Commercial Vegetable Production Blogs

Important considerations:Check The Cucurbit Downy Mildew Forecast Homepage for development and spread of downy mildew. Spray your field when the disease is in locations near your field with chlorothalonil (i.e., Bravo Weather Stik...

This season has been hot and dry with scattered rainfall throughout the season for Northeastern Illinois. June average rainfall totals were approximately 3.80 inches, 0.50 inches below the 30-year average. July average rainfall totals have accumulated about 4.12 inches, 0.38 inches above the 30-...

WeatherJuly was wet, stormy and hot. End of story. But really, some farms received excessive amounts of rain all at once that left them with temporary flooding conditions that was then combined with days of heat. Between July 10-11, parts of northern Illinois received 3-5 inches of rain. Some...

Despite oppressive heat and humidity throughout the St Louis Metro East region, peach harvest continues with ongoing reports of good fruit size and quality. Harvest has moved out of the ‘Reliance’ window and into the ‘Red Haven’ window, to include cultivars like ‘PF-15A’, ‘Bounty’, ‘Newhaven’, and...

No-till cover crop observationsPredator insects continue to thrive in the treatment tunnel (cover crops + cut flowers), including the many small spiders. The number of webs within all the tomato and pepper plants is impressive, especially as pest insects can be observed stuck in the webs. The white...

It never ceases to amaze me just how fast pumpkins grow at this point of the season.  For us moisture has been very good since the first week after transplanting.  These plants have been in the field right at a month.  Pumpkins are starting to vine out and I just put on a side dress...

In early June, three cantaloupe varieties were planted under un-irrigated woodchip mulch to measure fruit quality and marketability in Northern Illinois. Varieties selected were ‘Hales Best Jumbo’, ‘Hearts of Gold’, and ‘Honey Rock’, all sourced and donated from Livingston seeds. The field was...

Tomato and pepper harvests began during the middle of June, but the last week of June really saw an increase in ripe tomatoes. Typically, with transplants set out the first week of April, tomato harvest begins in late June, but the first really big pick is around July 6 or 7. This year I think the...

In addition to peach harvesting in the southern part of the region of cultivars like ‘Glenglo’, ‘PF 5D Big’, and ‘Sentry’, sweet corn harvesting started the last full week of June in the St Louis Metro east.  Comparatively, the northern part of the region is harvesting peaches in the ‘PF 8...

The squash bug is the main pest of pumpkins in Illinois. Squash bugs overwinter as adults and move into pumpkin plantings in June (southern IL) and July (northern IL). They prefer squash and pumpkins compared to cucumbers and melons. In southern Illinois, two...