The Bishop\’s dahlias are varieties with dark foliage and single to semi-double flowers. \’Bishop of Dover\’ produces lovely, white with pale-lavender bands, single flowers. Good for pollinators. Height and Spread: 0.9 x 0.8m Position: Full sun to partial shade Soil: Moist but well-drained, well-drained. Flowering season: Summer Uses: Large containers, borders and beds, gravel garden, coastal garden, cottage garden, cut flowers. 1tuber Growing Dahlias