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15 gardening tips for July

🌿 15 Gardening Tips for July: Keep Your Garden Thriving All Summer

July is one of the most rewarding months in the garden. With long, warm days and plants growing at full speed, it’s the perfect time to enjoy your outdoor space.

These 15 gardening tips for July will help you stay on top of essential jobs, boost flowering, and maximise your harvest.

🌸 1. Sow Biennials for Next Year’s Blooms

Plan ahead by sowing biennials such as:

  • Foxgloves
  • Wallflowers
  • Honesty

Sow into trays or modules and grow on in a sheltered spot.

👉 Pro Tip: Transplant young plants in autumn for strong spring flowering.

✂️ 2. Deadhead & Cut Flowers Regularly

Keep summer colour going by deadheading:

Cutting flowers for indoor displays also encourages more blooms.

Freshly cut sweet pea flowers in a colourful bouquet
Deadheading a faded rose bloom using secateurs to encourage new flower growth

🌿 3. Cut Back Faded Perennials

Trim tired plants like:

  • Hardy geraniums
  • Delphiniums

This encourages fresh foliage and often a second flush of flowers.

🌼 4. Lift & Divide Perennials

Once flowering ends, it’s the perfect time to lift and divide overcrowded plants such as:

  • Bearded irises
  • Daylilies (Hemerocallis)
  • Hostas
  • Hardy geraniums

How to do it:

  • Lift clumps carefully with a fork
  • Divide into healthy sections (ensuring roots and shoots are intact)
  • Replant in well-prepared soil

For bearded irises, replant with rhizomes partially exposed so they can bake in the sun.

👉 Pro Tip: Dividing plants every few years keeps them vigorous, improves flowering, and gives you extra plants to use elsewhere in the garden.

🌿 5. Summer Prune Wisteria

Close-up of a gardener pruning wisteria with secateurs, cutting back long stems among soft purple flowers.

July is the perfect time to prune wisteria and keep this vigorous climber under control. Done correctly, summer pruning encourages better flowering and prevents the plant from becoming unruly.

✂️ How to Prune Wisteria in Summer

  • Cut back long, whippy side shoots to around 5–6 leaves from the main framework
  • Focus on this season’s growth, not the older woody structure
  • Remove any tangled, overcrowded, or wayward stems to improve airflow
  • Tie in strong new shoots to your support to build future structure

🌱 Pro Tips for Best Results

  • Use sharp, clean secateurs for precise cuts and to prevent disease
  • Avoid cutting back the main structural branches unless reshaping
  • Combine with a winter prune for maximum flowering potential
  • Feed with a balanced fertiliser after pruning to support recovery

🥬 6. Keep Sowing Salad Crops

For a continuous harvest:

  • Sow lettuce every 2–3 weeks
  • Grow in partial shade during hot weather
  • Use gaps where earlier crops (like potatoes or peas) have been harvested

This makes the most of your growing space and keeps beds productive throughout summer.

👉 Prevents bolting, keeps leaves tender, and maximises your garden’s yield with succession planting

Seed trays or young lettuce plants growing
Young Salad Plants in a seed tray
A Summer Vegetable garden

🐛 7. Watch for Pests and Diseases

Warm conditions bring increased pest activity.

  • Check leaves daily for damage
  • Remove pests by hand where possible
  • Encourage beneficial insects like ladybirds

👉 Early action prevents bigger problems later.

🌻 8. Keep Containers and Baskets Hydrated

Pots and hanging baskets dry out much faster than garden beds, especially during summer, so they need extra attention to stay healthy and vibrant.

  • Water daily, ensuring it drains from the base to fully soak the roots. For better water efficiency, place pots in a trough so they can absorb moisture from below.
  • Feed regularly with a liquid fertiliser every 1-2 weeks
  • Group pots and baskets together to help reduce moisture loss
  • Use water-retaining compost or add water gel crystals to help maintain consistent moisture levels
  • Remove faded flowers and dead leaves to keep plants looking fresh and encourage new blooms

🥕 9. Keep Harvesting Little and Often

Regular harvesting of your kitchen garden keeps plants productive.

  • Pick courgettes while small
  • Harvest beans frequently
  • Check crops daily during peak season

👉 The more you harvest, the more your plants will produce.

🔶 10. Control Weeds Before They Spread

Weeds grow rapidly in warm weather and compete with your plants for water, nutrients, and light. Staying on top of them early will save time and protect your garden’s productivity.

