Keeping Your Garden Thriving This Spring: A South East Queensland Guide

Spring in South East Queensland is when the garden really starts to earn its keep. The days are warming, the light is longer, and after a mild winter your plants are ready to push out new growth. It's also a season that can catch gardeners out - sudden dry spells, temperature swings, and a burst of pest activity can undo months of good work if you're not paying attention. Here's how to keep everything thriving from September through November.

Get the soil right before you plant anything

Healthy soil is the foundation of everything that follows. Our sandy and clay-heavy local soils both benefit from a solid dose of organic matter before the spring planting rush. Dig in compost or well-rotted manure to improve structure, drainage, and moisture retention. If you're working with shallow or poor soil, consider building raised beds up to 200–300mm to give roots more room to establish.

It's also worth testing your soil pH if you haven't in a while. Most vegetables and ornamentals prefer a slightly acidic to neutral range, and getting this wrong is one of the quickest ways to end up with yellowing leaves and stunted growth no matter how much fertiliser you throw at the problem.

Water early, water deep

Spring in SEQ often brings dry stretches before the summer storms roll in, so don't assume the season will do your watering for you. The golden rule is to water early in the morning. This reduces evaporation, gives foliage time to dry before nightfall (cutting down on fungal problems), and means your plants aren't going into the heat of the day already stressed.

Aim for deep, less frequent watering rather than a light daily sprinkle. Deep watering encourages roots to grow downward in search of moisture, which builds more resilient plants heading into summer. A drip irrigation system is worth considering if you're tired of dragging hoses around - it delivers water straight to the root zone and wastes far less than overhead sprinklers.

Mulch like you mean it

If there's one single habit that makes the biggest difference in an SEQ spring garden, it's mulching. A good layer of organic mulch - straw, sugar cane, or bark - keeps soil temperatures more stable, locks in moisture, and suppresses the weeds that will otherwise compete with your plants for water and nutrients. Top it up to around 5–7cm, and keep it pulled back slightly from stems and trunks to avoid rot.

Feed your plants as they wake up

Spring growth spurts mean your plants are hungry. As the weather warms, feed with a balanced fertiliser to support the flush of new leaves, shoots, and flowers. Vegetables in particular respond well to a regular liquid feed through the season, especially heavy feeders like tomatoes.

Don't forget your established shrubs and trees either - a light fertilise now sets them up for stronger flowering and healthier foliage right through summer.

Prune, deadhead, and tidy up

Spring is the ideal time to cut back tropical plants and any winter-damaged foliage, since the warming weather means they'll reshoot quickly and vigorously. Deadheading spent flowers on your ornamentals isn't just about tidiness - it redirects the plant's energy into new blooms rather than seed production, keeping the colour coming for longer.

For fruiting and flowering shrubs, check what's appropriate to prune now versus after flowering, as timing varies by species. If you're not sure, it's always worth asking before you cut.

What to plant now

Spring is one of the most productive planting windows of the year in our climate. Good options include:

• Vegetables: tomatoes, capsicum, cucumber, zucchini, beans, beetroot, carrots, sweet corn, and pumpkin

• Leafy greens: lettuce, silverbeet, and kale

• Herbs: basil, mint, thyme, oregano, and coriander

• Flowers: zinnias, sunflowers, marigolds, and pansies for a splash of colour

Succession planting - sowing small batches every couple of weeks rather than everything at once - will keep your harvest steady rather than all landing at the same time.

Stay ahead of pests

Warmer weather wakes up more than just your plants. Aphids, caterpillars, and fungal issues tend to ramp up through spring, so get into the habit of checking the undersides of leaves regularly. Catching an infestation early, before it spreads, makes a real difference - and an integrated approach using companion planting, hand removal, and targeted organic treatments will keep your garden healthier long-term than reaching straight for a chemical spray.

Sourced through Ibrox Park Nursery

Every garden in Burbank and across South East Queensland is a little different - soil, sun exposure, and microclimate all play a part in what will genuinely thrive on your property. Ibrox Park Nursery supplies quality plants to the trade on a wholesale basis, and our team is always happy to help landscapers, retailers, and industry professionals select the right stock for what their clients need this spring.