Gardening Calendar

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

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Gardening calendar September 2024

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. 
  • 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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      Indoor 



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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.
      • Red our Blog: Spring veggies to plant now in WA for more ideas! 

      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, Maintenance & Harvest

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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.

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      Trees & Shrubs

      • Cut back ornamental grasses such as purple fountain grass.

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      Fruits

      • Enjoy the blooms of flowering fruit trees such as ornamental peach and plum, by cutting stems for indoors. Reduce the length of the stem by 1 cm each day to extend their indoor life.
      • Finger prune deciduous fruit trees by rubbing off the soft young shoots that are growing in the wrong direction.
      • Prune passionfruit to encourage new growth on which fruit will form

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      Vegetables & Herbs

      • The vegetable patch is likely to be bursting with garden fresh produce.
      • This is the time to start harvesting asparagus yum.
      • Be patient with your broad beans if there is lots of flower and not much in the way of beans. As the weather gets warmer and drier the pods will start to form. In the meantime, remember that the flowers are edible and add a lovely mild flavour to salads.
      • Make up a bamboo tripod for climbing beans, peas and even tomatoes.

      Lawn Care

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      • Spring is the best time to establish a new lawn from turf or seed. Make sure to prepare your soil well from the get go as its hard to amend afterward. If your soil is sandy dig in Baileys Soil Matters Clay & Compost. 
      • It's worth getting your soil tested every year. If the pH of the soil under your lawn is out of whack it can have a profound and negative effect on the performance of the grass regardless of how much food and water you lavish on it.
      • If couch or buffalo lawn has become spongy, it's the best time to dethatch. A vertimower will chop up the stem growth and toss it onto the lawn surface for raking off.
      • Compacted soil produces poor quality lawn and needs to be aerated. Various forms of aerating equipment can be hired to make the job easier. If you use a coring machine, then immediately rake Baileys Lawn Reviver into the grass. 
      • If your lawn is patchy after winter, it may need top dressing with a compost and loamy sand-based soil blend. Mow it short then dress with Baileys Lawn Reviver to get all the good stuff into the subsoil.
      • Give your lawn a flying start to spring by applying a granular fertiliser high in nitrogen now every 4-6 weeks, Use NEW! TURFECT Energy or 3.1.1. Plus, every 4-6 weeks at a rate of 25 g/m2.   Think little and often. 
      • For a professional finish, a liquid fertiliser can be incorporated as a regular part of your routine to ensure optimal colour in-between granular applications (or to provide a quick fix when your lawn isn't looking its best). Apply Baileys Turfect Green Plus every 4-8 weeks for that emerald green appearance.
      • Now is a great time to check all sprinklers are working well and covering correctly before the summer heat.  

      Pest Control

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      Flowers & Ornaments

      • Snails, slugs and caterpillars continue to wreak havoc so no letting up now on control measures.
      • Aphids love new shoots of rose and hibiscus and can make a mess of this tender new growth. Jet these off with a spray of water. Do this daily the aphids tend to get sick of being dislodged and go elsewhere.
      • Fungal diseases of roses can attack at this time of the year. Spraying with Triforine is the recommended control for black spot, rust and mildew.  Or try a preventative spray of one part organic milk to 10 parts water.

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      Fruits

      • Start spraying grapes with wettable sulphur as soon as new shoots emerge to combat powdery mildew. If you experience this problem regularly then repeat spray every two weeks until harvest time.

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      Lawn

      • Turf fungal diseases are at their most virulent during moist warm conditions. Treat with Bayleton fungicide

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