Summer planting is one of the strongest planting windows in Australia. Warm soil drives fast root growth, longer daylight hours fuel photosynthesis, and trees planted now hit autumn already established.
The recipe: plant properly, water consistently, and pick a tree suited to the conditions. Here are ten tips that make summer planting brilliant.
1. Choose heat-loving trees
Some trees love heat. Olives, Crepe Myrtles, Brachychitons, and Lagerstroemias grow strongest when planted in warm soil. Cool-climate trees like Japanese Maple suit a cooler planting window for the smoothest start.
2. Plant early or late in the day
Early morning or late afternoon planting helps the new tree settle in comfortably. Overcast days are perfect.
3. Soak the root ball before planting
Submerge the root ball in a bucket of water for 10 minutes before going in the ground so it goes in fully hydrated.
4. Dig the hole twice as wide
Hole should be twice the width of the root ball and the same depth. Plant level for the strongest start. Roots love to spread out, not down through loose backfill.
5. Backfill with original soil
Skip extra fertiliser or potting mix in the planting hole. Trees love adapting to your soil from day one.
6. Water in deeply
20-30 litres of water through the planting hole at planting time. This settles the backfill and gives roots full contact with the soil.
7. Mulch generously
75-100mm of organic mulch in a 1 metre circle around the tree. Keep mulch a hand's width clear of the trunk for a healthy collar. Mulch drops soil temperature and locks in moisture.
8. Stake where necessary
Stake trees over 1.5m tall for the first two years. Use soft ties. Allow some movement so the trunk strengthens.
9. Deep water morning and evening for the first two weeks, then twice a week
For the first two weeks after planting, water morning and evening to build roots fast. Then 20 litres twice a week through the first six weeks, then deep weekly water for the rest of the first summer. Deep watering trains strong roots.
10. Skip the fertiliser
No fertiliser for the first three months. Roots establish strongest without a nutrient hit. Save fertilising for the following autumn.
Top picks for summer planting
These five trees love being planted in warm conditions. Each one settles in fast and rewards summer planters with strong first-year growth.
FAQ
Is summer planting a good idea? Yes, it's one of the strongest planting windows. Soils are warm, roots grow fastest, and trees often establish more quickly than in cooler seasons.
What's the best time of day to plant? Early morning or late afternoon. Save the heat of the day for the next deep watering.
How much should I water? Morning and evening for the first two weeks. Then 20 litres twice a week for the next four weeks. Deep weekly water after that.
Final thoughts
Summer planting builds stronger trees faster when you handle it right. Pick a heat-loving tree, prep the hole properly, mulch deep, and water consistently morning and evening for the first two weeks. The results outperform any other planting window.
Thank you for the helpful tips on summer tree planting. I’ll be sure to apply these strategies for successful tree establishment in my landscape this season. Looking forward to seeing my new trees thrive!
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