Define old maid. old maid synonyms, old maid pronunciation, old maid translation, English dictionary definition of old maid. n. 1. Offensive Used as a disparaging term for a woman who is no longer young and has not married. 2. Informal A person regarded as being primly fastidious....
Applying fertilizers too early to warm season lawns can increase the risk of cold injury and disease problems. To be effective, pre-emergent products must be applied before seeds of summer weeds sprout, which usually happens around the time dogwoods begin to bloom.
How Pre-Emergent Herbicide Works To get a better idea of how pre-emergent works, let's look at 3 key principles of pre-emergent weed control. Principle #1: Pre-emergent herbicides are designed to control germinating weed seeds.