
September is a great month for gardening in Australia. With spring in the air, there are plenty of vegetables, fruits, herbs, and flowers to plant. It is the perfect time to prep the soil for spring and summer planting and to sow seeds. In addition to planting, there are many other gardening activities to be done, such as pruning, fertilising, and mulching.
| Characteristics | Values |
|---|---|
| Vegetables | Potatoes, cucumbers, spring onions, peas, beans, broccoli, cabbage, cauliflower, celery, corn, kale, leeks, lettuce, pumpkin, silver beet, spinach, zucchini, tomatoes, eggplant, capsicum, chilli, melons, carrots, beetroot, radish, rocket, turnip, kohlrabi |
| Fruits | Passionfruit, dragon fruit, grapes, mangoes, lychee, mulberry, rockmelon, paw paw or papaya, pineapple, watermelon, persimmons, pomegranates, guava, avocado, banana, citrus, macadamias, blueberries, feijoas, babaco |
| Flowers | Sunflowers, nasturtium, snapdragons, phlox, petunias, marigolds, celosia, roses, impatiens, calibrachoas |
| Herbs | Basil, Coriander, Lemongrass, Parsley, Rosemary, Chives, Chervil, Dill, Horseradish, Lovage, Mint, Sweet basil, Chamomile, Marjoram, Oregano, Catnip, Thyme |
| Other Activities | Pruning, fertilising, mowing, checking for pests, preparing soil, propagating |
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What You'll Learn

Vegetables and herbs
September is a great month for gardening in Australia. With spring in the air, there's plenty to plant and nurture. Here are some vegetables and herbs you can grow:
Vegetables
- Beans
- Broccoli
- Cabbage
- Cauliflower
- Celeriac
- Celery
- Corn
- Cucumber
- Kale
- Leeks
- Lettuce
- Pumpkin
- Silverbeet
- Spinach
- Spring onions
- Tomatoes
- Zucchini
Herbs
- Basil
- Parsley
- Chamomile
- Dill
- Coriander
- Marjoram
- Oregano
- Catnip
- Thyme
- Mint
- Chives
- Rosemary
- Lemongrass
It's also a good time to start preparing your soil for spring and summer planting by adding organic matter, compost, and manure.
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Flowers
September is a great month for gardeners in Australia, as spring has sprung and there are plenty of flowers to plant. Here are some ideas for flowers to grow in September in Australia:
Sunflowers
Sunflowers are a fun option to grow in September, especially if you have kids. You can encourage them to take part in a sunflower-growing contest, seeing who can grow the tallest sunflower or the sunflower with the biggest flower. To grow sunflowers, plant the seeds in well-worked soil in a sunny spot.
Roses
To keep your roses flowering, cut away old blooms. Once-flowering spring roses that have already bloomed can be pruned. You should also check roses for blotchy signs of black spot, and if present, spray them fortnightly with rose fungicide.
Nasturtiums, snapdragons, phlox, petunias, marigolds, and celosia
These flowers will add a lovely burst of colour to your garden. Nasturtiums, in particular, are edible flowers, so they can be used to decorate dishes and drinks.
Impatiens, calibrachoas, and petunias
If you want to prepare for a colourful Christmas, it's a good idea to pot up these flowers in September.
Strawberry and rose geranium shrub
This combination is a great way to add colour and fragrance to your garden. The strawberry and rose geranium shrub can be enjoyed in the afternoon once spring has arrived.
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Fruit
September is a great month for gardening in Australia. The chill is almost gone from the mornings in the southern parts, and the afternoons are getting longer. Blossoms are bursting and spring is in the air.
Passionfruit
Passionfruit is a popular and productive vine that will grow in most climates around Australia. It is time to prune passionfruit by a third to encourage new growth and fruiting.
Citrus
Citrus trees may need some help to recover from the cooler days. A serving of citrus fertiliser should do the trick. Check the trees for scale problems. A couple of fortnightly applications of horticultural oil or a soap-based spray will generally fix the problem. It is also a good time to plant citrus fruits, including lemons.
