Rubromarginata Clematis
Clematis × triternata ‘Rubromarginata‘
Plant Details
USDA Plant Hardiness Zones: 5a-8b Find Your Zone
Plant Type: Flowering Vine
Height or Length at Maturity: 10-12′
Width at Maturity: 3-6′
Spacing: 3-4′ apart to cover fences and walls
Spacing: 3-4′ apart to cover fences and walls
Growth Habit / Form: Climbing, Dense, Twining, Twisted Branching, Sprawling, Rambling
Growth Rate: Fast
Flower Color: White (Near the Center) and Magenta (Near the Tips)
Flower Type: Single – 4 Petaled
Flower Size: 1.5″
Flowering Period: Mid-Summer through Early Fall
Flowering Period: Mid-Summer through Early Fall
Fragrant Flowers: Yes
Foliage Color: Medium to Dark Green
Fragrant Foliage: No
Sun Needs: Full Sun, Morning Sun with Afternoon Shade, Morning Shade with Afternoon Shade, All Day Lightly Filtered Sun
Water Needs: Average
Soil Type: Clay (Amend heavy clay to ensure good drainage), Loam, Sandy, Silt
Soil Drainage: Moist but Well Drained
Soil pH: 6.5 – 7.0
Maintenance / Care: Low
Pruning Group: 3
Attracts: Butterflies, Hummingbirds, Beneficial Pollinators, Visual Attention
Resistances: Cold Temperatures (-20F), Deer – more info, Disease, Heat, Humidity, Insect, Black Walnut, Rabbits
Description
A free-flowering and extremely floriferous and vigorous climber or scrambler, Clematis triternata ‘Rubromarginata’ features masses of wonderfully fragrant starry flowers with narrow white petals edged in rose-purple surrounding greenish-white anthers. The 1.5 inch flowers appear over a long period from mid summer through early fall. The vines are clad with simple to bipinnate dark green leaves. Climbing 8 to 12 feet tall and 4 to 6 feet wide, Rubromarginata is a fine choice for growing on a fence, trellis, pergola or other structure near patios, porches, decks and other outdoor sitting and living spaces where the sweet aroma exuded by the flowers can be enjoyed from close up. It can also be allowed to scramble freely through shrub and tree borders.
Landscape & Garden Uses
Climbing 10 to 12 feet high and spreading 3 to 6 feet or more wide, the Rubromarginata Clematis is ideal for growing on fences, trellises, arches, lamp posts, obelisks, poles, pergolas, arbors and other structures its vines will twine around. Excellent on a tall obelisk or trellis in pots, planters and other containers for situating on patios, decks and around other outdoor living spaces where the fragrant flowers can be enjoyed from close up. A fine addition to Clematis gardens, fragrance gardens and cottage gardens.
Suggested Spacing: 3 to 4 feet apart to cover fences, trellises, and walls
Growing Preferences
Rubromarginata Clematis is easy to grow in a moist but well-drained soil of average fertility and full sun to part shade. Though it tolerates dry periods when established, it will appreciate an occasional watering in prolonged periods of dry weather. Make sure not to plant this one too deep as it tends to smother the plant.
Clematis Pruning Group 3
Clematis in group 3 consist of late-flowering species that bloom from mid-summer into fall. This group flowers on the last 2 to 3 feet of the current season’s growth (new wood). They are easy to prune because you do not need to maintain any old wood. In February or March, cut each stem to a height of 1 feet or so. Always make sure to leave two good buds along the stems below where you make your cut. New growth will emerge from these buds to produce the current seasons vines and blooms.
Helpful Articles
Click on the link below to find helpful advice from our experts on how to plant and care for Clematis vines
How To Plant A Clematis
How To Prune A Clematis
Plant Long & Prosper!
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