How to Manage Pests

UC Pest Management Guidelines

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Little mallow, Malva parviflora, seedling.

Celery

Special Weed Problems

(Reviewed 10/05, updated 10/05)

In this Guideline:

More about weeds in celery:

Most celery-growing regions are only confronted with annual broadleaves and grasses, and most of these, except little mallow, are effectively controlled with current weed management tools.

LITTLE MALLOW. Little mallow can be a problem if it is allowed to get too large (five to six leaves). The larger plants are only burned by chemicals and not controlled; they will need to be hand-hoed.

YELLOW NUTSEDGE. Some areas may have yellow nutsedge. This weed is best controlled with field selection, crop rotation, or mechanical methods. An alternative is to only grow celery in the winter months when the nutsedge is dormant.

PUBLICATION

UC IPM Pest Management Guidelines: Celery
UC ANR Publication 3439
Weeds
R. F. Smith, UC Cooperative Extension, Monterey County
Acknowledgment for contributions to Weeds:
C. E. Bell, UC Cooperative Extension, San Diego County
W. E. Bendixen, UC Cooperative Extension, Santa Barbara County
R. J. Mullen, UC Cooperative Extension, San Joaquin County

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