Professional Growing Information 
I've had Happy Jack growing up a trellis for around 10 years now. I cut it back to around two feet in early spring, and feed it. It grows very quickly every year and blooms reliably. However, I don't find it blooms over a long period--more like two to three weeks, definitely not mid-summer into fall as in the description on this website. One year I experimented with cutting it back by half after it bloomed, but this did not produce new flowers as I'd hoped. It's growing well in a spot that receives sun in the morning and mid to late afternoon, shade during the middle of the day.
Happy Jack® Purple Clematis x
Exposure
- Part Sun to Sun
- Sun
Flower Season
- Summer
Mature Size
Height: 6' - 8'
Spread: 3' - 4'
Height: 1.8m - 2.4m
Spread: 91cm - 1.2m
-
Details
72 - 96 Inches48 - 60 Inches36 - 48 Inches1.8m - 2.4m1.2m - 1.5m91cm - 1.2mFeatures
It's a super easy-to-grow clematis with great color and large flowers!
Velvety plum-purple flowers with intriguing center highlights and bright yellow stamens characterize this version of the ever-popular 'Jackmanii' clematis. This early and long-flowering beauty blooms from mid-summer into fall, and is noted for its intense purple flower color and large (3-5" blooms). It flowers on new wood and old wood so you simply prune it back to 2 feet each spring. Winner of a Green Thumb award from the Direct Gardening Association.
Top three reasons to grow Happy Jack® Purple clematis:
- Better color and bigger flowers than the popular 'Jackmanii' clematis
- Very long bloom time
- Low-maintenance
Long BloomingVine:VineCharacteristics
Plant Type:ShrubShrub Type:DeciduousHeight Category:TallGarden Height:72 - 96 Inches 1.8m - 2.4mSpacing:48 - 60 Inches 1.2m - 1.5mSpread:36 - 48 Inches 91cm - 1.2mFlower Colors:PurpleFlower Shade:plum-purpleFoliage Colors:GreenFoliage Shade:greenHabit:ClimbingContainer Role:ThrillerPlant Needs
Light Requirement:Part Sun to SunLight Requirement:SunThe optimum amount of sun or shade each plant needs to thrive: Full Sun (6+ hours), Part Sun (4-6 hours), Full Shade (up to 4 hours).
Maintenance Category:EasyBlooms On:New WoodBlooms On:Old WoodBloom Time:SummerHardiness Zones:5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9bWater Category:AverageUses:Border PlantUses:ContainerUses:LandscapeUses:Specimen or Focal PointUses Notes:Specimen planting; container gardens; perennial gardens; mixed borders
Maintenance Notes:Prefers cool, moist, well-drained soils. Prune back to 2 feet in spring and apply a controlled-release fertilizer.
Happy Jack® Purple Clematis x 'Zojapur' USPP 20,343 -
4 Reviews
5242321Browse reviews from people who have grown this plant.-
Karen, Rhode Island, United States, 2 weeks ago
-
Unkillable.
Andrew, Texas, United States, 6 weeks ago -
I bought 2 of these plant's last year. They're doing really good.
Margo Goyette, California, United States, 1 year ago -
The blooms on this plant are absolutely gorgeous; very large (about 4"), bright deep violet with yellow centers! The blooms also last for several weeks. I love this plant.
Terri Carter, Ohio, United States, 5 years ago
-
