Severe infestations, besides making the plant unattractive, will weaken it considerably even to the point of death. Soft scale is more prevalent in the south affecting such plants as citrus, gardenias, hollies and camellias. The most important hard scale attacking outdoor plants are the San Jose, oyster shell, euonymus and rose scale. Follow up sprays are necessary. All sprays should be mixed and applied according to the directions on the label.
Timing is quite important in treating for scale.
Much better control of insects is obtained if sprayed in the crawling stage. Repeat in 10 days. Spray with Sevin or Diazinon. Spray with Sevin or Diazinon. Oyster Shell Scale - Use Sevin or Malathion about June 1st and June 15th.