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December Gardening Calendar


   
Vegetable Garden
Fruit Trees
Flower Garden
Houseplants and Outdoor Containers
Lawns
  Printable Version

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

This is a month of rapid growth. Keep your garden well watered. Water before wilting to minimise stress on plants. Application of a compost mulch will help retain soil moisture. Also pay particular attention to weeding, feeding and spraying.

Gardening Tasks for December:

 

Vegetable Garden

December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Sow seeds directly into the soil: Beans, beetroot, carrots, parsnip, swedes, turnips, radish, spinach, lettuce, silverbeet and sweetcorn. Make successive sowings every two weeks.
 


 
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Plant seedlings of lettuce, broccoli, cabbage, cauliflower, spinach, tomato, sweetcorn, beetroot, pumpkin, courgette, capsicum, eggplant, melon, cucumber and gherkin.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Protect plants from caterpillars with Derris Dust.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Courgettes and cucumbers can be protected from powdery mildew by spraying with Copper Spray.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Feed tomatoes at least once a week with a fast acting liquid feed such as Phostrogen Tomato Food. Pinch out laterals (side growths) on tall tomato varieties as they grow and ensure they are firmly staked.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Apply a mulch of compost around vegetable plants to conserve soil moisture.
   


 

Fruit Trees

December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Feed fruit trees for bumper crops later and water well to prevent fruit drop.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Spray pip and stone fruit with Copper Spray to prevent fungus diseases.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Spray citrus with Copper Spray to prevent verrucosis and leaf curl.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Summer prune peach and nectarine trees as soon as fruiting is complete. This will help prevent the spread of silver leaf blight and leaf curl.
   


 

Flower Garden


 
 
 
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Sow seeds of ageratum, alyssum, aster, celosia, cosmos, cyclamen, gerbera, nasturtium, petunia, phlox, portulaca, rudbeckia, salpiglossis, sunflowers, verbena, viscaria and zinnia.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Plant seedlings of alyssum, aster, chrysanthemum, cosmos, dahlia, dianthus, gypsophila, nasturtium, impatiens, marigolds, petunia, phlox, portulaca, salvia, verbena, viscaria and zinnia.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Roses and perennials can still be planted. Keep new plantings well watered.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Prune roses lightly and water well in preparation for autumn flowering. Feed with Rose Fertiliser and spray with Super Shield to prevent pests and diseases.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Lift spring flowering bulbs once the leaves have died down completely and store in a cool dry place.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Mulch garden shrubs with compost to conserve moisture and so protect roots from hot sun, especially rhododendrons, azaleas and camellias.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Water each evening or early morning, especially plants in containers which will dry out quickly in hot or windy weather.
   


 

Houseplants and Outdoor Containers

December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Fill pots with flowering annuals such as petunias, marigolds, phlox or impatiens.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Keep up watering in warm weather. Installation of a Buyright in-ground irrigation system saves time and makes watering easy.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Use SaturAid to help plants survive infrequent watering while you`re away on holiday. This can be added without necessarily repotting the plants.
   


 

Lawns

December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Raise the lawn mower up a level for summer season. The longer lawn will aid in moisture conservation and helps to keep the lawn green.
December Gardening Calendar - Gardening Calendar - Gardening - how to guide from Mitre 10 New Zealand. Water in dry weather and apply fast acting lawn food such as Scotts Lawn Builder.
   

 

 

 
 
Helpful Links
Making Compost
Citrus - Put Zest Into Your Garden
Caring for Established Lawns
Buyers Guide To Lawnmowers
Container Planting
Garden with the Kids
 

 
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Limitation of Liability
This project has been produced to provide basic information and our experienced staff are available either in-store, or via phone or email, to answer any questions you may have. As this information is generalised Mitre 10 is not responsible for the application of the principles in any particular case, as the contents of this project may need to be modified for the particular site and circumstances. Consumers should always ensure that they comply with any local body bylaws that pertain to any construction project and consult a qualified tradesperson where expert services are required.
 
 

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