August gardening tips for Oklahoma

Jerome Powell
Pat Neasbitt
Master Gardener

It has been a pretty nice first week of August weatherwise with cooler temperatures and a little rain. Unfortunately, the rest of the month may live up to the “dog days of summer” heat and humidity that make gardeners long for fall. The following are things that can be done this month in addition to the never-ending tasks of watering, deadheading, and controlling weeds.


· August is a good month to start your fall vegetable garden. Bush beans, cucumbers, and summer squash can be replanted for another crop. Beets, broccoli, carrots, potatoes, lettuce, and other cool-season crops can also be planted at this time. For further information, check out OSU Factsheet HLA-6009.

· Soak vegetable seeds overnight before planting. Once planted, cover them with compost to avoid soil crusting and keep moist constantly. Mulch after germination to keep planting bed moist and provide shade during initial establishment.


· Towards the end of the month, divide and replant spring-blooming perennials like iris, peonies, and daylilies, if needed. Discard older portions, and replant the keepers in soil improved with compost.


· Water compost during extremely dry periods so that it remains active. Turn the pile to generate heat throughout for proper sterilization.

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