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Tuesday, June 13, 2023

FORAGING WILD BLACK CHERRY (PRUNUS SEROTINA)

 Original Article


Wild Black cherry (Prunus serotina) are absolutely delicious, and one of the best wild fruits available anywhere.  They taste more or less exactly like cultivated sweet cherries (though they’re smaller), and can be harvested over a wide range in the US.

Foraging Wild Black Cherry

Wild Black Cherry Fruit

Wild black cherry is a choice edible wild fruit that’s sweet and delicious, with no hints of the bitterness you’ll find in chokecherries or tart flavor in pin cherries.  Honestly, they’re not all that different than cultivated sweet cherries in flavor, with that deep, rich red-wine-like complexity you’ll find in a perfectly ripe bing cherry.

It’s sometimes referred to as “chokecherries’ better cousin” because the fruit look quite similar, but black cherry has a number of characteristics that just make it better (at least to human tastes).

  • Black cherries are sweeter, without the astringency that gives chokecherries their name
  • Black cherries are freestone, meaning they don’t cling tightly to the pit like chokecherries
  • Black cherries grow on large trees that produce huge crops, they can literally be harvested by the bucket full

The main downside of black cherries, however, is they do in fact grow on full-sized trees.  While you can watch a full tree come into flower in the spring, with the promise of gallons of fruit later, often the fruits are high up in the canopy where they’re picked off by birds just as they ripen.

At least, that’s what happens in the forest usually.  In edge areas, the trees tend to stay shorter, and develop multiple trunks.  If you search along the edge of the woods where deer aggressively browse, or near hayfields where mowers might clip the trees a few years just as they’re getting started, you’re likely to find black cherry trees perfect for human harvesters.

The fruits of wild black cherry trees are smaller than cultivated cherries, but what they lack in size they make up for in flavor.  They’re well worth the effort!

Black Cherry Fruit

A single wild black cherry fruit.

BLACK CHERRY RANGE

Wild black cherry can be found all along the East Coast of the US, into southern Canada and south as far as Central Florida.  They range west into the Central US, reaching into East Texas and just past the great lakes.

There are isolated pockets in the southwest and down into Mexico.  This covers their main concentrations, and there are likely stands other places as they’re quite adaptable and easily spread by birds.

Prunus serotina range map

Wild Black Cherry (Prunus serotina) range map

IDENTIFYING WILD BLACK CHERRY

Wild black cherry trees can vary in shape and growth habits, depending on how they’re treated when young.  If cut off repeatedly (be deer or mowers at the edge of a field) they’ll stay relatively short and bushy, with multiple trunks. If allowed to grow freely, they’ll become tall straight trees with thick shaggy trunks.

Though they’re beautiful stately trees when tall, it’s almost impossible to harvest fruits from the high canopy.  Those black cherry trees will be food for the birds.

Those with coppiced trunks at the edges of fields will fruit when branches are still low to the ground, as they’re the same age as the larger ones, just with multiple smaller trunks and easy-to-reach branches.

Wild Black Cherry Tree Growth Habit

Wild black cherry trees with two different growth habits. At left, these trees were protected when young and grew into tall trees with thick shaggy trunks. At right, this one was repeatedly mowed by cemetery groundskeepers, until it was finally allowed to grow, but it developed many trunks and a more bushy habit.  The one at right will be a lot easier for humans to harvest fruit.

BLACK CHERRY BARK

As black cherry trees age, their distinctive bark changes as well.  When young, the bark is lenticular or has horizontal stripes that look like tiny scars.  That’s quite similar to other wild cherry species, namely chokecherry.

Chokecherry will keep this bark forever, as it never really grows out of its busy size and shape.  Black cherry, on the other hand, will eventually develop plated shaggy bark.

You can see the progression in bark color and texture below, with the youngest tree at the top left and the oldest at the bottom right, just as it’s fully transitioned to shaggy mature bark (though the tree is still relatively small).

Black Cherry Bark at Various Ages

Wild black cherry tree bark at four different stages of development. At the top right, it’s very young and still has some white coloration. The top right is when it looks most like chokecherry and is largely indistinguishable. The bottom right is a great picture of the transition, as the bark is changing from the ground up, and it has both mature bark below and chokecherry-like bark above. Finally, at the bottom right, it’s almost completely transitioned.

