Commercially available

• Happy Birthday
• Jewel of Merk

1 favorite vote.  

Bred by Wim Snoeijer (Netherlands, 1999).
Introduced in Netherlands by J. van Zoest bv in 2009 as 'Happy Birthday'.

Group 3, Late Large Flowered.  

Purple, ages to blue .  up to 6 petals.  Average diameter 3.25".  Small to medium, overlapping bloom form.  Late summer to midautumn.  

Height: 8'2" to 9'10" (250 to 300cm).  

USDA zone 5a through 9a.  

If you know the parentage of this clematis, or other details, please contact us.