Summertime Care of Roses and Crape
Roses also need special care during hot weather.
During the summer, many area gardeners lose interest in their
roses because summer heat promotes small, faded flowers of
poor quality. However, if gardeners are persistent, proper
care during July and August will insure attractive foliage
and an abundance of flowers throughout the fall and early
Poor cultural practices and neglect during
summer months will weaken plants and make it harder for them
to withstand rugged winter conditions. Here are some suggestions
on summer care of roses:
1. As flowers fade and petals fall, remove
old flowers. Otherwise, food and energy will go into seed
production rather than plant growth and flower production.
2. When removing spent flowers, cut just above
the second 5-leaflet leaf above the main cane or branch.
3. Apply ½ pound of a slow-release fertilizer
such as 19-5-9 every month as new growth develops following
a flowering cycle. Do not fertilize after August 15, so that
plants can mature and be less susceptible to winter injury.
4. During hot, dry weather, water rose beds
thoroughly every week to a depth of 8 to 10 inches.
5. Control blackspot and mildew by spraying
with Funginex or a fungicide containing bayleton every 7 to
10 days from the time new growth starts in the spring, and
continue applications throughout the growing season until
For more information about growing roses, see: