When to Plant Plum in Cairns, Tropical Guide
Photo: Wikimedia Commons
Two main types: Japanese plums (larger, juicy, eat fresh, most common in Australia) and European plums (smaller, denser flesh, better for drying/prunes and cooking). Japanese plums need less chill than European types. Many Japanese varieties need cross-pollination while European plums are often self-fertile. Subject to same diseases as peaches (leaf curl equivalent: silver leaf, brown rot). Grafted on plum or peach rootstock.
Best Planting Window for Tropical
Very marginal. Only high altitude tropics.
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How to Grow Plum in Tropical Australia
When to Plant
Very marginal. Only high altitude tropics.
- Soil
- Well-drained, slightly acidic. Better tolerance of clay than peach. Deep loam ideal.
- pH Range
- 5.5-6.5
- Sunlight
- Full sun, good air circulation.
Companion plants: Comfrey, Nasturtium
Avoid planting near: Previous stone fruit site
Tropical Growing Tips for Plum
Recommended Varieties
- Gulf Ruby
- Gulf Beauty (ultra-low-chill Japanese)
Key Challenges
- Insufficient chill
- Extreme fruit fly
Pro Tips
- Plums are poor performers in tropical zones.
Harvesting Plum
When ready: Full colour development. Slight give when gently squeezed. Sweet aroma. Japanese plums: slight softening. European plums: can harvest firmer.
How to harvest: Twist and pull gently. Handle carefully, plums bruise easily.
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