How to Fertilize Clematis petriei?
Apply a balanced fertilizer in spring and again in summer.

Clematis petriei · Clematis petriei
Plant in a moisture-retentive, well-drained soil, with the roots and base of the plant kept cool and shaded by other plants or a layer of pebbles at the base. Plant with the crown 5-8cm deep to encourage shoots to grow from below ground level. Good for ground cover or scrambling up trees in a naturalistic setting. See clematis cultivation
Apply a balanced fertilizer in spring and again in summer.