I have Malicorne grafted on multiflora. It grows very upright for me, in my zone 7b garden (heavy clay soil, drainage isn’t the best, slightly alkaline). In its first year, it grew to over 4’ tall and it’s about 18”-24” wide. Its natural habit seems to be a nice vase shape. The flushes are amazing, with lots and lots of flowers. The repeat is pretty average. I have Malicorne in a south-facing bed, and the blooms don’t get scorched. The blooms are really rounded and beautiful. It’s pretty unique among my reds, both for the color and the shape of the blooms. I don’t recall issues with black spot. It’s just a healthy, lovely rose bush. I didn’t bring the blooms inside, so I’m not sure about vase life. The flowers do last a decent amount of time on the shrub.

Grafted on multiflora, first year growth was upright and narrow, reached nearly 5’. Healthy foliage and black spot resistant in wet, hot, humid New England summer. Bloom production was average.

Available from - Palatine Roses
https://palatineroses.com/

Available from - Palatine
https://palatineroses.com/