Agapanthus Blue Thunder has flowers in a beautiful, deep blue color. Blue Thunder produces a lot of flower clusters that are very compact. Also the plant stays compact and becomes about 16" tall and 18" wide. Place Blue Thunder in the (full) sun in a well-drained soil. This beautiful Agapanthus is very suitable for perennial borders, for in a pot on the balcony or terrace or in a mixed container. Big plus is that Blue Thunder is resistant to crown rot/Erwinia.