Clematis heracleifolia var. davidiana 'Côte d'Azur' (Tube Clematis) — Climber

Overview

Clematis heracleifolia var. davidiana 'Côte d'Azur' is a climber in the genus Clematis, part of the Ranunculaceae family. Clematis heracleifolia var. davidiana 'Côte d'Azur' grows best in full sun and partial shade, and tolerates well-drained soils. Its UK hardiness is rated H5. It is native to China.

About

Clematis heracleifolia var. davidiana 'Côte d'Azur' is a clematis cultivar noted for its elongated tubular blue flowers which appear from May to September. It is a climber in the Ranunculaceae suited to a sheltered position. Plant in moist, well-drained soil and position in full sun to partial shade. It is hardy in the UK (H5) and originates from China.

Wikipedia contributors, CC BY-SA 4.0 — Clematis heracleifolia

About the genus

Clematis is a genus of about 380 species within the buttercup family, Ranunculaceae. Their garden hybrids and cultivars have been popular among gardeners, beginning with Clematis 'Jackmanii', a garden staple since 1862. More cultivars are being produced constantly, mainly of Chinese and Japanese origin.

Wikipedia contributors, "Clematis", CC BY-SA 4.0 — Clematis

In the garden

Clematis heracleifolia var. davidiana 'Côte d'Azur' is a cultivar of Clematis in the buttercup family, native to China and grown for its elongated tubular blue flowers from May to September. As a member of the genus Clematis it behaves as a climber and is best sited where it benefits from some shelter from strong winds. Give the plant a position in full sun to partial shade with soil that remains moist but is well drained; avoid waterlogging while keeping roots supplied during dry spells. A sheltered aspect helps protect shoots through winter and spring; the cultivar carries a UK hardiness rating of H5, meaning it is hardy in most UK gardens. Use 'Côte d'Azur' where a sheltered climber is required — trained up a support, edge of a border or against a warm wall where drainage is good and some shade is available for the roots. Expect a reliable display of tubular blue flowers from May to September on Clematis heracleifolia var. davidiana 'Côte d'Azur'.

Growing conditions

Best soil and position for Clematis

Sunlight: full sun, partial shade
Soil type: well-drained
Soil moisture: moist
Exposure: sheltered
UK hardiness: H5

Plant details

Clematis heracleifolia var. davidiana 'Côte d'Azur' size, habit and characteristics

Plant type: Climber
Native to: China

Care notes

Pruning and caring for Clematis heracleifolia var. davidiana 'Côte d'Azur'

Cultivation: Prefers sheltered position with well-drained soil. Tolerates partial shade. Water regularly during dry periods.
Pruning: Prune lightly after flowering to maintain shape and encourage new growth.
Propagation: Propagation by semi-ripe cuttings in summer or by layering.

Frequently asked questions

How do I grow Clematis heracleifolia var. davidiana 'Côte d'Azur'?

Prefers sheltered position with well-drained soil. Tolerates partial shade. Water regularly during dry periods.

Where is the best place to plant Clematis heracleifolia var. davidiana 'Côte d'Azur'?

Clematis heracleifolia var. davidiana 'Côte d'Azur' prefers full sun and partial shade. It suits sheltered positions.

What soil does Clematis heracleifolia var. davidiana 'Côte d'Azur' need?

Clematis heracleifolia var. davidiana 'Côte d'Azur' grows best in well-drained soil. Aim for soil that stays moist.

How do I prune Clematis heracleifolia var. davidiana 'Côte d'Azur'?

Prune lightly after flowering to maintain shape and encourage new growth.

Is Clematis heracleifolia var. davidiana 'Côte d'Azur' hardy in the UK?

Clematis heracleifolia var. davidiana 'Côte d'Azur' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Clematis heracleifolia var. davidiana 'Côte d'Azur'?

Propagation by semi-ripe cuttings in summer or by layering.

More in the Clematis genus

Browse all Clematis →