Clematis Rouge Cardinal (Late Large-Flowered Clematis)

Never failing to impress, Clematis ‘Rouge Cardinal’ is a vigorous large-flowered clematis variety that gets covered with a profusion of large, 4-6 in. (10-15 cm), glowing velvety crimson flowers, with elegantly recurving sepals, and contrasting creamy stamens.

Never failing to impress, Clematis 'Rouge Cardinal' is a vigorous large-flowered clematis variety that gets covered with a profusion of large, 4-6 in. (10-15 cm), glowing velvety crimson flowers, with elegantly recurving sepals, and contrasting creamy stamens. Flowering occurs from early-mid summer to early fall. Its foliage of trifoliate medium green leaves darkens as the summer progresses. This clematis is ideal to grow over fences, trellises, or through shrubs.

  • Thrives in moist, well-drained soils, in full sun or part shade. Ideally, Clematis prefer having their 'heads in the sun and their feet in the shade'. Keep the roots cool and shaded by other plants or add a layer of pebbles or flat stones at the base. Afternoon shade is appreciated in hot summer areas.
  • Hardy to zones 4-11, it is incredibly free-flowering and can quickly grow up to 6-12 ft. long (180-360 cm).
  • Excellent choice for trellis and can be trained to climb a wall, fence, or arbor.
  • This Clematis belongs to the third group of Clematis – a group including Clematis which flower in late summer on growth made in that season. They should be pruned in late winter or early spring and require 'hard pruning': simply cut back the stems to a pair of strong buds about 1ft. (30 cm) above ground level before growth begins in early spring.
  • Toxic to dogs, toxic to cats, toxic to horses.

Requirements

Hardiness 4
– 11

Heat Zones 1
– 9

Climate Zones 2A, 2B, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A2, A3
Plant Type Climbers
Plant Family Clematis
Exposure Full Sun, Partial Sun
Season of Interest Summer (Early,Mid,Late)Fall
Height 6'
– 12'
(180cm
– 3.6m)
Spread 3'
– 4'
(90cm
– 120cm)
Spacing 36″
– 48″
(90cm
– 120cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Tolerance Deer
Attracts Butterflies, Hummingbirds
Garden Uses Arbors, Pergolas, Trellises, Beds and Borders, Wall-Side Borders, Walls and Fences
Garden Styles City and Courtyard, Informal and Cottage, Traditional Garden