How to Fertilize clematis 'John Warren'?
Potassium-rich vine feed every three weeks leading up to blooming
clematis 'John Warren' · Fertilizing
clematis 'John Warren' · Clematis 'John Warren'
Plant in a moisture-retentive, well-drained soil; the flower colour is strongest in sun; keep the base of the plant and the roots cool and shaded by other plants or a layer of pebbles or flat stones at the base See clematis cultivation for more advice
Watering: Root zone stays damp, mulch base to retain consistent soil moistureSunlight: Full sun · Partial shadeSkin irritant. Wear gloves and other protective equipment when handling