Dormant oil applications are not appropriate on citrus or avocado trees as these species don’t enter a winter dormancy. When mixing up spray solutions, mix less than you think you’ll need, as ...

A: I don’t have any in my pharmacopoeia at the moment, so I can’t read a label to see what plants are listed as ones to NOT spray with a dormant oil, but I do think that applying a dormant oil ...

Dormant oil spray must be applied before the leaves or flowers show themselves and when temperatures are in the 40s or above with no rain for 24 hours. Minimally, two and ideally three applications ...

Dormant oil sprays are applied to plants during mid to late winter to control overwintering insects, often scales. Some plants infested by scale insects include lilac, dogwood, Euonymus, apple ...

IN THE GARDEN: Scale insect on plants can be treated with insecticide, or dormant oils in cooler weather. May 14, 2022 at 8:30 a.m. by Janet B. Carson ...

Q. I am confused about when and how to apply dormant oil. What pests does it control? A. Dormant oil is used to “smother” the overwintering stages of insects such as spider mites, scales ...

Horticultural oil (and its use) is frequently misunderstood. Hopefully, this information will give you enough knowledge to effectively use this valuable tool in your pest control toolbox ...

When is the best time, or what is the best temperature, to apply dormant sprays to my apple tree? - Gale, Racine. Dormant oil sprays must be applied before the leaves start to emerge, which means ...

Question: Does dead crabgrass look like white dead clumps dotted around the lawn? If so, should I dig each one up and fill in with grass seed, fertilizer and dirt?

Mid-March to early April, just before growth begins, is the best time to prune fruit trees. At this time, winter damage to fresh cuts is reduced and sealing of cut ...