Salvia coccinea This easy-to-grow, nectar-rich salvia is perfect for attracting pollinators and hummingbirds. Bright, scarlet red tubular flowers sit atop squared stems covered in herbaceous foliage, emitting a pleasant citrus scent. Plants grow up to 2 feet tall and bloom all season. Allow to reseed to naturalize and keep well watered for best results. Tender perennial, hardy in zones 8–10 when protected. Approximately 300 seeds per gram. Germination code: (4) & (6)