Ticks and other insects are of no concern when using pine straw as mulch. It is very effective at controlling weeds and it is fire retardant in spite of the dry look. You get less weeds with pine straw compared to rock. If you use a long term weed control like something that says "Weed Preventer", it may begin to have an effect on your permanent plants because the active ingredients remain in the soil and get absorbed by ALL the plants. Pine straw should be enhanced every year with a new layer. If there is concern about possible mold allergies, the older pine straw should be removed and bagged before putting down a new layer. -J.Mahoney/Master Gardener/UFAS
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