Pine Bark - Knowledgebase Question

springhill, Fl
Question by mcoledad
October 7, 2009
Is pine bark in bags acidic or is it good for compost and water retainer for oleander/azalia/roses

Answer from NGA
October 7, 2009


Pine Bark Mulch makes a good material for spreading over the top of your soil to help suppress weeds. As it breaks down (decomposes) it will release acidifying agents into the soil, which is good for azaleas. If you mix it into the soil it will take a long time to break down and as it does, the soil level will sink. That's okay for annual beds but if you plant shrubs such as oleanders, azaleas and roses, they will eventually sink and will need to be dug and reset a few years down the line. If you want to improve your soil, use smaller particle sizes such as you'll find in screened compost or peat moss. Improving garden soil is a process that takes several years. Spreading several inches of compost or aged manure over the top of the bed and digging it in every year will eventually result in rich garden loam. Hope this answers your question!

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