Commercially available

• C. tangutica 'Helios'
• Helios
• Tangutica 'Helios'

2 favorite votes.  

Bred by Boskoop Research Station (Netherlands, 1988).

Group 3, Late, Small-flowered, Tangutica Group.  

4 petals.  Average diameter 3".  Single, nodding bloom form.  Late spring to early autumn.  

Height: 7' (215cm).  

USDA zone 4b through 9b.  Plant in soil that drains well.  Plant in sun or partial shade.  This plant blooms on the current season's growth.  In early spring, cut back to just above the lowest set of healthy buds.  

Diploid