifically for pets or purchased from a reputable source that guarantees it is free from pesticides, herbicides, or other harmful chemicals. Plants bought from garden centres may have been treated with substances toxic to cats. If you grow your own, ensure it’s in a safe location away from potential contaminants.
Considerations for Fresh vs. Dried Catnip
- Fresh Catnip: Often has a stronger aroma and can be more enticing. Cats may enjoy nibbling on the fresh leaves. Ensure the plant is healthy and free from pests or treatments.
- Dried Catnip: The essential oils can become less potent over time but are still effective. It’s readily available and convenient. Ensure it's stored in an airtight container to preserve freshness.
If your cat ingests a significant amount of plant material, it might cause a mild upset tummy. This is more likely due to the fibre content or simply eating 'too much green stuff' than the nepetalactone itself. Provide fresh water, and monitor for any signs of distress. Most cats instinctively know their limits.
Always source your catnip from a pet-safe supplier or grow it yourself to avoid harmful chemicals.
It's also worth noting that some cats may develop a temporary insensitivity after a strong reaction. If your cat doesn't respond initially, try again another day. Their interest and response can vary.
Catnip vs. Other Plants: What's Safe?
While catnip is a well-loved, safe treat for many cats, it's crucial to be aware of other common household and garden plants that can pose risks. The list of plants toxic to cats is extensive, and accidental ingestion can lead to a range of symptoms, from mild gastrointestinal upset to severe organ damage or even death. This is why identifying safe options, like catnip, is so important for cat owners.
When considering plants, always err on the side of caution. If you are unsure about a plant's safety, it is best to keep it away from your cat. Many plants that are harmless to humans can be highly poisonous to felines due to their different metabolic systems. For instance, lilies are extremely dangerous; even small ingestions of any part of the lily plant (leaves, flowers, pollen, or even water from the vase) can cause acute kidney failure. Tulips and daffodils contain toxins that can cause vomiting, diarrhoea, and drooling if ingested, with the bulbs being the most toxic part. Roses, while thorny, are generally considered non-toxic, but the thorns themselves can cause mouth irritation or injury if chewed.
Other common houseplants that require careful management include:
- Orchids: Most orchid species are considered non-toxic to cats, making them a popular choice for cat owners.
- Spider Plants: These are also generally regarded as safe. In fact, their leaves can have a mild, catnip-like effect on some cats, causing them to become playful or even appear slightly 'intoxicated' if they chew on them.
- Snake Plants: These are mildly toxic and can cause nausea, vomiting, and diarrhoea if ingested.
The contrast between catnip's mild stimulant effect and the severe toxicity of plants like lilies or tulips highlights the need for careful plant selection. Catnip offers a safe avenue for sensory stimulation and play, whereas many other plants present genuine dangers.
Always assume a plant is toxic unless confirmed otherwise by a reliable veterinary or horticultural source.
If you suspect your cat has ingested a toxic plant, contact your veterinarian or an animal poison control centre immediately. Prompt action can make a significant difference in the outcome. Prioritising a safe environment means knowing which plants are safe for your curious cat to explore or nibble on.
Potential Side Effects and When to Worry
While the catnip plant is generally safe for cats to eat, a small percentage may experience mild side effects. The most common reactions after ingestion can include vomiting or diarrhoea, which usually resolve on their own. This is often the cat's way of dealing with something that doesn't fully agree with their digestive system, even if it's not inherently toxic. It’s similar to how some cats might vomit after eating grass.
Some cats, particularly those highly sensitive, might become overly hyperactive after eating catnip, leading to a frenzy of activity that could potentially result in minor bumps or bruises if they aren't careful. Following this initial excitement, a period of drowsiness or lethargy is quite common. This is a natural 'come down' from the stimulation and is not a cause for concern.
You should consider contacting your vet if you observe any of the following:
- Persistent or severe vomiting or diarrhoea that doesn't stop after a few hours.
- Signs of significant distress, such as extreme lethargy, disorientation, or difficulty breathing.
- Unusual aggression or extreme fear that is out of character and persistent.
