(M.G. Zwijnenburg, Boskoop, NL 1979)
Young twigs, leafs and flowers pubescent. Flowers cream, flushed pink outside.
The flowers are smaller than in other forms and start to flower at the end of March, continuing until the beginning of May.
Found by M.G. Zwijnenburg and Roy Lancaster in the Caucasus in 1979.
It was named ´Inga´, after a local Russian guide during the Caucasus expedition.
This cultivar is less prone to mildew than the clone common in cultivation.