Nasturtium Tall Single Blend is a flower that blooms between spring and the fall frost, grows 10" - 12" with 5' - 6' vines when mature. Nasturtium Tall Single Blend prefers sun to shade and grows beautiful flowers in shades of scarlet, gold, orange, and yellow. Nasturtium flowers and leaves taste peppery like watercress. 'Tall Climbing Single' is an excellent vine for fences, trellises, hanging baskets, or as a ground cover. Never pamper your Nasturtiums with excess fertilizer - excess fertilizer will cause lots of green leaves and no blooms. They flower best in average garden soil with loose, light texture. Remove spent flowers to prolong blooming. They flower best in average garden soil with loose, light texture. Brighten up your vegetable garden with Nasturtiums - they deter white flies and squash bugs.