- You Will Get 500+ Seeds of Foxglove Foxy Mix Digitalis Mixed Biennial Flower Seeds. - Foxglove Foxy Mix Flower Seeds. - 500+ Seeds. - Mature Height: 24-36". - Estimated Mature Spread 12-18". - Planting Depth: 1/16". - Plant Spacing: 6-12". - Plant In Sun. - Life Cycle: Biennial. - Sunlight: Partial Shade, Full Sun, Medium Sun. - Watering: Medium.