Geranium pratense Dark Reiter | Fine Gardening Fairly new cultivar, has a short mounded habit and dissected dark leaves. Bright lilac-blue blossoms appear in spring; slow growing. Pair silver-toned foliage plants with Dark Reiter for a stunning effect. Noteworthy Characteristics: Dissected burgundy-tinged leaves and springtime blue flowers. Good for rock gardens. Care: Provide full sun to partial shade and well-drained acidic soil. Trim back after flowering.