- Any indication that the plant consumed was not pure catnip, but rather a mix containing something toxic.
It is important to remember that most reactions are mild and transient. Cats are generally good at self-regulating their consumption, and the effects of nepetalactone, whether inhaled or eaten, wear off. The plant itself is not habit-forming, nor does it cause long-term harm when consumed in moderation by a sensitive cat.
Vomiting or diarrhoea after eating catnip is usually temporary and not a cause for alarm.
If you are ever in doubt about your cat's reaction or health after they have eaten catnip, or any other plant material, it is always best practice to seek professional veterinary advice. A vet can provide tailored guidance based on your cat's individual health and history.
Grow Your Own Catnip for Your Feline Friend
Growing your own catnip plant offers a rewarding way to provide your cat with a safe, fresh, and potent supply of their favourite herb. It ensures you know exactly what your cat is consuming, free from pesticides, herbicides, or other harmful chemicals often found in commercially grown plants. Plus, there's a unique satisfaction in cultivating something your pet genuinely enjoys.
Catnip (Nepeta cataria) is remarkably easy to grow, even for novice gardeners. It thrives in full sun but can tolerate partial shade. The soil should be well-draining; it doesn't need particularly rich soil and can even grow in rocky or sandy conditions. Overly rich soil can sometimes lead to less potent leaves.
Getting Started with Catnip Cultivation
- Choose a Location: Select a sunny spot in your garden or a sunny windowsill indoors.
- Planting: You can start from seeds, cuttings, or a small plant purchased from a nursery. Sow seeds thinly or plant seedlings/cuttings about 30-45 cm apart, as the plant can grow quite bushy.
- Watering: Water regularly but avoid overwatering. Allow the soil to dry out slightly between waterings.
- Pruning: Regularly pinch back the plant's growing tips to encourage bushier growth and prevent it from becoming leggy. Harvesting the leaves also serves this purpose.
- Harvesting: The leaves and flowers can be harvested anytime your cat shows interest. For the most potent effect, it's often recommended to harvest before the plant flowers or in the morning after the dew has dried. Gently snip off leaves and stems.
Freshly harvested catnip is usually the most potent. You can offer sprigs directly to your cat or rub the leaves to release the aroma. For longer-term storage, you can dry the harvested leaves and stems. Spread them on a screen or paper in a warm, dry, well-ventilated area, out of direct sunlight. Once completely dry, store them in an airtight container in a cool, dark place to preserve their potency.
Growing your own catnip provides a reliable, safe, and highly effective supply.
Observe your cat's reaction to homegrown catnip. You might find they have an even more enthusiastic response to the fresh, potent leaves than to dried commercial varieties. It’s a simple yet delightful way to enhance your cat’s environment and well-being.
Catnip for Cats: A Summary of Use
In summary, the question 'can cats eat catnip plant' has a predominantly positive answer: yes, cats can generally eat catnip, and it is considered safe and non-toxic. The primary active compound, nepetalactone, is responsible for the unique sensory experience many cats have with this herb.
When cats ingest catnip, they may exhibit behaviours ranging from heightened playfulness and excitement to mild sedation, sometimes following an initial burst of energy. Some cats may also vomit or drool as a mild reaction to consumption, which is usually transient and not a cause for alarm. It's important to remember that not all cats are sensitive to catnip; a genetic predisposition determines their response, and kittens and older cats may react less strongly.
To ensure your cat's safety and enjoyment, it's advisable to offer catnip in moderation and to ensure that any plant material is free from pesticides or other harmful chemicals. Growing your own catnip is an excellent way to guarantee purity and freshness.
While catnip offers a safe and enjoyable stimulant, it's crucial to differentiate it from genuinely toxic plants like lilies, tulips, or daffodils. Always maintain vigilance regarding the plants present in your home and garden, prioritising those confirmed to be safe for feline consumption.
The key to offering catnip is moderation and ensuring the plant's purity.
Ultimately, catnip serves as a natural, safe enrichment tool that can provide mental and physical stimulation for cats, contributing positively to their overall well-being when used responsibly.