Gardening Practices We Need to Learn From

There is something quietly profound about a garden that is truly cared for. Not just planted and left to fend for itself, but responded to, observed, and tended with genuine attention. Most of us have walked through a public garden or a neighbour’s yard and felt that difference between a landscape that is merely surviving and one that is visibly thriving. The gap between the two often comes down not to design, but to practice.

As someone who works with gardens of all shapes, sizes, and conditions across Melbourne, I find myself continually drawn to the fundamentals of good gardening. Not trends, not the latest materials, but the time-honoured sustainable gardening practices that make a real difference to how plants grow, how soil behaves, and how a garden actually feels to be in. 

Two of those practices, mulching correctly and using irrigation wisely, are worth exploring in detail because they are also among the most misunderstood.

Most effective gardeners are those who genuinely connect with their gardens, creating spaces that feel alive and meaningful, inspiring a sense of pride and attachment. 

When we garden with that mindset: checking in, adjusting, responding to what the plants are telling us, everything improves. This matters for home gardens just as much as it does for large-scale public landscapes. 

The principles of attentive gardening apply whether you have a small courtyard in Richmond or a half-acre plot in the outer suburbs. And the first place that attentiveness often makes the biggest difference is in how we mulch.

Mulching is one of those sustainable gardening practices that almost everyone does, but not always in a way that suits our specific climate.

In Australia’s southern states: Melbourne, Adelaide, Hobart, Perth, and Canberra, summers are dry. Light rain, long dry spells, and high evaporation rates are the norm.

Yet many gardens, and most public landscape contracts, still specify a thick layer of woody mulch as the default, year after year. The problem is that woody mulch behaves very differently here than it does in regions with humid summers and heavy rainfall.

Kirkpatrick’s Landscape Australia article highlights one key issue: woody mulch is approximately 400 times higher in carbon than in nitrogen, and the micro-organisms that break it down need nitrogen, so they rob it from the soil below. The result is nitrogen drawdown: plants with yellowing leaves, stressed root systems, and reduced vitality.

In public landscapes where no one actively monitors or adjusts, this cycle can quietly continue for years. There is also a hydrophobic problem. As woody mulch breaks down in dry climates, it can form a water-repellent layer that actually prevents rainfall from reaching the soil beneath. If you have ever watered your garden and noticed the water pooling or running off rather than soaking in, this could be why.

For home gardeners, the good news is that these problems are very manageable once you know what to look for.

If you are continuing to use woody mulch, applying a high-nitrogen fertiliser periodically helps counteract the drawdown effect and keeps your plants well-nourished through the breakdown process.

In dry summer climates, inorganic mulches like gravel or decomposed granite can help your garden stay resilient, giving you confidence in sustainable choices. They don’t break down, don’t create a hydrophobic barrier over time, and help your garden stay resilient by allowing rain to reach the soil more effectively. This can give you confidence in making sustainable, climate-appropriate decisions.

I have used these successfully across several Melbourne projects, particularly in garden beds with drought-tolerant plantings and Australian native species. Once you adjust to the look, they are beautiful, long-lasting, and require very little ongoing maintenance. It is one of those mulching technique shifts that pays off every single season.

Irrigation is another area where the conventional thinking has become a little confused.

There is a growing tendency, especially in projects chasing sustainability credentials, to avoid irrigation entirely, as if watering a plant is somehow damaging to the environment. I understand the intent, but the logic does not always hold up in practice.

The truth is, we need more vegetation in our cities. Trees that cast shade, understorey plantings that support pollinators and wildlife, and diverse garden beds that cool the urban environment; all of these require water, particularly while they are getting established. 

As Kirkpatrick notes in his Landscape Australia article, our dry summer cities need irrigation to increase vegetative biomass meaningfully, and that irrigation does not have to be permanent. Recognising this can empower you to take responsible action for a thriving, sustainable garden.

Avoiding irrigation altogether can actually undermine sustainability goals, resulting in stressed, struggling plants that never truly establish and eventually need to be replaced entirely. That is far more resource-intensive than giving a young plant the water it needs to put down strong roots in the first place.

The establishment period is crucial; consistent watering during this time helps your plants develop strong roots, empowering you to nurture a thriving garden.

You’ll need to monitor for signs of stress, ensure roots are developing well, and adjust watering as needed. This careful approach builds resilience and long-term health for your garden.

Once that establishment phase is complete, you can scale irrigation back significantly or remove it altogether for many species. This is not wasteful; it’s a strategic, considered investment in the long-term health of your garden.

For Melbourne gardeners especially, setting up a simple drip irrigation system with a timer during the planting phase, then transitioning to rainfall-dependent watering once plants are established, is one of the most practical and impactful things you can do.

It requires a little planning at the start, but the difference it makes to how plants grow and how your garden looks in years two, three, and beyond is remarkable.

Perhaps the most important sustainable gardening practice is simply changing how we think about our relationship with the garden.

A garden is not a static installation that gets planted once and maintained on a fixed schedule. It is a living system that changes with the seasons, responds to everything you do, and gives you constant feedback, if you are willing to look.

Notice when a plant looks stressed and respond before it is too late. Adjust your mulching approach when the soil feels dry even after rain.

Think of irrigation during establishment as an investment, not an indulgence. And above all, stay curious. 

The most beautiful gardens I have seen are the ones

that stop you in your tracks and make you want to spend time in them. They’re the ones where someone has been paying genuine, ongoing attention. Not necessarily spending more money, but putting in more observation and care. These are the gardening practices that produce the results we all want: gardens that are lush, resilient, and full of life, year after year.

Acknowledgment:

Inspired by Alistair Kirkpatrick’s article “Mulch and Water: Learning from Garden Practices,” published in Landscape Architecture Australia (March 2026). Read the full article at landscapeaustralia.com.