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Gardening Calendar

Browse our monthly calendar for advice on what to plant, prune, and feed each month. 

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Gardening calendar September 2021

Planting

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Flowers & Ornamentals

  • Flowers to plant in September include carnation, dahlia, impatiens, lobelia, nasturtium, snapdragon, sunflower, vinca, petunia, marigolds and salvia.

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Pot Plants

  • If outdoor potted plants have been in the same mix for two years, this needs replacing, and September is the best time to do it. If you can move these plants up to a larger pot then do so. If not, excavate old mix from around the edge of the pot so you can add in good quality fresh mix, such as Baileys Premium Potting Mix. 
  • Indoor plants that need more room can also be re-potted now the weather is warming up. Use a top of the line mix such as Baileys Indoor Premium Potting Mix. 
  • Cymbidium orchids can be split and re-potted if they are becoming overcrowded in their current pot. Use a specialist orchid potting mix because these plants demand extremely free drainage.
  • For instant colour, plant up large pots or containers with advanced spring flowering annuals. 


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      Edibles

      • It's time to refresh the herb garden as the warm or semi-tropical herbs will have died off or succumbed to fungal diseases. Plant basil, chives, lemongrass and mint.
      • In the veggie patch plant tomatoes, eggplant, cucumber, broccoli, beans, zucchini, chilli, cabbage, leek, radish, rhubarb, beetroot, lettuce and spinach. September is also your last chance to plant potatoes and peas. Use Baileys Veg & Herb Premium Planting in pots, planters and raised beds.
      • Graft apple, pear or nashi scions onto your existing trees to broaden the range of varieties on your home patch.
      • Chokos can be planted now. Remember that they need a climbing support. Half bury the full fruit.

      Feeding

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      Garden Beds

      • Now's a great time to give garden beds a refresh and all over feed with new compost and a broad spectrum fertiliser. A layer of Soil Improver Plus lightly turned into beds will boost microbial  activity, improve water and nutrient holding and add vital soil carbon. Then apply Baileys Blood and Bone and rock minerals, or and organic based all-in-one product like Baileys Soil Matters Garden.

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      Native Plants


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      Edibles

      • Continue to feed your vegetables right through the spring growing season using an organic based, all purpose fertiliser like Baileys Veg, Tomato & Herb.
      • Fertilise your citrus trees. Oranges, limes and lemons will continue to flower and set fruit. Use Baileys Fruit and Citrus, high in potassium, calcium and magnesium.



      Pruning and Maintenance

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      Flowers & Ornaments

      • Prune Kangaroo paw flowers off to ground level when these are spent and starting to dry out. This keeps the bush looking fresh and encourages more flower spikes to grow.
      • Prune hibiscus by at least a third also removing any branches lying on the ground.
      • Remove spent flowers of spring flowering bulbs so that they don't waste energy on seed production. However it is important to leave the foliage as it continues to nourish the bulb and results in better flowering next year.
      • Evergreen summer flowering plants can be pruned to shape now including oleander, allamanda and dipladenia.
      • Use hedge clippers to take off spent flowers of dianella before the new season flower spikes come through.