[From the Spring issue of the UC IPM Retail Nursery & Garden Center News]

“I hate crabgrass!” is a common lament I've heard from residents during my 35 years as a UCCE Weed Science Farm Advisor. However, four out of five times, the weed people are actually referring to is not crabgrass, but bermudagrass or dallisgrass. So why does knowing the name of the weed matter? It doesn't—unless you are trying to control it!

Crabgrass

There are two annual weed species of crabgrass: large crabgrass and smooth crabgrass. Large crabgrass, sometimes...