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Gardening Tips for June

April - Seed Planting

Now that summer is here it is important to find time to relax in the garden and enjoy nature's rich tapestry.

Flowers

  • Plant summer bedding
  • Plant up window boxes and troughs
  • Prune spring flowering shrubs to prevent them becoming overgrown
  • Thin out seedlings of hardy annuals that were sown directly into the soil
  • Sprinkle Rose Plus around Rose plants to encourage strong growth and a good flower display
  • Spray Roses with Rose Clear 2 to control pest and disease if necessary
  • Remove suckers from Rose bushes when they are seen
  • Support taller annuals and perennials with pea sticks pushed into the soil
  • Clip hedges
  • Water newly planted shrubs and perennials in dry periods

Fruit

  • Tie new canes of Raspberries and Blackberries onto wires, keep them separate from last years growth
  • Pick Rhubarb regularly and do not allow it to form flower spikes
  • Remove damaged branches from Damsons and Plums
  • Spread nets over soft fruit bushes
  • Check fruit cages for tears or damage
  • Put straw under Strawberries to protect from slugs

Vegetables

  • Thin out rows of previously sown vegetables allow them to reach their potential
  • Plant leeks when the plants are as thick as a pencil
  • Finish harvesting Asparagus
  • Keep onions well watered to ensure that the bulbs swell
  • Pull up soil around main crop potatoes
  • Plant leeks when the plants are as thick as a pencil
  • Pinch out tips of broad beans to discourage black fly

Lawns 

  • Mow lawns more frequently and reduce the cutting height if the grass is growing quickly
  • Water in dry spells provided that there is no hosepipe ban
  • Feed tired lawns with Miracle Gro lawn food to give them a boost
  • Apply a combined feed and weed if not already done

Greenhouse

  • Use a shade paint or netting on greenhouses to prevent over heating and scorching of tender plants
  • Feed all plants at least once a week
  • Use a biological control or fumigate if pests are a problem
  • Ensure that there is adequate ventilation
  • Continue training and feeding cucumbers and melons
  • Pick male flowers from cucumbers and pollinate female flowers
  • Soak the floor morning and evening to keep up humidity

Ponds 

  • Continue to feed pond fish
  • Remove any blanket weed by twirling it around a stick
  • Check filters on pumps to ensure they are not blocked

General Tasks

  • Take cuttings of Geraniums, Fuchsias, Coleus and house plants
  • Watch out for pest and disease in all areas and spray when necessary
  • Stake Herbaceous plants to prevent wind damage

Plants which are at their best in June

  • Lupinus (Lupins)    
  • Violas Deutzia Lavendula (Lavender) 
  • Philadelphus varieties (Mock Orange)
  • Papaver (Poppy) 
  • Hosta varieties (Plantain Lily)
  • Hardy Geraniums (Cranesbill)
  • Paeonies (Peony) 
  • Campanula (Bellflower)