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R. 'Cobalt'

R. 'Cobalt'


A yet unregistered new hybrid by Singing Tree Gardens is a cross between R. 'Crater Lake' x R. 'Starry Night'. The dark blue-purple color of the 'Starry Night' is mixed with the larger truss size of 'Crater Lake'. The plant seems to stay much lower than 'Crater Lake' being around 3-4 ft tall in 10 years. Dark green foliage. Flowering is in late April going into early May. Hardy to zone 7. 

Rare Variety – This variety is difficult to find anywhere due to these reasons

·        Hard to propagate – many cultivars do not root easily from cuttings, but at a reduced rate thus making the plant rare.

·        Hard to find – these cultivars are hard to find in the first place, probably because they are hard to root from cuttings

·       Singing Tree Gardens Originals – All cultivars created uniquely by Singing Tree Gardens are deemed ‘rare’. Singing Tree Gardens is the ‘Exclusive Distributor in the USA’ of this variety.

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