Autumn is a golden season in South East Queensland. While much of Australia is winding down their gardens, our subtropical climate means it’s the perfect time to dig in and get growing. With milder temperatures, lower humidity, and still-warm soil, autumn is ideal for planting, feeding, and preparing your garden for a thriving winter and spring.
Here are our top gardening tasks for autumn in SEQ:
🌱 1. Planting Veggies and Herbs
Autumn is the best time to plant cool-season vegetables. The heat has eased, but the soil is still warm enough to encourage quick germination and strong root growth.
Veggies to plant now:
- Broccoli
- Cauliflower
- Cabbage
- Kale
- Silverbeet
- Lettuce
- Spinach
- Carrots
- Beetroot
- Onions
- Garlic (late autumn)
Herbs to plant:
- Coriander (loves the cooler weather)
- Parsley
- Dill
- Thyme
- Chives
Tip: Use a quality compost and a slow-release organic fertiliser to give seedlings a strong start.
🌸 2. Autumn Flowering and Shrubs
Now’s the time to plant flowering annuals and perennials that thrive in cooler temperatures. These will brighten your garden through winter and into spring.
Great flower choices:
- Pansies and violas
- Snapdragons
- Marigolds
- Petunias
- Salvia
- Calendula
You can also plant natives and hardy shrubs, which establish well in autumn before the cooler months set in. Consider grevilleas, callistemons, and westringias for colour and bird attraction.
🍂 3. Mulching and Soil Health
As we head into the dry season, mulching is essential. A good mulch:
- Retains soil moisture
- Suppresses weeds
- Keeps roots cool and protected
- Adds organic matter as it breaks down
Choose mulch that suits your garden – tea tree, sugarcane, or bark mulches are all great options. Apply 5–7 cm thick, keeping it a few centimetres clear of stems.
Don’t forget to top up your compost piles and garden beds with organic matter like aged manure, compost, and worm castings to boost microbial life and soil structure.
🌾 4. Feeding the Garden
After a long, hot summer, your garden is ready for a pick-me-up. Autumn is a great time to feed lawns, trees, and plants to strengthen them before winter.
- Use a balanced slow-release fertiliser for most plants.
- Citrus trees benefit from a specialised citrus feed.
- Lawns respond well to a high-nitrogen autumn lawn fertiliser to keep them green longer.
- Veggies love organic fertilisers like blood and bone, seaweed tonic, or worm tea.
- Feed lightly but regularly to avoid nutrient leaching during any unexpected autumn rains.
✂️ 5. Pruning and Maintenance
Autumn is a great time to tidy up and shape your garden before winter:
- Lightly prune shrubs and hedges to encourage compact growth.
- Cut back spent summer perennials.
- Deadhead flowering plants to prolong blooming.
- Clean up fallen leaves and debris to prevent pests and diseases.
- Check irrigation systems—reduce watering as temperatures drop, but make sure systems are in working order for dry winter spells.
🐝 6. Support Local Wildlife
Autumn gardens can be a haven for beneficial insects and birds. Plant nectar-rich flowers to attract pollinators, and consider adding a bird bath or insect hotel to encourage biodiversity.
Final Thoughts
Gardening in South East Queensland in autumn is incredibly rewarding. With the right prep now, you’ll enjoy a lush, productive garden through the cooler months and set the stage for a flourishing spring. Whether you’re refreshing your veggie patch, adding vibrant autumn colour, or simply topping up your mulch—every effort you make now will pay off in the months ahead.
Need the best mulch, soil, compost, or garden advice? Come visit us at Grow Landscape Yard – we’ve got everything you need to grow your garden with confidence this autumn.
