SEE IMAGES OF ASTILBEĀ FANAL Astilbe Fanal Shape & Size Final Height: 50 – 70cm Final Spread: 50cm Growth: Fast Growth Rate. Astilbe Fanal plants are ideal for difficult sites in gardens. They need damp soil conditions to thrive and will be happy in a shaded spot Type: Herbaceous perennial Habit: Clump forming, bushy perennial ...