Oliver Kingsley
Understanding What Surrey Weather Actually Throws At Us
Gardening in Guildford and the wider Surrey area is rarely dull. We sit in a spot where Atlantic lows sweep in from the south-west, the North Downs funnel wind through the gaps, and our heavy clay soil holds onto water like a sponge. Add in the frost pockets that form in the Wey Valley on still, clear nights and you have a climate that can serve up four seasons in a single week.
The trick isn't to fight it. It's to plant and build with the weather rather than against it. A garden that drains well, shelters what needs sheltering, and has a little protection ready for a late cold snap will come through almost anything. Here's how to get there, step by step.
Start With the Soil, Because Water Always Finds the Low Spot
Most Surrey gardens sit on clay or a clay-loam mix. It's fertile stuff, but it compacts easily and turns to porridge after a week of rain. Improving structure is the single most useful thing you can do, and autumn is ideal because the soil is still workable and worms are active.
- Add organic matter every year. Two to three inches of well-rotted compost or leafmould spread over beds and forked in lightly will open up clay over time. Don't dig it deep; let the worms do the mixing.
- Never work wet soil. If it clumps in your hand, walk away. Digging clay when it's saturated creates a hard pan that lasts for years.
- Deal with standing water properly. If a corner floods every winter, that's a drainage problem, not a planting problem. A shallow soakaway, a French drain or a simple bog garden planted with moisture-lovers will solve it far better than yet more grit.
- Mulch in spring. A generous layer of bark or compost slows evaporation in dry spells and stops heavy rain from battering bare soil into a crust.
Wind Protection Without Turning the Garden Into a Bunker
Exposed plots on the Downs, or anywhere with a clear run to the south-west, take a real beating between November and March. Solid fences and walls actually make things worse: wind hits them, tips over the top and comes down in a punishing curl on the other side.
What you want instead is a permeable barrier. A hedge, a slatted screen or a line of woven willow lets some air through and slows the rest, which protects plants for several metres behind it. Hazel, hornbeam, yew and beech all cope well with Surrey conditions, and a mixed native hedge will shelter wildlife at the same time.
- Stake tall plants before you need to. A single stout stake for a young tree or a trio of canes for a climber is far easier to install in October than in a January gale.
- Check ties and tree guards. Rubbery ties perish; replace them before winter and leave a little room for growth.
- Move lightweight pots. Terracotta and plastic containers act like sails. Group them against a sheltered wall, or stand them in a corner out of the prevailing wind.
- Prune to reduce windage. Shortening long, whippy growth on roses and shrubs stops the wind getting a lever to rock the roots loose.
Be Ready for a Sudden Frost
Surrey frosts are unpredictable. A mild March can be followed by -4°C in mid-April, just as new growth is soft and vulnerable. Rather than gambling on the forecast, keep a few simple defences within easy reach.
- Horticultural fleece is the workhorse. Drape it over tender shoots in the evening and lift it in the morning so plants can breathe and pollinate.
- Cloches and cold frames protect seedlings and small salads without any fuss.
- Bubble wrap around greenhouse glass and around the pots of tender plants makes a surprising difference on a clear night.
- Water the soil, not the foliage, in the morning. Damp soil holds warmth better than dry soil, and dry leaves freeze faster than wet roots.
- Raise pots onto feet. Sitting containers on pot feet or bricks stops drainage holes freezing shut and waterlogging the roots.
Give Containers and Small Gardens Some Extra Thought
Patios, balconies and courtyards in Guildford town centre have their own microclimate. They're often warmer than the surrounding countryside, but they dry out faster and can suffer wind turbulence between buildings. Line terracotta pots with bubble wrap before planting, use a loam-based compost rather than a light peat-free mix for perennials, and consider grouping pots together so they shelter one another.
If your space is small, choose plants that shrug off our weather: hardy geraniums, hebes, sedums, ferns and ornamental grasses. They look good in the rain, cope with wind and forgive the odd missed watering.
A Simple Seasonal Rhythm to Keep On Top of Things
None of this needs to be complicated. A handful of tasks repeated at the right moments will keep your outdoor space resilient year after year.
- Autumn: clear fallen leaves, mulch beds, plant bare-root hedging and trees, and check drainage.
- Winter: stake and tie, protect pots, avoid walking on sodden lawns, and prune dormant trees on a dry day.
- Spring: feed beds, repair any wind damage, harden off seedlings gradually, and keep fleece handy until late May.
- Summer: water deeply but less often, mulch to lock in moisture, and deadhead to keep plants strong for the season ahead.
Work with the weather and your garden will reward you. Surrey's climate is changeable, but it's also generous — mild enough for a surprisingly wide range of plants, and wet enough to keep everything growing. A little preparation now means far less repair work later, and far more time simply enjoying the space you've made.
