Farmers in the Northwest have a unique climate that includes wet winters and relatively dry summers, influencing their agricultural schedule. Here is a month-by-month breakdown of tasks, including planting and harvesting dates for corn, wheat, and vegetables, along with irrigation and other essential tasks:
January
- Tasks: Equipment maintenance, soil testing, planning for the upcoming season, planting cover crops.
- Irrigation: Not needed due to wet winter conditions.
February
- Tasks: Continue equipment maintenance, finalize crop plans, start early planting in greenhouses or cold frames (lettuce, spinach, peas).
- Irrigation: Monitor soil moisture in greenhouses.
March
- Tasks: Begin field preparation (tilling, applying fertilizers), plant early potatoes, onions, and cool-season vegetables.
- Irrigation: Regular monitoring in greenhouses, field irrigation may start if conditions are dry.
- Planting Dates:
- Vegetables: Early potatoes, onions, lettuce, spinach, peas.
April
- Tasks: Continue field preparation, start planting corn and spring wheat, plant additional cool-season vegetables.
- Irrigation: Monitor soil moisture, start field irrigation if necessary.
- Planting Dates:
- Corn: Late April to early May.
- Wheat: Early April.
- Vegetables: Carrots, radishes, broccoli, cabbage.
May
- Tasks: Finish planting corn and spring wheat, plant beans, squash, tomatoes, and peppers.
- Irrigation: Regular irrigation as the weather warms.
- Planting Dates:
- Corn: Early May.
- Wheat: Continue planting spring wheat.
- Vegetables: Beans, squash, tomatoes, peppers, cucumbers.
June
- Tasks: Finish vegetable planting, weed control, pest management, side-dress corn with nitrogen.
- Irrigation: Consistent irrigation, especially during dry spells.
- Planting Dates:
- Vegetables: Continue staggered planting for succession crops.
July
- Tasks: Pest and weed control, monitor crop health, side-dress corn if necessary.
- Irrigation: Maintain consistent irrigation, critical for corn during pollination.
- Harvesting Dates:
- Vegetables: Harvest early planted vegetables like lettuce, spinach, and peas.
August
- Tasks: Continue harvesting vegetables, monitor crop development, prepare for fall planting.
- Irrigation: Maintain irrigation for ongoing crops.
- Harvesting Dates:
- Corn: Start early corn harvest.
- Vegetables: Continue harvesting.
September
- Tasks: Harvest corn and vegetables, plant fall vegetables (broccoli, kale, radishes).
- Irrigation: Reduce irrigation as crops mature.
- Harvesting Dates:
- Corn: Continue harvesting.
- Vegetables: Ongoing harvest, start planting fall crops.
October
- Tasks: Finish corn harvest, continue harvesting vegetables, prepare fields for winter cover crops, plant winter wheat.
- Irrigation: Minimal, mainly for fall vegetables if dry.
- Harvesting Dates:
- Corn: Complete harvest.
- Vegetables: Harvest fall crops like pumpkins and squash.
November
- Tasks: Harvest remaining vegetables, soil testing, apply fall fertilizers, field cleanup, plant winter wheat.
- Irrigation: Typically not needed.
- Planting Dates:
- Wheat: Plant winter wheat.
December
- Tasks: Equipment storage and maintenance, review and plan for the next season, attend educational events, monitor winter wheat.
- Irrigation: Not needed.
Additional Notes:
- Corn Planting Dates: Optimal planting window is late April to early May.
- Wheat Planting Dates: Spring wheat is planted in early April, winter wheat is planted in November.
- Vegetable Planting Dates: Cool-season vegetables in March-April and again in fall; warm-season vegetables from May to June.
Irrigation:
- April-August: Regular irrigation for corn and vegetables, especially during dry spells.
- July-August: Critical for corn during pollination and early grain fill stages.
- September-October: Reduced need as crops mature.
This schedule helps ensure that all necessary tasks are completed on time, promoting healthy crop growth and optimizing yields in the Northwest’s climate.
Triple K Irrigation is here to help. Visit our website (www.irrigationsupplyparts.com), call us at 517-45-8741, or email us at info@triplekirrigation.com.

