Growing Conditions · Australian Capital Territory
Unincorporated ACT Growing Conditions
Soil, climate and a planting calendar for Unincorporated ACT — across 29 postcodes.
Soil
The soil most gardeners hope for: a balanced, free-draining loam that holds moisture without waterlogging and suits almost everything — lawns, vegetables, natives and ornamentals alike. It asks little beyond an annual mulch to keep its structure. A clay-loam subsoil beneath drains moderately and holds a useful reserve of moisture into summer, though low spots can still sit wet after heavy rain.
Climate & hardiness
A cool-climate area — ANBG Zone 1 — with the coldest nights in the country, down near -4°C, and real frosts through winter. Choose frost-hardy and cool-climate plants, hold tender crops until the frosts clear, and shelter young growth from cold winds.
Rainfall & growing season
Moderate rainfall (659mm a year) — enough for most gardens without heavy irrigation, though pots, lawns and new plantings need watering through summer. A long, largely frost-free season (~340 frost-free days), with only light frost risk at the margins of winter.
Watering & drainage
This soil holds only a modest reserve of water for plants (about 102mm), so it dries between rains — mulch heavily, improve it with compost, and water little and often through summer.
Planting Calendar for Unincorporated ACT
Southern-Hemisphere timings, guided by this area's ~340 frost-free days and ANBG Zone 1; adjust for a cold or exposed garden.
Conditions by Postcode
| Postcode | Soil | Climate zone | Rainfall |
|---|---|---|---|
| 0200 | fertile, moisture-holding silty loam over clay loam | ANBG Zone 1 | 610mm |
| 2600 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 693mm |
| 2601 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 610mm |
| 2602 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 693mm |
| 2603 | the ideal free-draining loam over clay | ANBG Zone 1 | 610mm |
| 2604 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 693mm |
| 2605 | fertile, moisture-holding silty loam over clay loam | ANBG Zone 1 | 610mm |
| 2606 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 610mm |
| 2607 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 695mm |
| 2608 | fertile but heavier clay loam over clay | ANBG Zone 1 | 693mm |
| 2609 | fertile but heavier clay loam over clay | ANBG Zone 1 | 693mm |
| 2610 | the ideal free-draining loam over clay | ANBG Zone 1 | 693mm |
| 2612 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 693mm |
| 2614 | fertile, moisture-holding silty loam over silty clay loam | ANBG Zone 1 | 610mm |
| 2615 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 610mm |
| 2616 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 610mm |
| 2617 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 610mm |
| 2618 | fertile, moisture-holding silty loam over clay loam | ANBG Zone 1 | 610mm |
| 2900 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 695mm |
| 2901 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 695mm |
| 2902 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 695mm |
| 2903 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 695mm |
| 2904 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 695mm |
| 2905 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 695mm |
| 2906 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 695mm |
| 2911 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 610mm |
| 2912 | the ideal free-draining loam over clay loam | ANBG Zone 1 | 693mm |
| 2913 | the ideal free-draining loam over clay | ANBG Zone 1 | 610mm |
| 2914 | the ideal free-draining loam over clay | ANBG Zone 1 | 693mm |
Planning work in Unincorporated ACT?
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