Many crops after buckwheat do very well because the soil is so improved. Fall vegetables, winter grains, and spring transplants all thrive in beds where buckwheat grew. The key is timing your planting right.
I plant fall broccoli and kale right after my buckwheat gets turned in. These crops love the loose soil and extra phosphorus that buckwheat leaves behind. My brassicas grow faster and bigger in these beds than anywhere else in my garden.
Buckwheat residue breaks down fast and releases nutrients quickly for your following crops buckwheat has prepared the way for. SARE research shows the soft stems decay within two to three weeks in warm soil. This quick rot means you do not wait long before planting your next crop.
For your buckwheat crop rotation plan around your main goal. If you want fall vegetables then terminate buckwheat in late July or early August. This gives you time to incorporate the residue and transplant your fall starts while the weather stays warm enough.
Winter cover crops like cereal rye work great after buckwheat too. eOrganic guides say to plant rye about two weeks after you mow or till in your buckwheat. The rye takes over and keeps your soil covered through the cold months ahead.
Spring crops benefit from buckwheat that grew the summer before. The soil stays loose through winter and the nutrients wait for your new plants. I plant my early peas and lettuce in these beds each spring and they always do well.
Wait seven to fourteen days after you incorporate buckwheat before seeding your next crop. This pause lets the first wave of decay finish. Direct seeded crops are more sensitive to fresh residue than transplants so wait the full two weeks for seeds.
Good fall crops to try after buckwheat include lettuce, spinach, kale, broccoli, and cabbage. Good spring options are peas, beans, squash, and tomato transplants. These all grow better in soil that buckwheat improved with extra phosphorus.
I keep a simple rotation going in my garden now. Buckwheat fills the summer gaps between spring and fall crops. Then winter rye covers the soil until spring. This cycle keeps something growing in my beds all year long.
Start planning your own buckwheat rotation based on what crops you want to grow. Match your buckwheat timing to the crops that come next. You will see better results in less time than starting with bare soil every season.
Read the full article: Buckwheat Cover Crop: Complete Growing Guide
