Water Willow (Justicia Americana) Hardy Bog Plant has willow like leaves with clusters of 5 petal white flowers that resemble an orchid with purple/white streaks on the lower petals.  The flowers grow in a dense, head-like cluster originating from the long slender stalks.  Booms April thru October . (Can overwinter in pond and doesn't need submerged)

Hardiness Zone: 4-11
Light Requirements: Part Shade to Full Sun
Height: 12" to 18" - Spread: 12"
Water Depth: Moist Soil or water up to 10" deep (Maximum water depth is for mature bog plants)