  • Hoe regularly on dry days to cut weeds off at the root and let them dry out on the surface
  • Remove weeds before they flower and set seed to prevent them spreading further
  • Focus on young weeds, which are much easier to remove than established ones
  • Apply a layer of mulch such as compost, bark, or straw to suppress new growth and retain moisture
  • Hand-weed around delicate plants to avoid disturbing roots
  • Keep pathways and edges clear to stop weeds creeping into beds

👉 Pro tip: Weed after rainfall or watering when the soil is moist. Roots come out more easily, making the job quicker and more effective.

🌿 11. Take Cuttings

Hand placing a softwood cutting into a small pot filled with compost, showing plant propagation.

July is an ideal time to propagate plants, as many shrubs are producing strong, healthy growth that roots easily.

  • Take softwood cuttings from shrubs such as lavender, fuchsia, and hydrangea
  • Choose healthy, non-flowering shoots about 10–15cm long for the best success rate
  • Remove the lower leaves and trim just below a leaf node to encourage root development
  • Insert cuttings into moist, free-draining compost and firm gently in place

 

  • Keep cuttings in a warm, sheltered spot out of direct sunlight
  • Cover with a propagator lid or a clear plastic bag to retain humidity

👉 Pro tip: Check cuttings regularly for moisture levels and ventilation. Too much moisture can cause rot, while too little will slow root formation.

🌼 12. Refresh Summer Bedding Plants

Keep your displays looking vibrant throughout the season.

  • Remove tired or leggy growth to encourage fresh blooms
  • Deadhead regularly to prolong flowering
  • Feed weekly with a liquid fertiliser for continuous colour
  • Replace any struggling plants to maintain impact

👉 Pro tip: A mid-season trim can revitalise bedding plants and produce a second flush of flowers.

🪴 13. Harvest Herbs Regularly

Frequent harvesting keeps herbs productive and full of flavour.

  • Pick herbs like basil, mint, and parsley regularly
  • Cut above a leaf joint to encourage bushier growth
  • Allow some plants to flower, then collect seeds once they have dried for future sowing
  • Use fresh or dry for later use

👉 Pro tip: Morning is the best time to harvest herbs when their essential oils are strongest.

🛠️ 14. Check and Maintain Garden Tools

Keeping your tools clean and well-maintained not only makes gardening easier but also helps protect your plants from damage and disease. Here’s how to care for your most-used garden tools.

Close-up of sharpening garden secateurs using a sharpening stone to maintain a clean cutting edge.
Close-up of a garden spade with soil sticking to the blade while digging into a garden bed.
  • Remove soil and debris with a stiff brush or water
  • Dry tools thoroughly to prevent rust
  • Clean blades after working with diseased plants

👉 Pro tip: Keep a bucket of sand mixed with a little oil to quickly clean and protect metal tools.

  • Apply oil to hinges on secateurs, loppers, and shears. Sharpen blades regularly to ensure clean cuts and reduce strain on plants
  • Wipe metal surfaces with an oily cloth to prevent rust
  • Keep moving parts smooth and easy to use

👉 Pro tip: A light household oil works well and only needs to be applied sparingly.

  • Hang tools up to keep them dry and organised
  • Avoid leaving tools outside in wet conditions
  • Use racks or hooks to prevent damage

👉 Pro tip: Good storage not only protects your tools but also saves time when gardening.

☀️ 15. Ventilate Greenhouses and Polytunnels

In July, temperatures inside greenhouses and polytunnels can rise quickly, putting plants under stress.

  • Open vents, doors, and windows daily to improve airflow
  • Use shading or netting to reduce intense sunlight
  • Water floors or damp down surfaces to help cool the space
  • Monitor temperature to prevent overheating

👉 Pro tip: Automatic vent openers are a simple upgrade that helps regulate temperature, even when you’re not around.

🌟 Conclusion: Stay Consistent for Summer Success

July is all about consistency. With regular watering, feeding, and harvesting, your garden will continue to thrive and reward you with colour, flavour, and beauty.

These gardening tips for July will help you stay in control during the busiest part of the season and make the most of everything your garden has to offer.

🌿 Visit Our Garden Centre in Kington

👉 Visit us in Kington today for expert advice, seasonal plants, tools, and everything you need to keep your garden thriving this summer.