You can count on Viola cornuta PennyTM Yellow Blotch for compact color when the weather stays cool. This horned violet forms a neat, mounded plant that covers itself in bright yellow, lightly fragrant flowers marked with a bold, dark blotch. With a mature size of about 4-6 inches tall and 6-8 inches wide, it tucks easily into the front of borders, paths, and small garden pockets, and it is equally at home in pots and window boxes.
Give your plant full sun to partial shade. In warmer regions, a little afternoon shade helps flowers last longer. Plant in well-drained soil that stays evenly moist, especially during active growth and bloom. Water whenever the top inch of soil begins to dry, and increase watering for containers or windy, sunny locations where pots dry quickly.
For the longest show, remove faded flowers and lightly shear the plant if it begins to look tired. A modest feeding in spring and again in early summer supports steady growth without sacrificing bloom. This variety is often treated as a seasonal color plant, but in many climates it can return and bloom again when temperatures suit it.