Can you plant Astilbe in the fall like East Texas ?

Question

Will they survive the winter?

Answer 1

Yes. they are very winter hardy, but you need to keep them watered till established.

https://www.gardeningknowhow.com/ornamental/flowers/astilbe/astilbe-winter-care.htm

https://www.gardeningknowhow.com/ornamental/flowers/astilbe/growing-astilbe-plants.htm