Photo by Melody

PlantFiles: Japanese Wisteria, Kyushaku Wisteria
Wisteria floribunda 'Longissima'

Family: Papilionaceae (pa-pil-ee-uh-NAY-see-ee) (Info)
Genus: Wisteria (wis-TEER-ee-uh) (Info)
Species: floribunda (flor-ih-BUN-duh) (Info)
Cultivar: Longissima
Additional cultivar information: (aka Macrobotrys, Multijuga, Murasaki Naga Fuji, Naga Noda, Purple Patches)

One vendor has this plant for sale.

16 members have or want this plant for trade.

Vines and Climbers

15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)

Unknown - Tell us

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)

Sun Exposure:
Full Sun

All parts of plant are poisonous if ingested

Bloom Color:

Bloom Time:
Mid Spring


Other details:
Flowers are fragrant

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:

Propagation Methods:
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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By Kell
Thumbnail #1 of Wisteria floribunda by Kell

By Kell
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By purplesun
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There are a total of 8 photos.
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2 positives
No neutrals
2 negatives

Gardeners' Notes:

Positive sladeofsky On Jan 18, 2015, sladeofsky from Louisville, KY (Zone 6b) wrote:

This selection has the longest flower clusters of all, up to 3 (some claim 4) feet. The length is variable however, nonetheless still larger than other Wisterias.

Negative pmehring On Dec 22, 2014, pmehring from Charlottesville, VA wrote:

Japanese Wisteria is extremely invasive in our area. We have seen it pull down large trees. We suggest checking your state's invasive plants list before planting Wisteria. We have had some success trying to eliminate it by cutting the vines and runners close to the ground and treating them with glyphosate solution. Be aware that wind can spread the seeds far from the parent plant. The twenty foot long runners also can spread the vine quickly.

Negative BotanicalBoi On Oct 23, 2011, BotanicalBoi from Carrollton, GA (Zone 7b) wrote:

This plant, while beautiful and with great smell has taken over a better part of my garden. It is impossible to get rid of. I have even used brush clearer with no luck. Please be careful unless you want this EVERYWHERE!

Positive cernunose On Oct 1, 2003, cernunose wrote:

have had this species for some time now and i adore it ! absolutely gorgeous plant if you dont mind training and caring for a fairly fast growing plant.

the wisteria propagates by thier roots.
they branch out underground and after a while rise up and begin to form,
to produce new plants from an old one simply cut a 6-whatever inch section of a set of roots that has started to sprout and already has its first leaves, then plant:)


This plant has been said to grow in the following regions:

Tucson, Arizona
Brea, California
Sacramento, California
Spring Valley, California
Carrollton, Georgia
Wyanet, Illinois
Cambridge, Massachusetts

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