Narrowleaf meadowsweet shrubs often reach 8 feet in height with a spread of 3â4 feet. This species is often the most conspicuous part of the vegetation in its habitat, taking up large areas of ground. Its leaves are glossy yellow-green, oblong or lance-shaped, and toothed on the edges, and its twigs are tough and yellowish brown. Fall foliage is golden yellow.
Water as needed to keep the soil slightly moist but never soggy. After watering, allow the soil moisture to dry completely before watering again.
Fertilize meadowsweet yearly in spring, with a slow-release fertilizer. Choose a fertilizer with a 3-1-2 N-P-K ratio, such as 15-5-10 or 24-8-16. Sprinkle the fertilizer evenly around the base of the plants.
Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
Japanese spirea should be tip pruned in late winter or early spring prior to bud swell and before the shrub leafs out. Also, at this time, remove any dead, damaged or diseased stems along with those that cross each other. To keep spirea looking great and to promote blooming, trim the plant at least twice per year
Yes, meadowsweet is considered safe when used under the prescribed dose. However, since it contains salicylates, this plant has significant drawbacks, especially for people who are taking medication. The FDA classifies meadowsweet as a medicinal plant with unproven safety.
