July

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 • Remove infected leaves from roses, and continue fungicidal sprays as needed.
• Fertilize container plants every two weeks with a water soluble solution.
• Plant zinnia seed by July 4 for late bloom in annual border.
• Divide and reset oriental poppies after flowering as the foliage dies.
• Don't pinch mums after mid-July or you may delay flowering.
• Monitor lawns for newly hatched white grubs. If damage is occurring, apply appropriate controls.
• Dig potatoes when the tops die. Plant fall potatoes by July 15.
• Harvest sweet corn when the silks turn brown, as well as onions and garlic when the tops turn brown.
• Keep cukes well watered. Drought conditions will cause bitter fruit.

Adapted from the Missouri Botanical Garden calendar at www.mobot.org.