The Q&A Archives: Eliminating Crocus from Lawn

Question: This spring we discovered Crocus sprouting up and blooming all throughout the lawn of our new home. Other than digging up spots in the lawn, what is the best way to get rid of these? I tried spot spraying with weed killer, but this did not seem to do the trick.

Answer: Wow, that sounds like a bonus to me! If you really want to get rid of them, you're facing a big challenge. Because crocus grow from bulbs buried deeply in the soil, you won't be able to eliminate the plants with herbicides. Herbicides may kill the top leaves, but it won't affect the bulbs that are several inches below the soil surface. You'll have to dig the bulbs to completely eliminate them from the lawn area.

Since crocus bloom for such a short time, why not leave them and just mow the tops down when you mow the lawn? Also, if you mow the tops frequently, eventually the bulbs will "starve" and cease to grow.

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