Wild Blueberries – Forager | Chef

Blueberries are one of the easiest wild fruits to harvest with the largest yield and something I look forward to every year like a holiday. Most people think of Maine when they think of blueberry foraging, but Minnesota and Wisconsin have epic patches too.

Cultivated highbush blueberries (Vaccinium corymbosum) are the large berries farmed and sold to grocery stores. Those also grow wild, but lowbush varieties will be what most foragers look for.

There’s many species of lowbush blueberries. The common wild ones are Vaccinium angustifolium, but where I live we also have V. myrtilloides, the velvetleaf or Canadian blueberry. V. myrtilloides has darker fruit than angustifolium, and a slightly darker hue to its leaves.

How to Identify Wild Blueberries

Below: Close ups of the alternate leaves and fine serration of the leaf margin.

Below: Each fruit has a calyx, or star-shaped, crown opening on the end with five pointed lobes. Berries are dark blue to nearly black when ripe.


Blueberries are just one of a number of edible berries in the genus Vaccinium that share a resemblance to blueberries: huckleberries, bilberries, and deerberries are all vacciniums. Serviceberries are often nearby too.

I think the plant most likely to be mistaken for a blueberry is the sand cherry, which can grow directly beside them and can crack teeth if mixed in.

Below: Sand cherries (Prunus pumila) may grow intermingled with blueberries.

Some look alikes can be poisonous, If you haven’t picked blueberries before, be familiar with nightshades (belladonna), pokeweed seeds, and especially Virginia creeper berries-a mistake a friend of mine almost made this week.

Above: Virginia creeper berries have red stems and lack the 5-pointed calyx of blueberries.

When Do Wild Blueberries Ripen?

Blueberries ripen unevenly on the plant and each year is different, but similar.

Depending on if you pick by hand or with a rake, wild blueberry season can potentially be a month or longer, roughly July 4-Aug 4. If you pick by hand, you can pick around any unripe blueberries, so the harvesting window is longer.

If you harvest with a rake, you want the least amount of unripe berries on the plants as possible. Harvesting with a rake, wild blueberry season is dependably the last week of July-through the first week of August for me.

Where To Find Wild Blueberries

Blueberries are a fire-adapted plant. While you can find them in the woods, the most epic harvests will be in recently burned and logged woods, open barrens and young forests that don’t give much shade.

Below: skeletons of burned trees, now surrounded by acres of wild blueberries.

Poor soil is key, and I look for areas that are well drained without mature trees, although large clearings can work.

Above: the pine barrens of Northern Wisconsin.

Companion Plants

One of the best parts of the harvest is checking on the other edible plants you can harvest a week or two after the berries. I usually smell the sweet fern when I open my car, and I can often find all of the following wild foods within a stones throw of where my wild blueberries grow:

Below: Gather pin cherries, chokecherries and sand cherries at the end of blueberry season in the same areas.

Pin cherry, chokecherry and sand cherry.

Harvesting / Picking Wild Blueberries

There’s two options: harvesting by hand, and harvesting with a blueberry rake. There’s nothing wrong with picking by hand, but if you’re serious about using wild blueberries as a food source I recommend a rake.

I know a family that might call 60 gallons (~300 lbs) a good year. When they get that many, they might make a real delicacy: wild blueberry juice.

Picking Blueberries By Hand

Harvesting by hand is the most romantic and least efficient way to harvest the fruit. One benefit to harvesting by hand is that you have a wider window for gathering. Some people would call hand-picking a quart an hour a decent haul.

With a Blueberry Rake

Using a blueberry rake is the most efficient way to harvest. In a good patch, on a good year, I can harvest at least 10-15 lbs an hour, compared to a 1-1.5 lbs by hand.

The tradeoff to raking is you’ll have some bruised berries and the fruit needs to be winnowed to remove any twigs and debris before storing.

Below: berries before winnowing to remove stems and leaves.

There’s no need to wash wild blueberries and it can ruin them by washing away their flavor, especially if they’ve been harvested with a rake.

Below: blueberries after winnowing.

How to Winnow Blueberries

If you use a rake, you’ll need to remove twigs and leaves by winnowing. You’ll need a box fan and two large mixing bowls.

Turn the fan on and slowly drop the berries from one bowl into the other. As they fall, the leaves will be blown away, leaving the berries behind.

Below: winnowing away twigs and leaves, and removing unripe berries.

It’s important to winnow the fruit soon after harvesting so the leaves don’t stick to the berries. I also demonstrate this in the video.

Pro Tips

Below: polycarbonate food containers are durable and great for carrying around the blueberry patch.

Wild Blueberry Recipes

You can use wild blueberries anywhere that you’d use regular ones, as in muffins, cakes, pies, and smoothies. Besides by the handful, my favorite things to make are below.

Blueberry and Hazelnut Upside-Down Cake

A blueberry cake with a moist, fudgy texture from hazelnut meal. I developed this for Daniel Vitalis’s Wild Fed show on the Outdoor channel.

Inspired by ingredients of the pine barrens, we filmed this for episode 4 of my show Field Forest Feast.

A classic, all-American pie filled to bursting with blueberries. You’ll need at least 6 cups of fruit.

A timeless way to preserve fruit with little to no added sugar. You can make it with scraps leftover from juicing, or add serviceberries.

An Eastern European treatment for mulberries where the juice is reduced to syrup. You’ll need at least a gallon of blueberries to make a small batch.

Fresh wild blueberries will last for a week or longer in the refrigerator if stored with care. For the longest shelf life, store them in a hard-sided container with a tight-fitting lid.

I freeze blueberries using the IQF freezing method restaurants and industrial producers use. To do that, freeze the berries on single layers on cookie sheets in the freezer.

Below: frozen wild blueberries ready to be portioned.

When the berries are frozen, transfer them to 1-cup snack-size zip loc bags or whatever portion you like and refreeze, pulling from the freezer as needed.

Blueberries can be dehydrated without sugar to use as rehydrated berries, eat-as is, or ground to a powder and added to smoothies, baked goods and desserts like my wild fruit truffles below.

To dehydrate wild blueberries, put them whole in a dehydrator and dry on medium-high heat (125 F) for 2-3 days or until completely bone dry. They can be stored in a jar at room temperature for years.

Wild Blueberries vs Cultivated Blueberries

Cultivated varieties are larger, but can be bland and may be picked unripe before transport. Wild fruit are smaller, but are often superior in flavor, picked at the peak of ripeness.

The popular Wyman’s brand do not taste like truly wild fruit to me. They’re often watery and bland-better with maple syrup. Sam Thayer mentioned the difference in flavor could be due to the companies management practices, or lack of a standardization between suppliers. I see a similar phenomenon in Bison meat sourced from groups of farms vs a single farm.

According to Blueberries, wild blueberries have 2x the antioxidants of cultivated blueberries, and provide more fiber as more berries are eaten by weight. They also claim wild blueberries have 33% more anthocyanins, a key compound in many darkly pigmented fruits that can be increased by sunlight.

This content was originally published here.

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