How to Fertilize astilbe 'Opal'?
Balanced feed in spring and early summer

astilbe 'Opal' · Astilbe 'Opal'
Grow in moist, fertile, humus-rich soil in full sun, or in partial shade if soil is likely to dry out in the summer. Plants must be divided every three to four years to maintain vigour
Balanced feed in spring and early summer