Can fleas survive the cold?

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What are fleas?

What temperatures do fleas like?

Will cold temperatures kill fleas?

How to prevent fleas

Sorry to burst your bubble but fleas aren’t just a summer problem. Whether you are in peak infestation or have dealt with pests before, it’s wishful thinking to want fleas to disappear as the temperatures drop. Scroll to find out the best way to kill fleas and get rid of them for good!

What are fleas?

Fleas are tiny, wingless insects that love to jump, particularly onto your warm-blooded pet. Fleas will bite your cat or dog and cause skin irritation, allergic reactions, and even transmit diseases. Adult fleas are only about 2.5mm long, so they are pretty tough to spot and can multiply FAST! Killing fleas and getting rid of them for good, means knowing their life cycle —egg, larva, pupae, and adult—and each stage has its own quirks and survival mechanisms.

What temperatures do fleas like?

Fleas thrive in warm, humid environments, generally between 24 to 30 degrees celsius, with around 70 to 85% humidity. This is why flea problems often peak in spring and summer. In these conditions, the flea life cycle is short, with eggs hatching and developing into adults in as little as two to three weeks.

But just because they prefer warmth doesn’t mean they’ll disappear when it gets chilly. Fleas are incredibly resilient and, unfortunately, can find ways to survive even when it gets colder. Fleas tend to nestle and hide in warm parts of your home, like carpet or upholstery, to keep warm and continue infesting your home.

Will cold temperatures kill fleas?

The answer is both yes and no.

When temperatures drop below freezing (0 degrees celsius) for prolonged periods, fleas in outdoor environments may struggle to survive. At these temperatures, adult fleas on the ground or in shaded areas outdoors are unlikely to make it, and any eggs or larvae will also likely perish.

However, in regions where winter is more mild or where the temperature fluctuates, fleas have a better chance of surviving outdoors. What’s more, even if fleas struggle outdoors, your home provides a comfortable paradise for them to keep breeding. Warm homes, with central heating running and soft furnishings to burrow into, can extend their survival well throughout the winter. They may slow down a bit but will remain very much alive, lurking in carpets, pet bedding, and upholstered furniture, waiting for an unsuspecting pet to come by.

How to prevent fleas

Even in colder months, it’s best to stay vigilant against fleas. Here are some key steps to keep them out of your home and off your pets:

  • Keep up with flea treatment

    Lots of pet parents pause flea treatments during winter, this is how fleas get the upper hand. Regular flea control is vital to making sure these pests never bother your pet, like a subscription to Itch Flea treatment for dogs or Itch Flea treatment for cats, which is delivered for free every month! Itch Flea treatment kills all adult fleas within 24 hours and halts the development of other flea life stages - easy fleasy!

  • Regular cleaning and vacuuming

    Fleas are excellent at hiding in carpets, rugs, upholstery, and even in the crevices of wooden floors. Regularly vacuuming your floors, carpets, and pet bedding can help remove any flea eggs and larvae, reducing the likelihood of an infestation. The vibrations of the hoover, wake up any fleas nestled in your home and then you can kill them dead with flea control products. Just remember to empty your canister or bag straight after vacuuming, as fleas can survive inside the vacuum and may escape back into your home.

  • Wash pet bedding and soft furnishings

    Wash your pet’s bedding at least once a week in hot water to kill any eggs, larvae, or adult fleas. Make sure to wash at no less than 60 degrees! It’s also a good idea to also wash blankets, cushion covers, and other soft furnishings where your pet likes to rest. Don’t forget your bedding too, as they can hop on and get snuggly with you.

  • Use a flea spray in the home

    Flea treatment for your pet and a flea spray for your home, is the double action killing combo you need to eliminate fleas in your home. Flea sprays can target multiple flea life stages, killing fully grown fleas, as well as their eggs and larvae, like the Itch Flea House Spray which zaps fleas dead for up to 2 months after just one blast!

  • Clean outside

    If you have an outdoor space, keeping it tidy can help reduce flea activity. Trimmed grass, regular raking, and limiting damp, shady spots can make your garden less attractive to fleas. Consider using natural flea-repellent plants, like rosemary and lavender, which can help discourage fleas from hanging around. Need some tips on keeping your garden pet-safe? Read our guide here.

  • Inspect and groom your pet regularly

    Regular grooming is a great way to catch any fleas early before they get a chance to multiply. Use a flea comb, which is specially designed to capture fleas and their eggs. After each grooming session, rinse the comb in hot, soapy water to kill any fleas you’ve caught. Keeping an eye on your pet’s behaviour can also alert you to fleas—if your pet is scratching or biting at its fur more than usual, it’s worth investigating. Our top tip is to check your pet’s fur and skin, after long walks or if they have been out on an adventure!

  • Check in with your vet

    Fleas can very quickly turn your world upside down, so make sure to know who you can contact and when, in case of an emergency. Your local vet is worth having on speed dial, but if you have a more general question, our qualified Vet Team are here to help! Drop us a DM, give us a email or write us an email - we’re a bunch of friendly flea fanatics, ready to chat.

So, fleas can certainly survive the winter, especially if they find their way into your home. The cosy combo of central heating and soft furnishings can make your home the perfect place for a flea during the colder months. Stay one hop ahead of fleas, protect your home and your pet with regular treatments, cleaning and monitoring.

Get rid of fleas, ticks AND lice... and stop them coming back!

Fleas, ticks and lice can be a nightmare, but with the right approach, you can take control and rid your pets and home of these bothersome pests. Remember that parasites can be persistent, so patience and regular treatment will be your best friends! By addressing both your pet and their environment, you can ensure a flea-free and comfortable living space for both your furry companion and your family.

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