How to Fertilize Clematis 'Hendryetta'?
Balanced clematis feed monthly in spring, higher potash before bloom

Clematis 'Hendryetta' · Clematis 'Hendryetta'
Plant herbaceous clematis in moisture-retentive, well-drained soil in full sun, with the roots and base of the plant in shade. Plant with the crown of the clematis level with the soil. Ideal for growing through plants in the herbaceous border. See clematis cultivation
Balanced clematis feed monthly in spring, higher potash before bloom