A richly yellow climber — a 'vertical sun' on a wall.
'vertical sun'
Repeat-flowering (remontant), June – October/November. Months are approximate, for the climate of Ukraine.
International competitions (no details)
Compare reference temperatures
Moderate, with notes of citrus and tea rose.
Very good against disease.
Repeat flowering June – October.
Data on prickles is incomplete — moderate.
Glossy, dark green, healthy.
Breeder's code DELsar.
Rich sulphur-yellow; the outer petals are sometimes creamy lemon
Warm, contrasting climbers make a lush companion group for the yellow 'vertical sun'.
Blue clematis and perennials make the best contrast with yellow:
For the sharpest contrast beside the yellow Soleil Vertical, use blue accents:
Where to plant. Walls, façades, pergolas, tall arches; a rare pure yellow that 'raises the sun' vertically.
Climate. Winter hardy to about zone 6 (RHS H6, down to −20 °C); in the colder regions of Ukraine, winter protection is needed.
Care. Very good disease resistance; shoots are regularly tied in and trained horizontally for abundant flowering along their full length.
Name. 'Soleil Vertical' (French for 'vertical sun') — the image of a yellow 'sun' rising vertically up a wall or façade.
Breeding. House of Delbard (France), code DELsar; bred around 2007, introduced around 2009. Awarded 5 medals at international competitions.
Significance. One of the few genuinely pure yellow climbers with an old-fashioned, fully double flower — rare and valuable for vertical planting.
The cultivar’s reference temperature is −20 °C. Overwintering depends on the conditions.
Repeat-flowering (remontant), June – October/November.
200–300 cm tall, 100–150 cm wide.
Overall resistance: 5 out of 5. Very good resistance (Delbard, Peter Beales).
Sun; full sun; repeat flowering June – October.
Moderate, with notes of citrus and tea rose.
