Ash Leaf Spirea or False Spirea, is a fast growing plant that has large plumes of creamy white flowers in June. These grow atop the deep green, fern-like foliage. The variety 'Sem' has red new growth and similar colored fall foliage and is very attractive in spring. It spreads quickly and is an excellent plant for soil retention. It prefers a moist, well-drained, organic soil. May spread and fill large areas. Great for erosion contol and bird habitat. Withstands extreme conditions.