How to Fertilize Clematis 'Denny's Double'?
High-potassium climbing vine feed every three weeks spring through bloom

Clematis 'Denny's Double' · Clematis 'Denny's Double'
Plant in 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 new shoots to grow from below ground level. See clematis cultivation
High-potassium climbing vine feed every three weeks spring through bloom