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Gardening Tips for August

August - Hanging Wall Baskets

Enjoying the end of the Summer and welcoming Autumn

Flowers

  • Prune Wistearia by reducing this year's growth to just five or six buds
  • Deadhead Roses regularly
  • Spray Roses to control black spot mildew and aphids
  • Water hanging baskets and containers at least once a day and feed once a week
  • Water Camellias regularly as they are now forming next year's flower buds
  • Dead head Sweet Peas to increase the flowering season
  • Tie in and train new growth on climbing and rambling Roses
  • Water newly planted shrubs and perennials in dry conditions
  • Late August: remove faded annuals and compost them

Fruit 

  • Check nets on fruit cages to make sure that they have not moved or been damaged
  • Finish training fruit trees by removing side shoots
  • Cut out one or two of the older stems in current bushes to allow new growth
  • Remove straw from under Strawberries that have finished fruiting
  • Finish picking Raspberries and prune summer varieties down to ground level

Vegetables

  • Concentrate on watering plants in flower and fruit
  • Earth up brussel sprouts to give them support as they mature
  • Earth up main crop potatoes to give an increased yield
  • Keep onions well watered to maximise yield
  • Sow salad crops directly into the ground to continue getting fresh plants

Lawns

  • Continue to mow grass raising the height of cut in dry weather
  • Irrigate the lawn if allowed to use the hosepipe

Greenhouse 

  • Damp down the greenhouse floor each morning to increase humidity
  • Pinch out side shoots on tomatoes and feed with Tomorite regularly
  • Ensure that all vents are working and close them on cool evenings
  • Shade plants to prevent scorching. Use netting or shade paint on the outside

Ponds

  • Continue to feed pond fish
  • Remove any blanket weed by twirling it around on a stick
  • Check filters on pumps to ensure that they are not blocked
  • Remove any plant material that has fallen into the pond to prevent the build up of disease
  • Top up as and when necessary

General Tasks 

  • Top canes with cane-caps to protect eyes
  • Clean paving or slabs with an algicide
  • Put pots of plants into gaps in the borders
  • Use a Residual Current Device (RCD) when using any electrical equipment in the garden
  • Feed the garden using a granular fertiliser like Growmore or Rose Plus

 Plants which are at their best in August

  • Oenothera (Evening Primrose)
  • English Roses
  • Fuschia (Lady Thumb or Tom Thumb)  
  • Nepeta Six Hills Giant (Cat Mint)
  • Echinops Ritro (Globe Thistle)
  • Perovskia (Russian Sage)
  • Ground cover Roses  
  • Hemerocallis (Day Lily)
  • Tropaeolum Speciosum (Flame Creeper)   
  • Hostas

See our Plant Finder for useful advice and information on these and other plants.
 

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