Plant Finder - Sheridan Nurseries
It is a robust grower with full plumes of silvery white flowers on thick stems over dark green foliage. It is an excellent grower with late summer blooms and it is somewhat drought tolerant compared to other astilbe plants.
How to Grow Lemongrass-Indoors or Out | Blog | GrowJoy
"How to Grow Lemongrass-Indoors or Out" - Also has basic key harvesting tips! Good to know it attracts cats. Explains why I've started seeing so many lately