July garden tasks: Midwest
July is the peak production month across most of the Midwest -- warm-season crops are at full production, cool nights haven't arrived yet to speed fall crops, and the combination of heat and humidity creates significant pest and disease pressure. In zone 4 (Minneapolis), July is also the heart of.
July is the peak production month across most of the Midwest — warm-season crops are at full production, cool nights haven't arrived yet to speed fall crops, and the combination of heat and humidity creates significant pest and disease pressure. In zone 4 (Minneapolis), July is also the heart of the brief warm season — the summer that makes up for the long winter.
Per UMN Extension, average July temperatures: Minneapolis high 83°F, Chicago high 84°F, Kansas City high 89°F.
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Peak harvest management
Per University of Illinois Extension, July harvest priorities:
- Sweet corn: ears are ready 17—24 days after silking; check by piercing a kernel — milky juice = harvest now; watery = wait 2—3 days; doughy = past peak
- Tomatoes: harvest at breaker stage (first blush) during heat waves; ripen at 65—70°F indoors for best flavor; do not refrigerate until fully ripe
- Cucumbers: daily harvest prevents signal to stop production; harvested plants keep producing 2—3 weeks longer than plants left with overripe fruit
- Zucchini and squash: every 2—3 day harvest mandatory; 8-inch zucchini today is a 3-pound problem in two days