June is a busy time in the garden, but everything should be looking its absolute best. The warm weather is here and your garden is in its final flourish before it begins to slow down due to the more intense heat of July and August. There can be lots to keep on top of in June, but with our handy checklist those gardening essentials will soon be through and you can sit back and enjoy it.
Protect your garden from the hot weather
Watering is essential as the temperature rises, so make it part of your daily routine. Borders, bedding, pots and containers, hanging baskets and even the grass need to get a regular drink or they could wilt and die.
Borders and Plants:
Deadhead regularly/ Removing the flowers as they fade will keep your display looking good and encourage more blooms.
Plant out summer bedding.
Hoe borders and beds regularly to keep weeds down.
Liquid feed containerised plants every two to four weeks.
Check for first signs of blackspot, aphid and rolling sawfly on roses and treat with a suitable pest and disease control
Cut back dead bulb foliage if not done already. It is important to wait until the foliage dies down naturally.
Any gaps in your herbaceous borders should be filled with summer bedding plants for now.
Divide hostas as they come into growth.
Deadhead flowering perennials such as Lupinus and Delphinium to promote a second flush of flowers later in the season.
Pruning and training:
Herbaceous perennials can grow quickly and to a large size, so will need staking to provide support and avoid collapsing- this is particularly true of taller plants like delphiniums. Tie in climbing and rambling roses as near to horizontal as possible to restrict sap flow and cause more side-shoots to grow along the length of stem resulting in more flowers.
Prune out any frost damage from evergreen shrubs.
Prune flowering shrubs such as Deutzia, Kolkwitizia, Weigela and Philadelphus after they have finished flowering. If you leave this too late the flowers may not have enough time to develop for next year.
Continue to clip evergreen hedges such as privet and box. This is the best time of year to prune deciduous magnolias once the plant is in full leaf.
Prune overcrowded, dead or diseased stems from Clematis montana once it has finished flowering it can take cutting back very hard.
Take softwood cuttings of deciduous shrubs including Caryopteris, Forsythia, lavender, Fuchsia, Hydrangea macrophylla, Philadelphus and Spiraea and rosemary if not done last month.
Mow lawns regularly to keep them healthy - removing a 'little and often' is the key.
Cut the lawn edges to keep them neat and well shaped.
Apply a high nitrogen summer lawn fertiliser if not done last month to encourage a healthy-looking lawn.
Moving garden furniture etc regularly to stop the grass underneath from dying off.
Selective weedkillers are available for lawns that will kill the weeds but not the grass. Moss killers are also available.
Disperse dry worm casts with a hard-bristled broom.
Ant hills will also cause bumps in your lawn at this time of year.
Removing dirt and algae from paving and patios will stop them becoming slippery when wet – your gardener may have a pressure washer to do this.
Check and repair wooden structures.
Paint wooden structures with a wood preserve.
Keep ponds and water features topped up and clean out pond filters.
Now the garden is full of growth and the lawn is being cut regularly, there will be plenty of material available for composting.
Remove any out of date chemicals from your shed or garage – your gardener has list of chemicals that have been banned.
Make sure bird baths and bird feeders are kept topped up to encourage birds to your garden.
Enjoy your garden and don’t forget to take time and stop and stare at the wonder of nature. Happy gardening!