Description
CLEMATIS ‘Ernest Markham’ is a striking, large-flowered cultivar celebrated for its rich crimson-red blooms and vigorous summer performance. Each flower spans up to 15cm across, with six overlapping velvety sepals and buff-yellow stamens that glow against the deep red backdrop. This cultivar is ideal for fences, pergolas, arches, and tall obelisks where its bold colour and rapid growth can be fully appreciated. This CLEMATIS belongs to Group 3 (late-flowering) CLEMATIS, flowering on new season’s growth. It’s ideal for wildlife-friendly gardens, summer colour schemes, and mixed borders where vertical interest and vibrant hues are needed.
Key Features:
Propagation method: Vegetative soft-wood cuttings.
Substrate: Jiffy peat-free propagation Mix.
Plug Size: 3.5cm.
Production system: Grown without artificial light or heating for hardened plants.
Flowers: Velvety crimson-red with buff-yellow stamens
Foliage: Green, deciduous, divided leaves with moderate summer coverage.
Flowering period: July to September (Group 3)
Height: Up-to 400cm at maturity.
Spread: Up-to 100cm at maturity.
Hardiness: Hardy in most UK regions.
Pollinator value: Highly attractive to bees and beneficial insects.
Sensory value: Ideal for SEND gardens and therapeutic planting schemes.
Ecological impact: Grown in peat-free substrate with no artificial inputs, pollinator and wildlife-friendly.
Awards: RHS Award of Garden Merit for reliability, ornamental value, and strong garden performance.
Planting & Care:
Prefers full sun or light shade & moist but well‑drained alkaline to neutral soils.
Mulch in autumn to protect roots in colder climates.
Prune lightly to maintain shape and encourage bushiness.
Ideal for containers, covering fences, pergolas, arches, and Pollinator/Wildlife-friendly planting schemes.
Commercial Notes:
CLEMATIS ‘Ernest Markham’ are supplied as strong, well-rooted, hardy plug plants ready for potting into pots up-to 2lt formats.
Ideal for nursery, and wholesale formats and performs well in peat-free and organic programs.
Suitable for wildlife-friendly, and sustainable product ranges.





