November Gardening Guide: What to Plant and Do This Month

Get your garden summer-ready with seasonal planting, water-wise care, pruning tips and simple ways to encourage healthy growth

By Olivia Vergunst | October 27, 2026 | Category gardens

November is a busy month for gardeners across South Africa. As spring gives way to summer, plants enter a period of active growth, making it the ideal time to refresh flower beds, tend to lawns and get the vegetable garden ready for the warmer months. Conditions vary across the country, however, so use your local weather, soil type and garden’s microclimate to guide your approach.

1. Plant Flowers for a Colourful Summer Garden

If your garden needs a seasonal refresh, November is a good time to introduce summer-flowering annuals. Zinnias, cosmos, marigolds, celosias, salvias and portulacas bring colour to sunny borders, while begonias and impatiens are useful choices for shadier areas. Planting a mix of flowers with different heights and flowering periods will help maintain interest through summer.

Zinnias, cosmos and other sun-loving annuals bring vivid colour to summer borders, creating a lively seasonal display

Dahlias and other summer bulbs can also add structure and colour. Keep newly planted bulbs moist while they establish, and stake taller varieties where strong winds could damage their stems. For a garden that supports local wildlife, consider flowering shrubs that attract birds and pollinators.

2. Make Watering and Mulching a Priority

Warmer weather can quickly dry out exposed soil, particularly in areas with sandy ground or little summer rainfall. Water deeply when needed rather than relying on frequent, shallow watering, and aim to water early in the morning to reduce evaporation.

Mulching is one of the simplest ways to help retain soil moisture, moderate soil temperature and suppress weeds. Apply a layer of organic mulch, such as composted bark, leaf mould or suitable garden compost, around trees, shrubs and flower beds. Keep it clear of plant stems and tree trunks to reduce the risk of rot.

Mulch helps retain soil moisture in hot weather, while indigenous plants bring texture and resilience to water-wise gardens

In water-conscious gardens, improve soil with compost and group plants according to their watering needs. Indigenous plants suited to your region can be particularly useful, as many are adapted to local conditions and can require less supplementary watering once established.

3. Get the Vegetable Garden Growing

November is an excellent time to plant warm-season crops. Depending on your region, sow or plant tomatoes, cucumbers, pumpkins, butternut, baby marrow, beans, sweetcorn, chillies and peppers. Basil is another worthwhile addition, providing fresh leaves for summer cooking.

Tomatoes, leafy greens and fresh herbs turn a sunny vegetable patch into a productive garden for summer harvesting

Prepare beds with compost before planting and check that the soil drains well. Water seedlings regularly while their roots develop, and mulch around established vegetables to help conserve moisture. Harvest crops as they ripen, remove weeds before they compete with young plants and inspect leaves regularly for aphids, whitefly and other pests. A healthy, diverse food garden is easier to maintain when problems are spotted early.

4. Prune Carefully and Feed for Healthy Growth

Use November to tidy plants that have finished flowering, rather than cutting everything back at once. Deadhead spent flowers to encourage further blooms where appropriate, and prune suitable flowering shrubs after their display has ended. In the Western Cape, certain fynbos plants, including buchus, ericas and proteas, can be lightly pruned after flowering; avoid cutting into old wood where a plant may not regenerate well.

Deadheading spent blooms and pruning suitable shrubs help keep the garden tidy and encourage healthy new growth

Feed lawns, flowering plants and vegetables according to their needs, using an appropriate fertiliser and following the product instructions. Water after applying fertiliser where directed, and avoid feeding plants that are stressed by drought or extreme heat until conditions improve.

5. Prepare Your Garden for Summer Entertaining

With the festive season approaching, November is the time to make outdoor spaces more inviting. Trim lawn edges, clear paths, tidy pots and refresh containers with seasonal colour. Check that pots have unobstructed drainage holes, and remember that plants beneath roof overhangs may need watering even after rain.

A garden terrace with potted plants and an inviting outdoor table creates a relaxed setting for summer meals and gatherings

Before going away, weed beds, water thoroughly, replenish mulch and check irrigation systems for leaks or blocked emitters. A little preparation now will help your garden remain healthier while you are away.

Ultimately, the best November gardening routine is one that responds to your garden rather than following a rigid checklist. Prioritise healthy soil, sensible watering and seasonal planting, and your outdoor space will be better prepared for the long, bright days ahead.

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