Strawberries
September is a good month to grow strawberries in Australia. You can even plant them in terracotta strawberry planters.
Pomegranates
Pomegranates are heat-loving trees, native to the Middle East, that grow well in Australia.
Pineapples
Pineapples are an easy-care tropical fruit that will grow in frost-free climates in Australia.
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Garden maintenance
September is a great month for gardening in Australia, with spring in the air and blossoms bursting. It's time to get out and get gardening! Here are some tips to help you maintain your garden this month:
Soil Preparation
Prepare your soil for spring planting by adding organic matter, such as compost and well-rotted manure. Don't forget to mulch the beds with straw mulch to retain moisture and suppress weeds. This will create a healthy environment for your plants to thrive.
Planting
There are plenty of vegetables, fruits, herbs, and flowers you can plant in September. Here are some options:
- Vegetables: Beans, broccoli, cabbage, cauliflower, celery, corn, cucumber, peas, pumpkin, silverbeet, spinach, spring onions, and tomatoes.
- Fruits: Passionfruit, paw paw, avocado, citrus fruits, and guava.
- Herbs: Basil, Coriander, Parsley, Chives, and Rosemary.
- Flowers: Nasturtium, snapdragons, phlox, petunias, and marigolds.
Pruning and Trimming
- Lightly trim Australian native plants to promote vigorous growth throughout spring.
- Cut back the foliage of already-flowered spring bulbs after they die down.
- Prune once-flowering spring roses that have already bloomed.
- Pinch out fuschia tips to encourage bushiness.
- Prune passionfruit by a third to encourage new growth and fruiting.
Lawn Care
Give your lawn a boost with spray-on fertiliser to help it recover from the cooler months. Raise the height of your mower blades by a few centimetres in drier areas to protect the grass from the sun and drying winds.
Pest Control
Check your citrus trees for scale problems. Treat them with fortnightly applications of horticultural oil or a soap-based spray to prevent citrus gall wasps.
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Plant care
September is a great month for gardening in Australia. The vegetable garden is at its most productive, and there are plenty of bulbs and flowers to plant. It is also a good time to prepare your soil for spring planting. Dig over the soil and add organic matter such as compost and well-rotted manure. Don't forget to mulch the beds with straw mulch.
If you're looking to add some colour to your garden, consider planting nasturtiums, snapdragons, phlox, petunias, marigolds, and celosia. You can also coax your kids into a sunflower-growing contest by planting sunflower seeds in well-worked soil in a sunny spot.
For your herb garden, September is a good time to plant basil, coriander, lemongrass, parsley, rosemary, and chives. You can also divide cymbidium orchids that have outgrown their pots.
If you have citrus trees, help them recover from the cool days by feeding them with a citrus-specific fertiliser. Check them for scale problems and treat with horticultural oil or a soap-based spray if necessary. Passionfruit vines can be pruned by a third to encourage new growth and fruiting.
If you're planting summer crops, you may need to start them off somewhere warm, such as on top of a hot water service. It's time to plant citrus fruits, blueberries, passionfruit, feijoas, guavas, and babaco (a type of paw paw that grows well in Melbourne).
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Frequently asked questions
Vegetables that can be grown in September in Australia include beans, broccoli, cabbage, cauliflower, celeriac, celery, corn, cucumber, kale, leeks, lettuce, pumpkin, silver beet, spinach, spring onions, tomatoes, zucchini, and peas.
Fruits that can be grown in September in Australia include passionfruit, paw paw, avocado, banana, citrus, macadamia, guava, and dragon fruit.
Herbs that can be grown in September in Australia include basil, coriander, parsley, rosemary, chives, dill, and thyme. Flowers that can be grown include sunflowers, nasturtium, snapdragons, phlox, petunias, and marigolds.











































