Product review for Astilbe Mix Overall Rating: Write an online review and share your thoughts with other customers Sort Reviews: Newest | Oldest | Highest Rating | Lowest Rating   :: Viewing page 1 of 1  -  Saturday, May 14, 2011 Fast Grower! Reviewed By: Christy (Kenna, WV) These have grown so fast! I bought these last spring(2010) and this year, already, they are every bit of 24" wide. Big, beautiful plants. I also love the colorful plumes it sends up!  -  Sunday, March 11, 2012 beautiful Reviewed By: charlotte pifer (lincoln, arkansas) I love colors.thet are so beautiful.they would make your yard glow with beauty.