Perennial in blues or pinks or reds, tall, solid colored. Thank you.
Phlox was the most prominent border plant in perennial gardens since the turn of the century through the 1940s. Currently there are over 800 varieities of Phlox ranging in colour , height, and flowering time ( June – September). This beautiful perennial thrives in full sun, well-watered, rich alkaline soil. The biggest problem that faces this perennial is powdery mildew. Mildew tends to be a problem in regions with high humidity, but will also affect phlox that are planted in dry soil. Thinning phlox by one third to allow air circulation and avoiding drought is often recommended to reduce the incidence of powdery mildew, but this is not always effective and in some years plants get mildew whether thinned or not. The best treatment is to plant mildew resistant cultivars. Some resistant forms of Phlox paniculata include ‘David’, ‘Eva Cullum’, ‘Look Again’, ‘Sandra’, ‘The King’.
Phlox seeds can be planted directly into the garden once the dangers of frost have passed. May 9th is Environment Canada’s average last frost date for Toronto. If you would like your phlox to bloom earlier, you can start the seeds indoors, about 6-8 weeks before the last frost date.
You may wish to check out your local garden center or Farmers Markets for Phlox seeds as well as the following websites:
Enjoy growing this beautiful perennial.