Phenology The berries of all cultivars at West Madison Research Station (WMARS) are harvest-ripe (stage 38). See Table 1 for veraison (beginning of berry color […]

Berry Ripening Parameters for Red Wine Cultivars at WMARS Below are graphs showing the progression of the berry ripening parameters at WMARS: % total soluble […]

I have received several emails from growers regarding ranges of fruit quality parameters for cold climate grape cultivars. Several years ago, I published an extension […]

Phenology At the West Madison Agricultural Research Station (WMARS) in Verona, WI, shoot development varies widely across all cultivars (Table 1). Marquette is the most […]

Phenology At the West Madison Agricultural Research Station (WMARS) in Verona, WI, shoot development across all cultivars has reached at least E-L* Stage 3 (“Wooly […]

For some grape growers, the first pesticide application of the season is lime sulfur shortly before bud swell. Others skip lime sulfur and start the […]

Grape growers, don’t miss out! The first webinar in our What To Do Now in the Vineyard series is on February 3. We will focus […]

Mark your calendars! We have a fantastic line up for this year’s cold climate fruit webinar series between University of Minnesota Extension and University of […]

Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, as of September 1, all cultivars continue to be in various stages of […]

Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, as of August  19, all cultivars are in various stages of fruit ripening, […]