What to Do in Your Garden in October: A Guide for Sussex Gardeners

October is a transformative month in the garden. As the days grow shorter and the autumn chill sets in, your garden will need a bit of attention to ensure it stays healthy throughout the winter and is ready to thrive come spring. Whether you're an avid gardener or someone looking to keep your outdoor space neat and manageable, October in Sussex brings its own unique challenges and opportunities. Here's a practical guide to help you tackle your garden this month.

1. Tidy Up Beds and Borders

With the growing season coming to an end, it's time to tidy up your flower beds and borders. Remove any spent annuals and clear away dead leaves, as these can harbor pests and diseases over winter. However, don't be too quick to cut back everything—leaving some seed heads and perennials standing, such as sedums and grasses, can provide structure and interest during the winter months. They also offer food for wildlife, which is important as we head into the colder months.

For those with heavy clay soils—common in parts of Sussex—this is a great time to dig in organic matter, like well-rotted compost or leaf mould, to improve soil structure and drainage before the winter rains arrive.

2. Planting for Spring

October is the perfect time to plant spring bulbs like daffodils, tulips, and crocuses. These bulbs will establish themselves over winter and provide an explosion of color in early spring when you need it most.

Ensure you plant them at the correct depth—generally, two to three times their height—and in free-draining areas to prevent rot.

If you have chalky soils in your garden (typical in the South Downs area), choose bulbs like alliums, hyacinths, and anemones, which thrive in alkaline conditions. For sandy soils, common in areas like the High Weald, adding a bit of compost to the planting holes can help bulbs retain the moisture they need to establish.

3. Lawn Care

As the weather cools, your lawn will require some attention. If you're experiencing the heavy rainfall that Sussex often gets in autumn, it's important to aerate your lawn to prevent water logging, particularly in clay-heavy areas where drainage can be an issue. Aeration will improve airflow and allow nutrients to reach the roots, helping the grass recover after summer wear and tear.

October is also a good time to apply an autumn lawn feed rich in potassium, which strengthens grass for the colder months ahead. Keep mowing as long as the grass is growing, but set your mower blades higher to avoid damaging the lawn.

4. Prepare Your Garden for Winter

While it may seem early, preparing your garden for winter now will save you a lot of hassle later. Mulching your flower beds with organic material, such as bark chippings or leaf mould, will help insulate plant roots, retain moisture, and suppress weeds.

This is particularly important in peaty or sandy soils, which can lose moisture more quickly. Take the time to lift and store tender plants like dahlias and begonias before the first frost hits. Sussex’s autumns can be unpredictable, so it’s better to be cautious. Keep an eye on the weather forecasts, and if frost is imminent, cover delicate plants or bring them into a greenhouse or cold frame.

5. Pruning and Trimming

October is a good month to prune many trees and shrubs. Start with roses, cutting back long stems to prevent wind damage over the winter. It's also the time to prune back summer-flowering shrubs, such as lavender and buddleia, to keep them tidy.

If you have fruit trees like apple or pear, now is the time to remove any damaged or diseased branches.

This pruning will help the tree stay healthy and encourage strong growth in spring. For those with alluvial soils near rivers and streams, ensure that any trees in these areas are properly maintained, as the soil can be more prone to water logging, which can stress the roots.

6. Composting

Autumn brings an abundance of fallen leaves, and in Sussex, the changing colors of trees in the South Downs and High Weald are particularly stunning. Rather than raking them up and tossing them away, consider making leaf mould. Pile up the leaves in a sheltered corner of your garden or place them in a breathable bag and leave them to decompose over the winter. In a year’s time, you’ll have a rich, earthy compost that’s ideal for improving soil structure, particularly in heavy clay or sandy soils.

7. Consider Professional Help

If the prospect of preparing your garden for winter feels overwhelming or you’d like some help designing a space that works year-round, this is the ideal time to consider getting some professional landscaping advice. Whether it's installing hardscaping, such as paths or patios, or creating low-maintenance planting schemes for the colder months, bringing in an experienced team can transform your outdoor space into something truly special.

At McIntyre Landscapes, we understand Sussex gardens, Whether you're in a chalky, clay, or sandy soil area, our team can offer expert advice tailored to your specific garden needs. From autumn garden tidy-ups to planting schemes for spring, we’re here to help you make the most of your outdoor space—without the stress.

October is a busy month for gardeners, but the effort you put in now will pay off next year. By tidying up, planting bulbs, caring for your lawn, and protecting plants from the coming cold, you’re setting your garden up for success. And if you ever feel like you need a bit of extra help or advice, don’t hesitate to reach out—we’re always here to assist, whether it's through a simple consultation or a complete garden makeover.

Happy Gardening!

Connor McIntyre :)