Try to remove any pieces of plastic, metal, rubber, or any other.

May 29, So, even though I trust my Mainer friend, I wanted to dig a little deeper to find out why someone would put pine mulch around their blueberry plants. The first (and most prevalent) reason I found on the endless pipeline of info that is the Internet, was that the pine needles are an organic way to lower the pH (raise the acidity) of the bushmulching.barted Reading Time: 6 mins.

May 24, Cover the bare soil and watering system with a 4- to 6-inch layer of bark or pine mulch. For blueberries, the soil should be evenly moist without becoming waterlogged. Organic mulches, such. Jul 01, Apply pine needles evenly around the blueberry plants, allowing a 4 to 6 in deep layer bushmulching.bar mulch. Even though this may seem like a lot of mulch, it will flatten and begin to break down quickly.

You may be shocked to only find between 1 and 2 in of pine needles left within 2 months!Estimated Reading Time: 5 mins. May 01, Mulching Blueberry Bushes. Mulching with organic materials, such as pine bark, pine needles, leaves, hay, wood chips, sawdust or other organic materials is very beneficial for soil health.

Well-maintained mulch can help control weeds, and keep soil cool, loose and uniformly moist. So, pine needles can be used as mulch around blueberry shrubs, and they will help retain moisture around the roots, but the effect on soil pH will be small, unless you keep adding pine needles, every year, for years.

Blueberries will not thrive if they have to. Blueberries prefer acid soils with a pH level of about (soils with a pH of 7 or less is considered acidic). Pine straw spread around the base of blueberry plants helps them maintain a proper pH value as the mulch gradually decomposes.