If you want an easygoing perennial with standout color in tricky light, Scutellaria 'Appalachian Blues' (Skullcap 'Appalachian Blues') is a great fit. This clump-forming skullcap sends up upright spikes of bicolor flowers in blue-purple and white, giving you a refined look that pairs beautifully with woodland favorites and sunny border companions alike. Mature plants typically reach about 20-24 inches tall and form a compact mound about 20-24 inches wide.
Give it moisture at planting time, then aim for evenly moist to occasionally dry soil once established. It adapts well to a range of sites, including full sun, part shade, and even full shade. In brighter sun, a bit more consistent moisture helps it look its best; in shade, it remains a strong performer and can bring vertical bloom where many perennials lean leafy.
For best results, plant in well-drained soil and avoid letting the crown sit in soggy conditions. Deadhead spent flower spikes to encourage a longer show, and cut back old stems in late winter to early spring to refresh the clump. Divide every few years if needed to maintain vigor and share with friends. Pollinators appreciate the blooms, and the plant can be a good choice where deer pressure is a concern.