Clematis 'Ernest Markham' (Clematis 'Ernest Markham') will reach a height of 4m and a spread of 1m after 2-5 Years. Plant in fertile, well-drained soil especially chalky soils. Its 4-6" diameter pinkish-red, magenta blooms are produced profusely on the current year's growth. This classic hybrid produces magenta or deep-red flowers. Needs sun to produce good flower display. An easy and vigorous plant, Ernest Markham is best grown in full sun in northern climates. Very floriferous! Try with White Dawn Rose as … Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition. Wallside and trellises. Clematis Ernest Markham is offered in a full gallon size with free shipping! Ernest Markham Clematis is a multi-stemmed deciduous woody vine with a twining and trailing habit of growth. Clematis 'Ernest Markham' has 4-6inch, magenta-red petals with a velvety sheen and golden anthers. Cultivation. Suggested uses. The Ernest Markham Clematis is truly a wonder to behold! Desiring a sunny location but with shaded "feet" or roots, this clematis is sure to make its home on your arbor, trellis, or decorative wall.