Product Q&A

Answer:

You should not use Prime Source Meso 4SC on your St. Augustine home lawn. This product can be used at reduced rates (no more than 4 oz per Acre) on St. Augustine that is grown for sod only, unfortunately. Your only real option in a residential area would be to use a non-selective herbicide such as Killzall or another non-selective herbicide to spot treat the Nimblewill to kill it directly, and then replant St. Augustine in those areas. For crabgrass, you can use Atrazine or Blindside to suppress the crabgrass, and Dimension as a pre-emergent for it in the spring.

Answer last updated on: 10/22/2019

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