Companion plants for Astilbe
Astilbe blooms from June through July. It wants part shade and high water. The 8 companion pairings below each state why the pairing works.
Blooming before Astilbe opens
Azalea
Shares part shade and moderate to high water; blooms in mid spring, before this one opens; evergreen, so the bed keeps its shape through winter; taller at 3.9 ft, for the layer behind it.
Bergenia
Takes part sun to part shade and moderate to high water; blooms in mid spring, before this one opens; evergreen, so the bed keeps its shape through winter; echoes the pink.
Hellebore
Shares part shade and moderate to high water; blooms in late winter, before this one opens; evergreen, so the bed keeps its shape through winter; echoes the pink.
Flowering Dogwood
Shares part shade and moderate to high water; blooms in mid spring, before this one opens; its white flowers settle the pink.
Camellia
Shares part shade and moderate to high water; blooms in midwinter, before this one opens; evergreen, so the bed keeps its shape through winter; taller at 6.6 ft, for the layer behind it; they only overlap in zones 7 to 8.
Taking over as Astilbe finishes
Northern Sea Oats
Shares part shade and moderate to high water; overlaps, then carries the display into early fall; its seed heads stand through winter, for structure and the birds; taller at 3.3 ft, for the layer behind it.
Turtlehead
Takes part sun to part shade and high water; blooms in late summer as this one finishes; echoes the pink.
Summersweet
Shares part shade and high water; overlaps, then carries the display into late summer; taller at 5.9 ft, for the layer behind it; a soft color beside the pink.