Astilbe like water, shade to part shade, and will tolerate some clayey soil. Spring to summer blooming, with some variety in height: Leaves tend to be a foot or less high, and flower spikes can get over 30".
These estimates for how long Astilbe takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 13 days | Min 7 days | Max 54 days (4)
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
False spirea, Goat's beard, Chinese astilbe
Misspellings: Astible
1 missouribotanicalgarden.org