ASTILBE
Family: Saxisragaceae
Clump forming rhizomatous perennials that enjoy moist situations such as beside ponds or damp depressions. Flower stems are made up of plumes of tiny individual flowers.
Alternate Names: False Spiraea
Origin: Temperate SE Asia and North America
Flowering Season: Summer
Plant Size: 60-90cm H x 30-90cm W
Planting Density: 30 - 40cm apart.
Multiplication speed: Rapid. May need containing.
Preferred Aspect: Prefers to be a bog plant growing at side of pond or other damp area. In drier positions prefers partial shade but more tolerant of sun if located in damp situation.
Plant Uses: Useful colour for waterside plantings, attractive cut flowers but fade quickly. Flowers dry to decorative shades of brown.
Likes: Wet areas and occassional flooding.
Dislikes: Chalky or clay soils that are prone to drying out.
Watering: Water well. Not drought tolerant..
Fertilising: Add a top dressing of rich compost over winter to maintain vigour and richness in the plant.
Lifting and storage: Can be left undisturbed for many years. If clumps become too thick divide with a sharp sterile knife.
Pests: Hardy and pest resistant though can be affected by powdery mildew.
Tips: Plant at soil level. Astilbe are easily grown and hardy. They will grow well in average garden conditions as long as the soil is not too dry.
