Growing Conditions · Northern Territory
East Arnhem Growing Conditions
Soil, climate and a planting calendar for East Arnhem — across 6 postcodes.
Soil
A friable, free-draining sandy loam — one of the easier soils to work. It warms early, rarely stays wet, and grows a wide range of plants; keep it fed and mulched, as it can dry out through a hot summer. 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 hot, tropical area — ANBG Zone 5 — frost-free year round, with even the coolest nights around 17°C. Tropical fruit, palms and foliage thrive; plan for a distinct wet and dry season and for drainage that copes with heavy tropical rain.
Rainfall & growing season
A wet climate (1277mm a year): plants rarely go thirsty, but lean on free-draining soil, disease-resistant varieties and falls that shed water off paving and lawns. 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.
Watering & drainage
This soil holds only a modest reserve of water for plants (about 81mm), so it dries between rains — mulch heavily, improve it with compost, and water little and often through summer.
Planting Calendar for East Arnhem
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 5; adjust for a cold or exposed garden.
Conditions by Postcode
| Postcode | Soil | Climate zone | Rainfall |
|---|---|---|---|
| 0821 | free-draining sandy loam over clay loam | ANBG Zone 5 | 1344mm |
| 0880 | the ideal free-draining loam over clay loam | ANBG Zone 5 | 1152mm |
| 0881 | free-draining sandy loam over clay loam | ANBG Zone 6 | 1257mm |
| 0885 | moderately draining sandy clay loam | ANBG Zone 6 | 1221mm |
| 0906 | free-draining sandy loam over clay loam | ANBG Zone 5 | 1344mm |
| 0907 | free-draining sandy loam over clay loam | ANBG Zone 5 | 1344mm |
