Vernonia ‘Iron Butterfly’ View cart “Kirengeshoma palmatum” has been added to your cart. $7.00 Size: 4” This medium/large perennial is a must have for its fine texture and late summer blooms. Once established, it is very tolerant of hot, dry locations. Light Needs: Part Sun to Shade 25 in stock Vernonia 'Iron Butterfly' quantity Add to cart Category: Perennial Related products Allium ‘Summer Beauty’ $7.00 Add to cart Heuchera ‘Palace Purple’ $6.50 Add to cart Allium ‘Windy City’ $7.00 Add to cart Calamintha nepeta ssp. Nepeta $6.50 Add to cart