Image 1 of 1 Blue Vervain (Verbena Hastata) $8.00 Pre-order: Blue Vervain plants will be available in May. Add to Garden Added! Pre-order: Blue Vervain plants will be available in May. Growing Guide LIFE CYCLE Herbaceous perennial SUN EXPOSURE 4-8 hours of direct sunlight SOIL MOISTURE Average to wet SIZE AVERAGE 3.5' tall, 2' wide SPACING At least 18" BLOOMS Tubular blue-violet, July-September PAIR WITH Bee balm, Coneflower, Yarrow, Anise hyssop ADVANTAGES Pollinator, Deer-resistant, Family-friendly, Culinary CARE Easy