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

clematis 'Marilyn' · Clematis 'Marilyn'
Grow in full sun or partial shade in cool, moisture-retentive, well-drained soil, with the crown 5-8cm deep to encourage new shoots to grow from below ground level; keep the base of the plant and the roots cool and shaded by other plants or a layer of pebbles or flat stones; for more advice, see clematis cultivation
Balanced clematis feed monthly in spring, higher potash before bloom