Top 10 Easy Perennial Plants to Grow From Seed - Veronica spicata – Spike Spe.-- Top 10 Easy Perennial Plants to Grow From Seed – Veronica spicata – Spike Speedwall. Zone No bee garden should be without of this nectar and po – Garden Shrubs, Shade Garden, Garden Plants, Flowers Garden, Blooming Flowers, Summer Flowers, Flower Gardening, Purple Garden, Flowering Plants