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Are you having problems with pests and your Roses? First of all, let's identify these pests.
I sometimes use a soapy mixture to spray my Roses, as products are so plentiful I would suggest that you consult your local plant nursery for products that would be best suited to your area and your particular pest problem to rid those beautiful Roses of their unwelcomed pests.
Aphids: These are probably the most common insect pests on Roses, They will winter over in the egg stage and several generations of these Aphids will develop during the summer. Since they do not eat, but suck sap from the new growth and buds, usually a contact spray is sufficient for these pests.
Caterpillars and Maggots: These are the most plentiful in late spring and early summer. A small green maggot especially causes great damage by skeletonizing the leaves if it can gain a foothold and is not detected. A contact spray will also help on these caterpillars and Maggots.
Rose Bugs: Sometimes these are called Rose Chafer, and these Rose Bugs have been giving trouble in the eastern United Sates and Canada for well over a hundred years. Sometimes putting four-foot cheesecloth fenes around the beds duringthe short Rose Bug season will keep them out. Contact sprays are all good for ridding your Roses of Rose Bugs.
Rose Midge: This is a minute, brownish gnat or fly that will lay eggs in the tips of developing growth, leaf or blossom buds, from which the little maggets hatch in a few days. The maggots feed on this new growth, killing, or deforming hte buds and killing new shoots. Contact sprays or dusting would be best for this pest.
Thrips: Roses that fail to open fully and that show brown wilt at the edges of the petals or deformed buds are very liable to be infested with minute, brownish-yellow-winged insects, call Thrips. Weekly contact sprays will rid the Roses of Thrips.
Japanese Bettle: The Japanese Beetle has become a very serious Rose pest in most of the United States, the foliage can be sprayed with contact spray but it doesn't necessarily protect the opening buds or flowers.
Red Spiders: These are tiny yellow to red mites that actually cling to the under side of the leaves and cause a rusty appearance and defoliation. Contact spray is need for these also.
Mice: Mice can often gnaw the bark on Roses, especially on climbers, traps and various methods can be handled to solve this problem or at least to slow it down.
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