Great Northern
90d to harvest
Aromatic, nutty-sweet dry beans with a clean, satisfying bite—Great Northern delivers a smooth, creamy interior when cooked and a refined, uniform look in the pot. The pods mature to a crisp, straw-dry finish, revealing plump, classic white beans that hold their shape beautifully for hearty staples. Grow Great Northern for reliable, home-garden harvests and a pantry-ready foundation for comforting favorites all season long.
Crop Dates
| Milestone | Date |
|---|---|
| Start Indoors | Direct Sow |
| Last Frost | May 25th |
| Transplant / Sow Outdoors | May 25th |
| Harvest Begins | Aug 23rd |
| Harvest Ends | Aug 29th |
Crop Details
| Trait | Value |
|---|---|
| Days to Maturity | 90 |
| Sun Requirements | Full Sun |
| Growth Habit | Bush |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 70 |
| Min Soil Temp (°F) | 60 |
| Min Night Temp (°F) | 50 |
| Harden Off (days) | Not Required |
Recommended Companions
Frequently Asked Questions
What pest or disease commonly affects Phaseolus vulgaris (Great Northern beans), and how can I prevent it?
Watch for common bean rust and anthracnose, which show up as brown/orange spots or dark lesions on leaves and pods—especially after warm, humid weather. Use clean seed, avoid wetting leaves when watering, and remove heavily infected plants early; for stubborn outbreaks, apply a labeled copper-based fungicide early when symptoms first appear.
How often should I water Great Northern beans during the main growing phase (about flowering to pod fill)?
Keep soil consistently slightly moist during flowering and pod fill: water when the top 1 inch of soil starts to dry, typically about 1–2 inches of water per week total depending on heat and rainfall. Don’t let soil swing to drought stress or waterlog—beans are most sensitive to uneven moisture while developing pods.
How do I know when Great Northern beans are ready to harvest (Phaseolus vulgaris)?
For dry shelling beans (Great Northern type), harvest when pods turn tan/brown and sound papery, and the seeds rattle inside when you shake the pod. Pull plants on a dry day and then finish drying indoors in a warm, airy spot until seeds are hard and fully dry for storage.