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Onion mulching?

Posted by calm1 6 (My Page) on
Sun, Sep 19, 10 at 13:40

I've been told not to mulch onions. We mulch the rest of the garden very heavy. Problem is our onions always get over run with grass & weeds. What about using this 1" thick cardboard that I have & drill 4" holes thru it with a hole saw, then plant in the holes?

Follow-Up Postings:

RE: Onion mulching?

you shouldn't mulch onions as you would garlic since onions will have a hard time emerging through the mulch. however after the onions emerge there should be no problem with mulching them. i never have used cardboard so i don't know about that. i use straw. i guess if you use cardboard as one would use plastic mulch then there is nothing blocking the emergence of the plant.

RE: Onion mulching?

I always mulch mine after transplant. Mulch is more about moisture retention than weed prevention for me though.

RE: Onion mulching?

Can l use sowdust

RE: Onion mulching?

I always mulch onions after the leaves get maybe three inches long since weeding is a PITA, using whatever mulch can be turned in later. Grass clippings,shredded leaves, straw shorts,etc. Suppose sawdust could be used, but I never want that much carbon in the soil.

RE: Onion mulching?

Nanyuki I would not mulch with new sawdust as it will take nitrogen from the soil that your onions need.Old rotten saw dust would be O K. Good gardening to ya YOPPER

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