Silver Fountain Butterfly Bush
Buddleia alternifolia ‘Argentea’
8-10 feet high x 6-8 feet wide
Open vase shape
Zone 4
Full Sun
+This Plant Select® 1998 entry continues to thrill us. As the only buddleia hardy in Zone 4—that alone is a real plus—but the arching, thin pendulous branches covered in fine textured silver-gray foliage are quietly graceful. When the fragrant lilac hued blooms twirl around last year’s growth like stripes on a candy cane, it is a stunning addition to the early summer garden. What a butterfly magnet!
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Throughout this site, the following are used as guidelines for watering established plants:
These truly xeric plants can live with our 12 inches of natural annual precipitation and only need a winter watering during a multi-year drought, but they will thrive with a monthly watering. Overwatering will kill some of these. These plants are adapted to intermittent deep
watering with soil drying to a depth of a few inches between waterings. Watering frequency may be every couple of weeks during the active growing season and maybe only one winter watering for optimal care. These plants need regular watering somewhat like a bluegrass lawn so that
they never dry to depth in the root system during the active growing season, and need occasional winter watering to prevent root dessication and resultant plant
death. About sizes of our plants:
Sizes indicated with a # are roughly the equivalent in gallonage; so a #2 is about a 2 gallon pot size; b&b stands for balled and burlapped.