Growing Conditions · Queensland
Isaac Growing Conditions
Soil, climate and a planting calendar for Isaac — across 11 postcodes.
Climate & hardiness
A cool-temperate area — ANBG Zone 2 — with winter lows near 5°C and light to moderate frost. Most temperate garden plants thrive; keep frost-tender subtropicals to a warm, sheltered spot or grow them under cover.
Rainfall & growing season
Moderate rainfall (846mm a year) — enough for most gardens without heavy irrigation, though pots, lawns and new plantings need watering through summer. A frost-free, year-round growing season (~365 frost-free days) — something can be planted or harvested in every month, with warmth (and in the north, the wet season) setting the rhythm rather than cold.
Planting Calendar for Isaac
In the tropics and subtropics, the cooler, drier autumn–winter months are the easiest time to plant and establish new gardens.
Southern-Hemisphere timings, guided by this area's ~365 frost-free days and ANBG Zone 2; adjust for a cold or exposed garden.
Conditions by Postcode
| Postcode | Soil | Climate zone | Rainfall |
|---|---|---|---|
| 4707 | — | ANBG Zone 3 | 882mm |
| 4724 | — | ANBG Zone 2 | 490mm |
| 4737 | — | ANBG Zone 4 | 970mm |
| 4738 | — | ANBG Zone 4 | 970mm |
| 4739 | — | ANBG Zone 4 | 970mm |
| 4741 | — | ANBG Zone 3 | 1018mm |
| 4742 | — | ANBG Zone 2 | 933mm |
| 4743 | — | ANBG Zone 2 | 989mm |
| 4744 | — | ANBG Zone 2 | 790mm |
| 4745 | — | ANBG Zone 2 | 666mm |
| 4746 | — | ANBG Zone 2 | 627mm |
Planning work in Isaac?
Browse ABN-registered landscaping businesses in the area.
