Canada thistle has emerged from below-ground rootstocks and is growing rapidly all over the state. Some nutsedge emergence has also been observed. Many winter annuals and overwintered perennials are in flower. Inclusion of a postemergence herbicide in most cases necessitates making a directed application, and may limit the species of plants that can be sprayed. Fruit Thinning on Landscape Ornamentals.
Carbaryl insecticide is labeled for fruit thinning.
The label recommends spraying between 10 and 25 days after full bloom. Use caution to avoid use when bees are active. Planting Fruit Trees. Roots of those fruit trees will have a head start before any severe drought occurs. However, fruit trees can be planted as late as May 15 if they receive sufficient watering or rainfall.