In September, farmers in the Northwest region of the United States, which includes states like Washington, Oregon, Idaho, and parts of Montana, are typically busy with a mix of harvesting, preparing for winter, and managing soil and crop health. The tasks for farmers in this region can vary widely due to the diverse agricultural practices, from apple orchards and vineyards to grain fields and livestock operations. Here are some key tasks that farmers in the Northwest should focus on during September:
1. Harvesting Activities
- Tree Fruit Harvest: Apple, pear, and stone fruit harvests are in full swing in September. Farmers should focus on timing their harvests to pick at peak ripeness, ensuring high-quality fruit for storage or direct market sales.
- Wine Grape Harvest: This is also a busy time for vineyards, as wine grape harvests usually start in September. Farmers need to monitor sugar levels (Brix) and acidity in the grapes to determine the optimal harvest time for different varieties.
- Vegetable Harvest: Continue harvesting late summer vegetables like tomatoes, peppers, squash, and beans. It’s also a time to harvest cooler season crops like broccoli, cauliflower, and fall lettuces.
- Grain Harvest: For those growing wheat, barley, or other grains, the harvest may be wrapping up in early September. Farmers need to ensure proper drying and storage of grains to prevent spoilage.
2. Soil and Field Management
- Cover Crop Planting: After harvesting early-season crops, farmers can plant cover crops such as clover, rye, or winter peas to protect soil from erosion, improve soil health, and manage nutrients over the winter.
- Soil Testing and Amendments: Conduct soil tests to assess nutrient levels and soil pH. Apply lime, compost, or other soil amendments as needed based on soil test results to prepare for the next planting season.
- Irrigation Management: As the weather begins to cool, adjust irrigation schedules to avoid overwatering. In regions where irrigation is necessary, this is also a good time to inspect and winterize irrigation equipment.
3. Weed, Pest, and Disease Management
- Weed Control: Late-season weeds can still pose a problem, especially in fields that will be planted with cover crops. Managing these weeds now can reduce problems in the spring.
- Pest and Disease Monitoring: Continue monitoring for pests such as codling moths in orchards or spider mites in vegetable fields. Apply integrated pest management (IPM) strategies or targeted treatments as needed.
- Disease Prevention: Remove any diseased plant material and fallen fruit to reduce disease pressure for the next growing season.
4. Livestock and Pasture Management
- Pasture Rotation and Management: Rotate livestock through pastures to prevent overgrazing and allow fields to recover. Start planning for winter grazing or feeding strategies.
- Hay and Silage Harvesting: Finish up any final hay or silage cuts to ensure there is enough feed for livestock throughout the winter months.
- Livestock Health Checks: Perform health checks and vaccinations as necessary to prepare animals for the colder months ahead. Ensure adequate shelter and water supply.
5. Farm Equipment Maintenance
- Equipment Checks and Repairs: Before the winter season begins, perform maintenance on equipment like tractors, harvesters, and other machinery. Winterize equipment that won’t be in use during the colder months to prevent rust and other damage.
- Storage Preparation: Organize and clean storage areas for machinery and harvests. Ensure all storage facilities are secure and ready to protect equipment and produce from the elements.
6. Planning for Next Season
- Seed Ordering and Crop Planning: Start planning for next year’s crops by reviewing this year’s performance and ordering seeds and other inputs. Consider crop rotation plans and strategies for pest and disease management.
- Budget and Financial Review: Review financial performance from the growing season, adjust budgets, and plan for any necessary investments or purchases. Consider options for marketing crops stored for later sale.
7. Fall Planting and Winter Preparations
- Garlic and Overwintering Crops: Plant garlic and other crops that require overwintering, such as some varieties of onions and spinach.
- Mulching and Bed Preparation: Apply mulch to perennial beds and around trees and shrubs to protect root systems from winter cold and reduce weed growth in the spring.
8. General Farm Management
- Safety Protocols: Review safety protocols with all workers, especially as harvest activities increase. Ensure that everyone is trained in the safe operation of equipment and understands emergency procedures.
- Environmental Stewardship: Consider implementing practices that reduce runoff and protect water quality, such as installing buffer strips or using no-till practices where appropriate.
By focusing on these tasks in September, farmers in the Northwest can successfully manage their harvests, prepare their fields for the next growing season, and ensure the health of their livestock and soil through the winter months.
Need advice? Call us at 517-458-9741 or email us at info@triplekirrigation.com.

