Nancy from Springfield, Oregon writes
We have clumps of crocus, daffodils,hiacynths, etc that come up each spring
Casoron 4G Herbicide is not labeled for use around bulbs or on turfgrasses. You can look at Snapshot for a pre-emergent herbicide that can be used at certain times around bulb plantings. Be sure to review the full product label for rates and timing around bulbs.
Answer last updated on: 09/25/2019