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Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info) Genus: Clematis (KLEM-uh-tiss) (Info) Cultivar: Multi Blue Additional cultivar information: (aka Multiblue)
Hardiness: USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F) USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color: Dark Blue Blue-Violet
Flower Fragrance: No fragrance
Bloom Shape: Double
Bloom Diameter: Large - 5 to 8 inches (12 to 20 cm)
Bloom Time: Mid Spring Late Spring/Early Summer
Sun Exposure: Sun to Partial Shade
Other details: Average Water Needs; Water regularly; do not overwater
Danger: All parts of plant are poisonous if ingested Handling plant may cause skin irritation or allergic reaction
Pruning Groups: Group 2 - Repeat bloomers; prune immediately after flowering
Great vine to have with Jackmanii. Covers the bottom half while Jackmanii climbs higher. Want to try serpentine layering with it next spring for more plants. Have not had double blooms, only singles for 3 years. Maybe next year :).
On May 27, 2009, Joan from Belfield, ND (Zone 4a) wrote:Editor's Note
Some resources list all parts of all Clematis species poisonous if ingested. The toxic principal is Anemonin, and symptoms after ingestion include intense burning sensation in the mouth and mouth ulcers.
Dermatitis and skin irritation has also been recorded, as have allergies and hay fever type symptoms from pollen inhalation.
We tend to err on the side of caution in PlantFiles, and the danger notation in the details above is to caution gardeners, parents and pet owners to look further for more information.
On May 21, 2009, MidnyteShadows from Cleveland, TN wrote:
I planted mine two years ago and it keeps getting better. The blooms are bigger this year. Mine got some kind of fungus at the end of its first season, I removed all affected areas of the plant, added more bonemeal (they love that) to the soil and watered a little more. Perfect! Cured very fast, now no sign of infection on plant. One note: Think about placement. I put it in my front flower bed by my front door, so when it rains hard the water from the roof sometimes knocks the petals off of the older flowers.
On Oct 24, 2008, Dodsky from Smiths Grove, KY (Zone 6b) wrote:
I've had this clematis for several years and after the first year it has never failed to impress me with it's beautiful blooms and vigor. I've had to move it three times over the past eight years, most recently a few weeks ago, and I have no doubt it will bloom as it always does with a big flush of blooms in mid-spring, and then (usually) a small flush of blooms in late summer. The rich purple-blue blooms are large and very full looking. As others have mentioned, after the outer large petals of the double flowers fall off the inner, finer puff of petals remains for at least another week. The blooms gradually turn a lighter shade of silvery purple that is quite pretty. The first year the blooms were mostly singles with a few doubles, but since then it has bloomed nearly all doubles in the spring and a mix of doubles and singles in the late summer flush. After the blooms fade, the shiny, fluffy seed heads if allowed to remain are ornamental as well. It is a hardy and strong grower in my zone 6b garden.
On Jun 15, 2004, kplinn52 from Portland, OR wrote:
The blossoms on my MultiBlue were stunning this year. Even when the outside petals turn brown and fall off (with a little help from me) the inside puff of petals lasts several more weeks.
I found that placing rocks around the roots helps keep the roots cool while at the same time allowing the vine to have the sun it needs.
Regional...
This plant has been said to grow in the following regions:
Elk Grove, California Los Angeles, California Modesto, California Pismo Beach, California San Leandro, California Van Nuys, California Wilmington, Delaware Tennille, Georgia Meridian, Idaho Hampton, Illinois Mount Prospect, Illinois Mt Zion, Illinois River Forest, Illinois Indianapolis, Indiana Smiths Grove, Kentucky Taylorsville, Kentucky Benton Harbor, Michigan Royal Oak, Michigan Lincoln, Nebraska Averill Park, New York Bath, New York Chester, New York Jefferson, New York Mahopac, New York New York, New York Rome, New York Advance, North Carolina Cincinnati, Ohio Coshocton, Ohio Portland, Oregon Walla Walla, Oregon Norristown, Pennsylvania Wilkes Barre, Pennsylvania Conway, South Carolina Simpsonville, South Carolina Aberdeen, South Dakota Cleveland, Tennessee Hendersonville, Tennessee Hixson, Tennessee Knoxville, Tennessee Talbott, Tennessee Bulverde, Texas Lewisville, Texas Willis, Texas Arlington, Washington Marysville, Washington Raymond, Washington Mcfarland, Wisconsin
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