Astilbe 'Color Flash' Hardy in USDA zones 4 through 11. In zones 5 and below, add some extra mulch (wood, chopped leaves, etc.) around the plants if snow-cover is not expected. In warmer climates, make certain that it does not dry out over winter/cooler months.
2013 International Landscape Design Award Winners traditional-landscape
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Sunny Landscape Ideas
Soft Shades Hard- and softscape elements complement each other in this sunny bed. Stone columns define the edges of a slim garden bed. A wood fence provides the flowerbed with a bright backdrop. Planted at regular intervals, ravennagrass offers wispy foliage. Large patches of Shasta daisy accent the color of hardscape elements (such as the fence). Purple asters lend pops of color to the space.