26 June - Cover staff leave

In the office Make sure duties are covered during staff annual leave. With a lot of equipment and tools in use at this time of year, an assessment can be made in terms of suitability and condition to update machinery purchase plans. Update spraying and sowing records.

Weeds Keep on top of weeds, including those emerging in paths and paved areas. Top up mulches on beds and borders.

Lawns Inspect damage caused by the families walking, picnicking and playing on grassed areas. A well-kept lawn is at the heart of a beautiful garden and any work to maintain healthy grass plants will be worth the time and effort. Consider adjusting visitor flow where areas are damaged.

Shrubs If necessary, certainly where they are straggly or branches are overcrowded, prune shrubs that flowered in May/early June. Remove fading flowers from rhododendrons, camellias and lilacs. Continue training wall plants, cut back wisteria and prune Clematis montana.

Roses Deal with suckers. If left to thrive, suckers will divert energy and reduce flowering potential of the plant. Remove fading blooms.

Flower garden Cut back stems of bearded iris after flowering and top dress poor soils with a general fertiliser. Thin hardy annuals as necessary and support, lightly feeding plants with developing buds. Deadhead herbaceous plants as soon as flowers are over. Keep an eye for aphids, especially on fuchsia. If gardening in the south, watch for fuchsia gall mite - it distorts growing tips. Feed chrysanthemums. Top up mulches on beds and borders. Consider sowing winter-flowering pansies. Feed container displays.

Kitchen garden Finish planting out Brussels sprouts, winter cabbage, savoys and broccoli. Use netting to protect from egg-laying cabbage whites. Sow turnips to produce a tender, golf ball-sized root. Stop cutting asparagus and mulch the beds. Summer prune gooseberries and spray for aphids, caterpillars and capsid bugs where problems are detected. Keep blackberries well mulched to conserve water and help swell the fruits. Continue to pull rhubarb until the end of the month. Harvest herbs for drying and make additional sowings of annual herbs.

Greenhouses & conservatories Pay attention to shading and venting. In hot weather, damping down paths and border soils can help to lower temperatures and reduce the risk of red spider attack.

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A monthly checklist of things to do and watch out for to keep your garden looking its best.