There's a moment in late March when the first proper sneeze arrives and you have to work out whether it's a cold or the start of another long season of streaming eyes and a nose that never quite settles. For plenty of people in the UK, hay fever isn't a few bad days in June. It's a rolling five or six months of shifting triggers: trees first, then grass, then weeds and mould spores that hang about into early autumn. The trick is to know which stretch of the calendar you're in, and to get ready a few weeks before your worst weeks rather than during them.
The shape of the UK pollen season
Hay fever is really three seasons wearing the same name. Tree pollen comes first, often from late February or March depending on where you live and how mild the winter has been, and runs through to around May. Birch, oak, ash, hazel and alder are the usual culprits. Grass pollen takes over from roughly mid-May and dominates June and July, which is why so many people date their worst symptoms to those two months. Then weed pollens such as nettle, mugwort and plantain carry on into September, joined by mould spores that rise in warm, damp weather and linger into autumn.
Weather can shift that schedule by a fortnight in either direction, so treat the months below as a guide rather than a fixed diary. Check the daily pollen forecast for your region and let it overrule anything here.
March and April: get ahead of tree pollen
The most useful thing you can do in early spring is to start early. Treatments that need to build up in the body, such as steroid nasal sprays, generally work better when they're started before symptoms are in full swing, not on the morning you wake up unable to breathe through your nose. Ask a pharmacist which products suit you and how far ahead to begin.
Tree pollen is light and travels long distances, so simply avoiding the big park helps less than you might hope. What does help is routine: keeping bedroom windows shut on dry, breezy days, and showering and changing your clothes when you come in. Pollen you carry indoors on your hair and jumper keeps working on you for hours afterwards.
If you run or cycle, go out after rain rather than before it. A wet morning clears the air noticeably; a dry, gusty one is the worst of the week for a ride along a tree-lined road.
May to July: the grass pollen peak
For most sufferers this is the main event. Grass pollen is heavier than tree pollen, so it stays closer to its source, which means local choices matter more. Walking through a meadow or along an unmown verge in June is very different from walking a coastal path or a city street with nothing flowering nearby. Choose your route on purpose.
Mowing is the classic trap. If you can hand the job to someone else during peak weeks, do. If you can't, wear a mask and wraparound glasses, mow when the grass is slightly damp, and shower and change straight afterwards. Don't hang the washing out on a high-count day. It comes back in smelling lovely and carrying a full load of pollen.
In the car, keep windows closed and use the recirculation setting rather than drawing air from outside. A cabin filter is worth fitting and worth replacing when it's dirty — a clogged one stops doing much at all.
Start early in the season, treat the weeks that don't hurt yet, and you'll spend less of the summer managing symptoms that have already taken hold.
August and September: weeds, spores and the late tail
Just as you think you've made it, nettle and mugwort pollen arrive, and mould spores climb in warm, humid conditions. Compost heaps, cut grass left to lie, damp leaf litter and piles of garden waste are all spore factories. So is a poorly ventilated bathroom or a bedroom with a damp windowsill.
Thunderstorms deserve a mention. They can break pollen grains into smaller fragments that travel deeper into the airways, so some people find a stormy day in late summer worse than a calm one. If your breathing gets tight during thunderstorms, that's a conversation to have with your GP or asthma nurse rather than something to push through.
The indoor routine that runs all season
Indoor habits are less glamorous than gadgets but they do most of the work. Pick a handful and repeat them daily.
- Shut windows on high-count days, especially first thing in the morning, and open them after rain instead.
- Dry laundry indoors or in a tumble dryer during peak weeks.
- Shower and change clothes when you get home. Rinsing your hair matters more than tying it back.
- Damp-dust rather than dry-dust, and vacuum with a machine that has a decent filter.
- Keep pets out of the bedroom, and wipe their coats with a damp cloth after walks.
- Swap heavy curtains for blinds in the bedroom if you can — fabric holds a lot of pollen.
- Skip strong scents, candles and indoor smoke. Irritated airways react to more than pollen.
Outdoors: small habits, real difference
- Check the forecast before you commit to a long walk, a picnic or a bike ride, and move plans to a lower-count day when you can.
- Time your outings. Counts are often worst on warm, dry, breezy afternoons and best after steady rain.
- Wear wraparound sunglasses and a cap with a brim to keep pollen away from your eyes and face.
- Try a little barrier balm around the nostrils — many people find it reduces what gets breathed in.
- Wipe your eyes rather than rubbing them, and rinse your face with cool water when you come inside.
- Keep a spare set of clothes in the car if you're heading somewhere grassy and want to change before the drive home.
When the checklist isn't enough
Good habits reduce exposure; they don't treat the immune response. If you're still losing sleep, struggling at work, or waking with a blocked nose most mornings, speak to a pharmacist about treatment options, including antihistamines and nasal sprays, and to your GP if things don't improve. Some antihistamines cause drowsiness, which matters if you drive, and some nasal sprays need weeks of consistent use before they show their full effect.
If you also have asthma, mention your hay fever at your asthma review. Uncontrolled nasal symptoms can make asthma harder to manage, and your GP or asthma nurse may want to adjust things. This article is general information rather than personal medical advice, so let a healthcare professional guide the treatment decisions.
One last practical note: write down when your symptoms start, what the weather was doing, and what you'd been doing that day. Two or three seasons of notes will tell you more about your own pattern than any general calendar can, and you'll be able to start next spring's preparations well before the first sneeze.
Photo: vlaaitje / Pixabay
