Name: Daisy I Reno, Nv (Zone 6b) Not all who wander are lost
Welcome to NGA!
Carefully (don't want to disturb new shoots) dig down to one of the rhizomes and check to see if it's moosh. If they are solid, give them a chance. Astilbe are used to this sort of thing.
Daisy
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost
President: Orchid Society of Northern Nevada
Webmaster: osnnv.org