Growing Conditions: Shade, part sun, or full sun in well-drained, consistently moist soil Size: Up to 6 feet tall Growing Conditions: Full to part shade in well-drained, evenly moist soil Size: Up to 3 feet tall Growing Conditions: Full shade to full sun in well-drained, moist soil Size: Up to 3 feet tall Growing Conditions: Full to part shade in well-drained, consistently moist soil Size: Up to 12 inches Growing Conditions: Full shade to full sun in dry, well-drained soil Size: Up to 12 inches tall Growing Conditions: Full to part shade in consistently moist, well-drained soil Size: Up to 3 feet tall Growing Conditions: Full shade to full sun (depending on variety) in well-drained, consistently moist soil Size: Most varieties will stay between 18 and 30 inches tall, but some can reach up to 3 feet Growing Conditions: Full to part shade in well-drained, consistently moist soil Size: Up to 3 feet tall Growing Conditions: Full to part shade in well-drained, consistently moist soil Size: Up to 3 feet tall Growing Conditions: Full shade to full sun in well-drained soil Size: Up to 6 inches tall Test Garden Tip: Violas may be short-lived perennials in some areas, though they’re often grown as annuals. Growing Conditions: Full shade to full sun in well-drained, consistently moist soil Size: Up to 12 inches tall Buy It: Viola Flower Garden Seeds ($14, Walmart) Growing Conditions: Full shade to full sun in consistently moist, well-drained soil Size: Up to 3 feet tall