Tropical
Open climate guide →JanWaitFebWaitMarWaitAprWaitMayPlantJunPlantJulWaitAugWaitSepWaitOctWaitNovWaitDecWait
Aim for May, June.
Grow for Beauty
When to plant Iris in Australia
A practical climate-by-climate starting point for planting iris, plus care details to help it establish well.
StartPlant divisionsLightFull sunTimingFlowers in the next seasonDifficultyEasy
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Australian planting calendar
Best months by climate
Highlighted months are the usual planting window. A local nursery, seed packet and current weather forecast should take priority over a broad climate calendar.
Subtropical
Open climate guide →JanWaitFebWaitMarPlantAprPlantMayPlantJunPlantJulWaitAugWaitSepWaitOctWaitNovWaitDecWait
Aim for March, April, May, June.
Temperate
Open climate guide →JanWaitFebWaitMarPlantAprPlantMayPlantJunPlantJulWaitAugWaitSepWaitOctWaitNovWaitDecWait
Aim for March, April, May, June.
Cool temperate
Open climate guide →JanWaitFebWaitMarPlantAprPlantMayPlantJunPlantJulWaitAugWaitSepWaitOctWaitNovWaitDecWait
Aim for March, April, May, June.
Mediterranean
Open climate guide →JanWaitFebWaitMarPlantAprPlantMayPlantJunPlantJulWaitAugWaitSepWaitOctWaitNovWaitDecWait
Aim for March, April, May, June.
Care essentials
Help iris settle in
- Soil
- Well-prepared soil with compost and reliable drainage
- Water
- Keep moist while establishing, then water deeply when the surface dries
- Spacing
- Usually 20–60 cm; check the mature width on the label
- Patch tip
- Remove spent flowers where appropriate to extend the display and reduce disease.