However such a slope is in shadow in high summer just after dawn and just before dusk. In Autumn though it gets the angle of sunlight good for late ripening varieties. Britain too has longer hours of daylight in Autumn than in Europe. Providing that period is relatively dry, good crop ripening into November is possible. The areas of the Champagne of France and Southern England produce good conditions Very fertile soils tend to produce leaf rather than fruit.
Sands can cool, giving a risk of frost.
A combination of sandstone and limestone is probably best, being well-drained, warm, of average fertility and with a pH of between 6 and 7. The East Kent vineyards have underlying chalk while West Kent lies on Sandstone -based loam. Yearlstone in Devon is believed to be one of the perfect sites, with a south facing silt-clay earth overlying Devon sandstone. Basically, this means that anywhere in France where there is a vineyard is, by definition, a great site for a vineyard. This involves counting the temperatures above 10C in the days of the ripening season .