Narrow-leaved Vervain$4.00 in 3″ re-used plastic pot In stock - Narrow-leaved Vervain quantity + Add to cart Description ... (Verbena simplex) a quiet little plant with a scattering of white flowers that are essential to many tiny pollinators. Full sun, dry soil, great choice for rock gardens. You might also like... Passionflower Vine $6.00 Add to cart Borage $4.00 Add to cart Sneezeweed $4.00 Add to cart