- Blasting the leaves often with a high pressure nozzle or power sprayer is an easy preventative measure, destroying the fragile bodies and preventing the onslaught of colonization.
- An easy, non-toxic topical spray consisting of:
- two teaspoons of liquid dish washing soap
- two tablespoons of any vegetable cooking oil, new or used
- one gallon of water
- Applications of systemic poison is an effective means to destroy entire colonies of mites. I hate to use soil toxins but usually apply a dose to new plants and species especially prone to infestations. Bayer 2+1 Rose Care is inexpensive and available at garden centers.
- Culm removal helps thin leaf matter and opens the grove, allowing the above remedies to be more effective. Sometimes, if a grove has been too neglected or damaged, cutting back the entire grove and eradicating the infested vegetation is the best option. If the grove is established, it will grow back again in the spring.