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

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

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

[ Reply to this comment | Give a thumbs up ]

« Add a new plant to the database

» Search the Clematis Database: by characteristics or by cultivar name

« See the general plant entry for Clematis

« Visit the Clematis forum

« The Clematis Database Front Page

« The Plants Database Front Page

Today's site banner is by greenappleagnes and is called "Oriental Poppy"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.