There is some interesting information on using pine bark for mulch. Properly placed organic mulch can benefit plants and soil in many ways. Mulch does a lot of good by insulating the soil and plants during the winter time. It also keeps soil moist in cool during the summer time.
Key Takeaways:
- Pine bark mulch, as the name suggests, is made from the shredded bark of pine trees.
- Pine bark mulch in gardens tends to last longer than most organic mulches, whether finely shredded or in nugget form.
- Pine bark mulch is especially beneficial to acid-loving garden plants. It also adds aluminum to the soil, promoting green, leafy growth.
“Pine bark mulch is especially beneficial to acid-loving garden plants.”
https://www.gardeningknowhow.com/garden-how-to/mulch/using-pine-bark-mulch.htm