What to do in the garden for December

• Plant summer and autumn annuals
• Remove weeds and top up mulch
• Watch for sucker growth from below the graft on roses and remove
• Dianthus can be layered or cuttings taken
• Finish pruning spring flowering shrubs
• Deadhead annuals and perennials to promote more flowers
• Take cuttings of Daphne, Grevilleas and Buxus
• Remove whippy growth from Wisterias
• Twist off finished Rhododendron flowers & spray for lace bugs
• Divide Bearded Iris if congested, plant new outside growth and discard old rhizomes
• Continue to make sowings of vegetables
• Prune stone fruits and thin fruit if too heavy
• Watch for Pear and Cherry slug – spray with Success or Dipel