The well-known Saucer Magnolia, obtained by a French nurseryman of the 19th century, is a very heavy bloomer from an early age. |
I would suggest you take some leaves to a certified nurseryman for proper disease identification and recommendation of a foliar fungicide. |
I would photograph the growths and have an arborist or nurseryman positively identify the growth. |
For window culture, the everblooming Roses are the best, and they should be ordered of the nurseryman in suitable pots. |
The nurseryman sent thousands of plants all over the North Island and quite a lot to the South Island. |
It is something of a myth that only roses that have been budded on to a rootstock by a nurseryman will grow. |