Narrow-leaved Vervain$5.00 In stock - Narrow-leaved Vervain quantity + Add to cart Description ... (Verbena simplex) in 3″ re-used plastic pot 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... Obedient Plant $5.00 Select options Wild Violet $5.00 Add to cart Mexican Sunflower / Tithonia $2.00 Add to cart