PRINCE EDWARD COUNTY

Climate

Most vineyards are located in areas that receive maximum benefit from lake breezes. Prevailing westerly breezes travel steadily across Lake Ontario and the Bay of Quinte to help moderate temperatures. They are especially beneficial during the warm summer months, keeping average temperatures around 22°C, with pleasant cooling during the hotter days and keeping cool nights at bay.

Topography

The County’s topography is irregular, with hills creating various exposures for the vines, and valleys digging into the broad, flat Trenton limestone base. A gradual rise from northeast to southwest is crossed by a number of long, gentle east-west ridges and occasionally steep, rugged escarpments. On the northern and eastern shorelines, rocky bluffs rise to an elevation of 30 m (98 ft) or more above Lake Ontario, while the western shore has many inlets with sandy shores and large sandbars that define bodies of water such as West Lake and East Lake.

Soil

Topsoils range from reddish-brown clay loam to sandy loam and overlay limestone bedrock embedded with shale fragments. The stony surface and numerous rock and shale fragments within the soils allow water to drain into the limestone, which ensures good drainage of winter-melt and substantial root penetration for mature vines. This rocky soil also allows good heat conduction and retention and encourages early warming in the spring.

Download the map for a look at all the wineries in Prince Edward County.