Phostrogen rose food and tonic
How is it different from Phostrogen Plant Food
For many years the Royal National Rose Society has used Phostrogen Plant Food but always added extra magnesium. Rose Food and Tonic has this added magnesium included and in a chelated (sequestered) form to act as a tonic
Is it good for all roses?
Yes, whether it be standard, old fashioned, hybrid tea, miniature, patio, or rugosa.
How do I use it?
It can be applied a soluble through the season for best results or as a powder dressing to the soil in spring and mid summer after the first flowering is over.
Will it cure blackspot and mildew?
No, but a healthy well fed plant is more likely to resist these diseases.
Can I foliar feed?
Yes, foliar feed at half strength using a sprayer. Always remember to foliar apply in cool conditions out of direct sunlight