Garden and Planting Calendar for Southern Iowa

Garden harvest

A work in progress…this calendar is for southern Iowa, which is mostly in Zone 5b.

January:

Plant

Start seeds indoors for perennial herbs. Give them a good strong grow light to avoid weak, leggy growth.

Harvest

 

Maintain

 

February:

Plant

Start seeds indoors for cruciferous vegetables, onions, perennial flowers.  Give them a good strong grow light to avoid weak, leggy growth.

Harvest

Maintain

March:

Plant

Take hardwood cuttings of deciduous trees and shrubs for propagation.

Start seeds indoors for tomatoes, eggplant, peppers, squashes, annual flowers. Give them a good strong grow light to avoid weak, leggy growth.

In second half of month, if ground can be worked, plant radishes, peas, spinach and lettuces.

Divide and transplant perennials. Plant roses, trees and shrubs.

Harvest

Maintain

April

Plant

  • In first half of month — if ground can be worked — plant radishes, peas, spinach and lettuces.
  • In second half of month, plant cool-season vegetables and herbs like cruciferous, herbs.
  • Direct seed cool-weather flowers (California poppies)
  • Divide and transplant perennials. Plant roses, trees and shrubs.
  • Take new-growth softwood cuttings for propagation.

Harvest

Maintain

May

Average last frost in southern Iowa: May 10.

Plant

Plant trees and shrubs. Divide and transplant perennials.

  • Take new-growth softwood cuttings for propagation.

After last frost, plant your summer garden, including tomatoes, peppers, eggplant, cruciferous and herbs. Wait a bit longer for squashes, cucumbers and melons as they are very sensitive to cold. Beans should be planted in the latter half of the month.

Harvest

Maintain

June:

Plant

Plant bean, corn, squash, melon and cucumber seeds

Start mid-summer plantings in containers.

Harvest

Radishes, asparagus, peas, spring greens, berries, cherries, green walnuts for pickling/nocino (late June)

Maintain

Weed and water, weed and water. Stake plants as they grow. Florida weave for tomatoes. Trellis poles beans and squashes.

July:

Plant

Mid-month plant carrots, greens, Napa cabbage. Beans, Root Veg, Cabbage family, peas, lettuces, herbs. Arugula, parsley, beets, cabbage, carrots, chard, fennel, lettuce, kale, leeks, mustard, peas, radishes, scallions, spinach. Shade after transplanting if the weather is hot. Water well until established.

Harvest

Garlic, blueberries, green beans, tomatoes, peppers, eggplant, zucchini, cucumbers, green walnuts for pickling/nocino (early July)

Maintain

Weed and water, weed and water.

August:

Plant

Harvest

Green beans, tomatoes, peppers, eggplant, zucchini, cucumbers,

Maintain

Mid-month plant peas, radishes, spinach, lettuce, beets, scallions. Clear spent beds and plant a cover crop or some lettuces/radishes.

September:

Plant

Harvest

Maintain

Garlic, radishes, spinach, arugula, flower bulbs. Plant garlic, bulbs. Transplant.

October:

Plant

Harvest

Maintain

Plant garlic, bulbs

November:

Plant

Take hardwood cuttings of decidous trees and shrubs for propagation.

Harvest

Chop down trees once they have lost all their leaves and gone dormant.

Maintain

December:

Plant

Harvest

Maintain