Clematis paniculata

Germination

Sow indoors at any time. Sow 13mm deep into moist well-drained seed compost. Ideal temp. 18-22°C. Germination is erratic, even under ideal conditions can take 30-270 days. If germination has not occurred after 4-6 weeks of warmth cold stratify. Move to 4°C. for 4-6 weeks then return to warmth. Repeat process until germination occurs. Do not discard the seed tray too soon. Cold stratification is not always required. Transplant seedlings when large enough to handle to 8cm pots. Acclimatise and plant out after danger of frost has passed.

Growing

Prefers a moisture retentive, well-drained soil. The roots of the plant need to be keep cool and shaded by other plants or a layer of pebbles. Can be grown in containers which are at least 45cm deep.

Cultivation

This plant flowers on the current seasons growth. To maintain good flowering the plant must be hard pruned in late winter or early spring. Prune back to a strong bud on each stem which is approximately 30cm above ground level. Ensure pruning occurs before the new seasons growth begins.