'Guava Lava' begins to bloom in the heat of the summer and continues for many weeks. Coral orange flowers are held on mauve pink calyxes, which remain attractive even after the flower has finished blooming. Agastache are a favorite of pollinators, attracting hummingbirds, butterflies and honeybees. Well-adapted to thrive in dry soils and is right at home in rock gardens xeric plantings.