Pine needles and gutters are a frustrating combination. If you live in a home near any conifer tree that drops pine needles, you’ve got different problems than a home that’s near deciduous, or leaf-dropping, trees. Here are six facts to know about your gutters when they collect pine needles.
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Pine needle loss is seasonal.
According to Christine Engelbrecht, Plant Pathologist at Iowa State University, every fall she gets flooded with calls from distraught tree-lovers. “My pine tree has looked great all summer, and now it’s dying! What’s wrong?” Many of the inner needles have turned yellow or brown and are falling off, often alarmingly. She notes that while most conifers do stay green all year, evergreens don’t keep all their needles all the time. When deciduous trees lose their leaves, most evergreens also drop needles – but not all of them. Each year in the fall, it loses the oldest needles (those closest to the trunk). This normal phenomenon is called seasonal needle loss or fall needle drop. Different conifer trees also have their own needle dropping cycles. Eastern White Pines can drop needles ever 1.5-2 years, for example whereas their Western White Pine counterparts drop needles every 2-3 years for example).
Pine needles that blanket a roof are not likely to blow away.
When needles drop at an alarming rate, they can often coat a roof. The lower the pitch, the more difficult it is for them to be blown away in a stiff wind. This means pine needles are more likely to be pushed down the roof by rain at practically a glacial pace. They’ll also have nowhere else to go but into your gutters.
It only takes a few pine needles to knit over a downspout to cause a clog.
If water flushes debris towards a downspout, it’s likely pine needles can build up over the downspout opening. As we’ve mentioned in a prior post, the opening is likely much smaller than the downspout itself. At the very least, consider installing a gutter outlet that’s larger than the downspout itself to help flush pine needles out of the gutter.
Pine needles are small and can get through most gutter guards.
It isn’t hard for pine needles to get through every screen on the market. The holes in their surface are just too big to keep them from dropping through and into the gutter. Solid cover curved systems fare only a little better: Debris becomes pliable once wet and will follow water around the curve and into the gutter below.
Micro mesh gutter guards that can be pitched with the roofline offer the best protection.
Any gutter guard that sits virtually flat over the gutter will create a shelf that will trap debris. This includes products like sponges or perforated metal products. While they may not let a lot of debris in, they create the perfect place for pine needles to start to break down and create a humus mulch–not something that you want on top of your gutter.
Evergreen trees often mean lots of shade, which can create a great place for moss, lichen, and algae to grow.
Keep your roof regularly cleaned to preserve it and your gutters. Installing copper strips will help to keep these organisms from returning better than zinc strips. You can also find that copper right inside MasterShield’s unique copper interlaced gutter filter where it can work to kill the spores that cause these organisms to grow.
With the right TLC, you can enjoy all the beauty that your evergreen affords your property and keep your gutters in tip-top working order at the same time.
Perhaps it’s time to consider the best gutter guards for pine needles and put the chore of cleaning them out of your gutters for good.