Lingonberries

Ken Anderson

Greeter
Staff member
Many years ago, I planted a few lingonberry plants along one side of my driveway, and they have grown and spread to cover its length. I have, I think, five or six varieties of lingonberries, most of which produce two crops a year, and do great in Maine's climate. Since each variety has a slightly different harvest date, I never get enough of them at any one time to make lingonberry jam or anything, but from about mid-summer to fall, there are usually lingonberries available to pick and eat, and the plants stay green all winter, even under several feet of snow.

I am not going to go into detail about lingonberries in this first post, but they are a cold-weather crop. They prefer what might be considered poor soil for most other crops, and they thrive on being ignored. Unless there is a long period of hot, dry weather in the summer, it's not usually necessary - or even beneficial - to water them, and they don't want fertilizer. They grow best in a mixture of about 50:50 regular soil and peat moss, and I sprinkle more peat moss over and around them nearly every summer, since it breaks down over time.

My newer section of the patch is having a slight problem with grass growing among the lingonberry plants, not overwhelming them yet, but I don't want it to get worse. It was my fault. Since lingonberries root shallowly, when I started my first patch, I laid down a layer of cardboard over the existing grass, then added my soil/peat mixture on top. By the time the cardboard breaks down, the grass beneath it will be dead, and that works in that section. However, when I added a couple of plants to extend the patch, I used several layers of newspaper instead, but it broke down too quickly, so I have a problem with grass breaking through. That's what happens when you experiment: you learn that some things don't work as well as others.

I don't want to disturb the plants that are there, so I did some research and found that the type of grass that I am dealing with likes a higher pH than is ideal for lingonberries; so today, I added a bag of peat moss to the lingonberry patch, which itself lowers the pH slightly, and then added pine straw around and among the lingonberry plants, which will further lower the pH. In its natural habitat, Sweden, lingonberries do particularly well in clearings in pine forests.

I am sore right now because I spent hours today picking maple seeds out of the lingonberry patch, trimming off some of the dead branches from the lingonberry plants, since lingonberries fruit on new shoots, and then laying the peat moss and pine straw. That was a lot of bending, stretching, kneeling, and so on, which my body isn't too fond of, but it should help my lingonberries to compete with the grass.

I have a newer lingonberry patch on the south side of my property line in the back. Although the plants do not have to compete with grass there, they don't get ideal sunlight, so they haven't fruited yet, even though the plants look healthy. At some point, I'll add some pine straw to them as well, and I might look into trimming some trees to let in more daylight.
 
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My lingonberries did especially well this year, producing berries since sometime in August to about this time of the year, as there are still berries on the plants and a few blossoms. This is about the end of the season, though.
 
I have tried to get lingonberries with no luck. Last year I ordered two plants from Gurneys and one died. The other was non existant. I called and they said they would send replacements. I got neither plants nor refund. I don't think anyone around here knows what they are and I have the perfect place for some.
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I have tried to get lingonberries with no luck. Last year I ordered two plants from Gurneys and one died. The other was non existant. I called and they said they would send replacements. I got neither plants nor refund. I don't think anyone around here knows what they are and I have the perfect place for some.
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I've bought some of mine from Gurneys. Particularly when trying to get specific varieties of lingonberries, I have found that the nurseries often run out of them, but I have never received any that died.
 
The lingonberries in my main patch, the one that's producing, were started about 20 years ago. I bought, I think, eight plants of five different varieties of lingonberries, and set them about three feet apart, and couldn't begin to count the number of plants that are there now because they've all grown together into a solid patch that keeps trying to extend its boundaries. I have another patch that hasn't produced any berries yet, along the fence line on the south side of the house, which I started with five plants three years ago. I think it's a little too shaded in that part of the yard, so while the plants are apparently healthy, they haven't produced any berries yet. I didn't expect any in the first season and wasn't surprised to see none in the second season, but thought they should have produced this year. They have propagated a couple of new plants, though. Next spring, I'll add a few more plants, extending that patch all along the south side of the yard. Even without the berries, they are nice-looking plants.

The ones I have bought have come from a few different places because lingonberries need at least two different varieties to produce, and some nurseries don't even tell you which variety they are selling. I bought a couple of plants on Amazon, and they were healthy, too.
 
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