Clematis 'Asao' in the Clematis Database

Data specific to Clematis (Edit)
Raised by: Kasushige Ozawa
Country of Origin: Japan
Growing Zones: USDA Zone 4
USDA Zone 5
USDA Zone 6
USDA Zone 7
USDA Zone 8
USDA Zone 9
Plant Group: Patens
Typical Plant Size: Typically 8 feet
Pruning Group: Group 2 - Optional, light pruning after flowering
Bloom Diameter: Medium - between 4 to 6 inches
Bloom Color (Tepals): Other: Pink and whie
Bar or Accent Color (if applicable): White bar
Center Color (Anthers): Yellow anthers
Bloom Shape: Single
Preferred Light: Tolerates partial shade
Prefers full sun
Suitability as Cut Flower: Excellent cut flower (strong stem, long vase life)
Moisture Requirements: Average moisture requirements
Additional Information: Free-flowering (very floriferous)
Recommendations: Good choice for a container
Good choice for shaded areas or northern walls

General Plant Information (Edit)
Plant Habit: Vine
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Plant Height: 8-10 ft.
Leaves: Deciduous
Other: Turns bronze in late spring
Flower Color: Bi-Color: Pink and white
Flower Time: Late spring or early summer
Late summer or early fall
Containers: Suitable in 3 gallon or larger


Photo gallery:

Posted by Yorkshirelass (North Yorkshire) on May 23, 2017 11:33 AM

This Clematis does not perform well in my garden The flowers are poor and very quickly turn brown. It will be removed and replaced with a different variety.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Untitled by mattsmom Dec 3, 2011 2:01 PM 1
Cultivar Confirmation by DogsNDaylilies Jun 28, 2017 6:05 PM 7
Blooms and Chat! by Calif_Sue Apr 18, 2019 9:51 PM 253
All Things Clematis 2015 Photos & Chat! by Calif_Sue Jul 26, 2015 7:09 AM 332
Anyone seeing clematis growth yet? by Cem9165 Apr 29, 2014 7:32 PM 114
question about pruning by Frillylily May 26, 2013 9:14 PM 2
Early Blooms by canadanna Apr 27, 2012 4:49 AM 72
Using Shrubs as Clematis Support by BlissfulGarden May 16, 2010 4:42 PM 16
Knockout blooms at my sister's by Hemophobic May 9, 2011 7:46 AM 2
Ville de Lyon by Hemophobic Aug 23, 2011 8:12 AM 7
I planted 12 Clematis today. by Newyorkrita May 22, 2010 6:59 PM 10
What is your Favorite CLEMATIS? by sandnsea2 Oct 6, 2014 6:23 PM 78

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