Calendar by area
Red River Delta
Winter crop
| Sowing and base fertilizer | Sep |
|---|---|
| Top-dressing (estimate) | Oct–Nov |
| Harvest (estimate) | mid Dec to mid Jan |
Spring crop
| Sowing and base fertilizer | late Jan to mid Feb |
|---|---|
| Top-dressing (estimate) | mid Feb to late Apr |
| Harvest (estimate) | mid May to late Jun |
Northeast and midlands
Winter crop
| Sowing and base fertilizer | Sep |
|---|---|
| Top-dressing (estimate) | Oct–Nov |
| Harvest (estimate) | mid Dec to mid Jan |
Spring crop, paddy and riverbank land
| Sowing and base fertilizer | late Jan to mid Mar |
|---|---|
| Top-dressing (estimate) | mid Feb to late Apr |
| Harvest (estimate) | mid May to early Jul |
Spring crop, hill land
| Sowing and base fertilizer | Mar–Apr |
|---|---|
| Top-dressing (estimate) | Apr–Jun |
| Harvest (estimate) | early Jul to early Sep |
Northwest
Spring-summer crop
| Sowing and base fertilizer, with the first rains | Apr–May |
|---|---|
| Top-dressing (estimate) | May–Jul |
| Harvest | mid Sep to early Oct |
Summer-autumn crop
| Sowing and base fertilizer | late Jul to mid Aug |
|---|---|
| Harvest (estimate) | Nov |
North Central, Thanh Hóa to Hà Tĩnh, North Central, former Quảng Bình to Huế
Spring crop
| Sowing and base fertilizer | late Jan to late Feb |
|---|---|
| Top-dressing (estimate) | mid Feb to late Apr |
| Harvest (estimate) | mid May to early Jul |
Summer-autumn crop
| Sow right after the spring harvest | mid Jun to early Jul |
|---|---|
| Harvest (estimate) | Sep |
Winter crop
| Sowing and base fertilizer | early Sep to early Oct |
|---|---|
| Top-dressing (estimate) | Oct–Nov |
| Harvest (estimate) | late Dec to late Jan |
Central coast, Đà Nẵng to former Phú Yên, Dry south central coast, Khánh Hòa to former Bình Thuận
Grown only in some places. This is a general 2014 guide, with no provincial schedule.
Winter-spring crop
| Sowing and base fertilizer | Dec–Jan |
|---|---|
| Top-dressing (estimate) | Jan–Mar |
| Harvest (estimate) | mid Mar to late May |
Summer-autumn crop
| Sowing and base fertilizer | late Apr to late May |
|---|---|
| Top-dressing (estimate) | May–Jul |
| Harvest (estimate), before the floods | mid Aug to late Sep |
Central Highlands
First rain crop
| Sow when the soil is moist | late Apr to mid Jun |
|---|---|
| Top-dressing (estimate) | May–Aug |
| Harvest (estimate) | early Aug to mid Oct |
Second rain crop
| Sowing and base fertilizer | mid Aug to early Sep |
|---|---|
| Top-dressing (estimate) | Sep–Oct |
| Harvest (estimate) | late Nov to early Jan |
Southeast
Summer-autumn crop
| Sow with the rains | Apr–May |
|---|---|
| Top-dressing (estimate) | May–Jul |
| Harvest (estimate) | mid Jul to late Sep |
Autumn-winter crop
| Sowing and base fertilizer | late Aug to early Sep |
|---|---|
| Top-dressing (estimate) | Sep–Oct |
| Harvest (estimate) | early Dec to early Jan |
Winter-spring crop, irrigated land
| Sowing and base fertilizer | mid Nov to mid Dec |
|---|---|
| Top-dressing (estimate) | Dec–Feb |
| Harvest (estimate) | early Mar to mid Apr |
Mekong Delta, freshwater area, Mekong Delta, fresh-to-brackish area
Grown only in some places. This is the general statistical frame for annual crops in the south, not a maize schedule.
Winter-spring crop
| Sowing | Nov–Mar |
|---|---|
| Harvest | Jan–May |
Summer-autumn crop
| Sowing | Apr–Jul |
|---|---|
| Harvest | Jun–Sep |
This calendar is compiled from the sources listed under each entry. Actual dates change with the year, variety, water and weather. Where they differ, follow your local agriculture office's schedule.
Sources last checked: 04 Nov 2026