Clematis (Clematis viticella 'M. Koster') in the Clematis Database

Also sold as:
Margot Koster
Margaret Koster
Mr. Koster
Monsieur Koster
Marinus Koster

Data specific to Clematis (Edit)
Raised by: Marinus Koster
Country of Origin: Holland
Growing Zones: USDA Zone 3
USDA Zone 4
USDA Zone 5
USDA Zone 6
USDA Zone 7
USDA Zone 8
USDA Zone 9
Plant Group: Viticella
Typical Plant Size: Typically 10 to 15 feet
Pruning Group: Group 3 - Hard pruning recommended in early spring
Bloom Diameter: Small - 2 to 4 inches
Bloom Color (Tepals): Mauve hue
Center Color (Anthers): Yellow anthers
Bloom Shape: Single
Other: Tepals recurve at edges and roll back on themselves
Preferred Light: Tolerates partial shade
Prefers full sun
Moisture Requirements: Average moisture requirements
Disease Resistance: Very disease resistant

General Plant Information (Edit)
Plant Habit: Vine
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Plant Height: 10-12 ft.
Leaves: Deciduous
Flowers: Showy
Flower Color: Mauve
Flower Time: Summer
Late summer or early fall
Containers: Not suitable for containers

Comments:
Posted by goldfinch4 (Ripon, Wisconsin) on Feb 2, 2012 3:19 AM

Large flowers for a viticella. Gaps between tepals. Quite slow growing.

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