Upper Midwest gardening calendar
What to do |
Best time to do it |
Okay time to do it |
---|---|---|
Cut back perennials |
March, April and November |
|
Start summer vegetable seeds indoors |
Mid March through mid April |
|
Direct seed spring cover crops |
All April |
|
Divide perennials |
2nd week of April through 3rd week of June |
End of June through end of August |
Water |
3rd week of April through end of November |
|
Mulch beds |
May through end of June |
October to end of November |
Weed control |
May through September |
|
Plant summer bulbs |
Last week of May through 2nd week of June |
|
Direct seed summer vegetables |
Last week of May through end of June |
|
Plant annuals |
Last week of May through end of June |
July through end of August |
Plant perennials |
Last week of May through August |
|
Fertilize |
Last week of May through August |
|
Deadhead |
June through September |
|
Direct seed fall vegetables |
Mid July through mid August |
|
Divide bearded iris |
Late July through early August |
|
Divide peonies |
Late August through September |
|
Direct seed fall cover crops |
September through October |
|
Plant spring bulbs |
2nd week of September through mid November |
|
Clean up vegetable garden |
October through November |
Spring cover crops: buckwheat, beans, clover, hairy vetch, peas, alfalfa
Fall cover crops: ryegrass, rye, rapeseed, oats, winter wheat, winter rye
Provided by the Univerity of MN Extension