Brisbane and the surrounding areas are renowned for having streets and parks filled with flourishing trees and vegetation. There is an abundance of benefits from trees, including the provision of food and habitat for our local wildlife and birds, shade and oxygen. For the most part, leaving a tree alone to do what it does best is the ideal approach, however, our urban environment significantly restricts our ability to do this. If you are looking to make a solid contribution to our amazing ecosystem, below are 6 tips for healthy trees.
1. Mulch around the base of your trees
Apply a 3-10 cm layer of good quality mulch around the base of your trees. The mulch should start a few centimetres away from the base of the trunk and extend to the drip line (or at least up to 1 metre). Using a combination of woody & grassy mixture will enhance the soil, prevent weeds and preserve moisture.
2. Keep a watchful eye out for diseases
You do not need to be an expert to know there is something a little off about your trees. Keep an eye out for blotchy leaves, insect activity, scabs and blisters, unusual defoliation or yellowing. Once observed, we recommend that you call upon the experts to identify the exact cause to prescribe the appropriate management to correct the problem.
3. Watch the whipper snipper
Mowers and whipper snippers can be enemies for trees, chipping the bark and creating wounds which make an entry point for diseases. Be careful when your are doing yard maintenance around the roots and trunk of your trees. We recommend staying well away from the area, although not always acheivable not mowing below the canopy is the best guide. We are, however, realists and 1 metre away from tree bases should suffice.
4. Protect tree roots
Parking your car under a tree, or driving machinery over the root system can cause soil compaction. Compaction of the soil is detrimental to a tree by reducing oxygen levels and can decrease soil drainage. Over time, it will eventually kill your tree. The root system of a tree can extend much further than the drip line of the tree, and the larger the tree..the bigger the root system.
5. Call in an expert to prune your trees
In addition to your own safety, arborists are a qualified professional who knows the specifics on requirements for different tree species. Harsh or over-pruning can promote regrowth which springs back quickly and weaker. Experts can eliminate crossing branches that rub against each other creating wounds, and remove dead and broken branches. They will also be happy to impart as much knowledge as possible with you to help keep the tree in tip-top shape!
6. Water Effectively
Our final of the 6 tips for healthy trees is a tricky one. Watering is a very nuanced science and can be impacted by a range of other factors. Overwatering can be as detrimental as underwatering and many factors such as environmental conditions, soil health and composition and sunlight hours can impact how much you water your trees1. Try doing some research on what kind of trees you have to determine how drought tolerant they are. Larger and more mature trees may not need much assistance, however, South East Queensland can be prone to extreme and prolonged high temperatures which may affect all trees. We recommend monitoring your tree health and adjusting your watering schedule accordingly, if there has been lots of rain, it goes without saying, you probably don’t need to think about watering, but keep an eye on your soil drainage and seek advice if your garden is not draining effectively. Similarly, if we are having a dry season and you can see that your trees are suffering, ensure you keep up the water in a responsible manner – watering at night and mulching to keep water in the soil more effectively.
Read more about why tree care is important here.