HOW TO GROW CLEMATIS FLORIDA 'SIEBOLDII' |The Garden of Eaden

How to grow Clematis florida 'Sieboldii'

Clematis florida 'Sieboldii' is an extremely attractive, flowering climbing plant that was introduced to European gardeners from Japan in around 1836. It bares a striking resemblance to the hardy passionflower - Passiflora caerulea but has more elegant blooms and displays a less vigorous growth habit. They are considered deciduous but can be semi-evergreen in milder climates, however like other clematis they are fully cold hardy.

Clematis florida 'Sieboldii'

You can grow Clematis florida 'Sieboldii' both in the ground or as a container plant, either way they will need to be grown in a sunny, sheltered position. When pot grown use as large a pot as you can comfortably carry, and plant the clematis using a good quality, free draining compost.

When planting in the ground Clematis florida 'Sieboldii' will be happy in any fertile, well-drained soil although they will prefer one which is slightly alkaline. Like other clematis species the roots like to be kept in cool shade. This can be provided by a dry mulch such as gravel or bark chips or position another plant near the south side of the roots.

Apply a slow-release balanced fertiliser such as osmocote when planting new stock and provide a mulch of well-rotted compost or farm manure around the base of the plant in early spring.

Established plants can be feed with a liquid fertiliser every 7-10 days and water over the growing period in their first year of planting. Established plants will only require watering over the hottest part of the summer, while pot grown specimens will need considerably more.

Clematis florida 'Sieboldii' is relatively pest-free however they can suffer from aphids on new growth and the flowers can be prone to damage from earwigs. Luckily, unlike their cousins, the large flowering hybrids, they are not particularly prone to clematis wilt so it isn't really necessary to sink the root ball by 30 cm or so.

Pruning is only required in the spring to remove dead or damaged stems. This should be done before the new growth appears. Cut back all stems back to a strong set of buds.

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