Long-Blooming Purple Perennials for Season-Long Color Reliable bloomers that keep gardens vibrant from late spring through fall. Campanula Zones 38 Full sunpartial shade Bell-shaped blooms for weeks; perfect for borders or rock gardens. Verbena Zones 610 Full sun Nonstop color and fragrance; attracts butterflies all summer. Delphinium Zones 37 Full sun Tall spires in rich hues; cut back for repeat flowering. Wisteria Zones 59 Full sun Graceful vines with cascading clusters; reblooms lightly in summer. Salvia Zones 49 Full sun Blooms repeatedly with deadheading; loved by bees and hummingbirds. Lupins Zones 48 Full sunpartial shade Striking vertical blooms; enrich soil and attract pollinators. Monarda Bee Balm Zones 39 Full sunpartial shade Fragrant midsummer favorite; newer types resist mildew. Phlox paniculata Zones 48 Full sunpartial shade Long bloom window and strong fragrance; great cut flower. Lavender Zones 59 Full sun Fragrant, drought-tolerant, and reblooms when trimmed after first flush. Plant a mix for waves of purple that carry your garden through every seasons light.