Potomac™ Red Snapdragon

Potomac™ Red is an F1 snapdragon in [PanAmerican Seed](https://www.panamseed.com/Products/057801176004463/snapdragon-potomac-red/)’s Potomac series, bred for tall cut-flower stems and tapered spikes of vivid carmine-red flowers. The upright plants bring a strong vertical accent to cutting beds and professional greenhouse or high-tunnel production. ## Landscape Use PanAmerican Seed identifies the exact cultivar as PAS1374889, a Group 3/4 cut-flower snapdragon with 39–60-inch stem length. The breeder describes Potomac plants as suited to high light, long days, and warm temperatures, with strong stems and long flower spikes. [Territorial Seed](https://territorialseed.com/products/snapdragon-potomac-red) likewise describes Potomac Red as an annual cutting snapdragon with carmine blooms and a 39–60-inch plant height. Use it where a tall flowering spike is wanted, allowing room for circulation and support if the site is exposed. ## Flowering and Siting The breeder lists late spring, summer, and late summer flowering. [Illinois Extension](https://extension.illinois.edu/flowers/snapdragon)’s species-level guidance recommends full sun to light shade and moist, well-drained soil; it also notes that snapdragons favor cooler periods and that bloom timing varies with climate. Flowering schedules in a garden may differ from controlled commercial production. ## Maintenance Keep soil evenly moist but well drained. Remove spent flower spikes to promote rebloom. Tall snapdragons may need staking, particularly in windy or rain-exposed locations where stems can bend.