Black cherry trees are easy to find in a mature forest, even when you can’t see their tops and leaves.  Just look for their shaggy plated bark and you’ll easily be able to find their trunks.

Sadly though, that doesn’t often help you actually harvest black cherries.  Usually, when their trunks look like this they’ll be huge trees, with their lowest cherries more than 50 feet up in the air.

Mature Black Cherry Bark

My daughter’s toddler hand is on a mature black cherry tree that’s maybe 8 to 10” in diameter. They’ll get a lot larger than that, but this is the smallest they are usually when they have fully mature bark. This one’s so tall the leaves cannot be seen in the canopy, but you know it’s a black cherry tree.

I’ve seen people collect wild black cherries from under these stately trees, as they drop to the ground.  The Townsends actually have a video of them harvesting them from the ground under centuries-old black cherry trees.

Honestly, I’ve never seen black cherry fruit hit the ground (and I’ve been looking for a decade).  The birds snap these tasty little fruits up quick, and at least here in the North, they’re determined enough to never let them fall. 

(The Townsends are in the south, so maybe the trees make more fruit or the birds are distracted by other things.)

If I want to harvest wild black cherry, I look for trees near the edges of hayfields or right at the edge of the woods, where they’ve been mowed a few times when young (or trimmed off by deer).  This treatment when young means they develop multiple trunks and a more bush habit, so they’ll fruit closer to the ground.

Two Ages of Black Cherry Bark

These two wild black cherry trees are probably about the same age, but the one at right still has the younger bark type. It’s still fruiting because it’s “mature” and it’s a lot easier to harvest its fruit from branches near the ground.

BLACK CHERRY LEAVES

The leaves of black cherry trees have that typical stone fruit shape, and they look a lot like cultivated cherries (or peaches, plums, etc).  They’re long and narrow, with a central vein and mildly serrated edges.

They look a lot like other wild cherry species too, namely pin cherry and chokecherry.

wild black cherry leaves

wild black cherry leaves

In general, chokecherry leaves are a bit wider and shorter.  They look more rounded and less long.

That’s not a hard and fast rule though, as I’ve seen considerable variation in different wild black cherries and chokecherries.  Each one has a slight difference, and some black cherry leaves are shorter, while some chokecherry leaves are longer.

Still, in general, that’s true, but not a sure-fire way to tell if you’ve got one versus the other.

Wild Black cherry leaf (left) and Chokecherry leaf (right)

Wild Black cherry leaf (left) and Chokecherry leaf (right)

WILD BLACK CHERRY FLOWERS

Black cherries flower in racemes or flower spikes, unlike cultivated cherries which put out flowers individually.  That’s the easiest way to tell these from pin cherries, which bloom in clusters.

Unfortunately, chokecherries also put out flowers in racemes, and the flowers look quite similar.  Generally, though, chokecherries flower about 2 weeks earlier than black cherries, and they flower on very small shrubs.  I’ve seen 6” tall chokecherries actually send out a flower spike, though they’re usually more like 4′ to 6′ bushes.

Black cherries generally don’t flower until they’re 15′ to 20′ tall (if coppiced and multi-trunked) or over 40 feet if a single-trunked forest tree.

I cant seem to find my black cherry flower pictures, but I’ll take a few this season and add them in.  They really are stunning, and fragrant.

BLACK CHERRY FRUIT

The fruit of wild black cherries is truly exceptional, and it ripens with a  sweet, deep flavor that’s very much like cultivated bing cherries.  They’re smaller, of course, but no less flavorful.

Though the fruit grow on racemes coming from one central flower cluster, they ripen individually.  This is because they’re largely picked off by birds up in the canopy, so there’s no incentive to ripen together.

Ripening Black Cherry

Wild black cherry ripening individually, and you can see many have already been picked off the cluster.

Chokecherries, on the other hand, are harvested by mammals in clusters (raccoons, bears, etc).  They pull the whole raceme of fruit when ripe and stuff it into their mouth whole. 

Those have an incentive to ripen together, so they do.

Below I’m holding a cluster of just barely ripe chokecherries (and a leaf) up next to wild black cherries still ripening on the tree.  Chokecherries generally flower about 2 weeks earlier, and ripen a few weeks earlier too, all together in clusters.

That’s not universally true, as they ripen over a long season, often lasting 2 months or more.  But still, the first chokecherries will ripen before the first black cherries, and often chokecherries are completely done and gone before you get a black cherry crop.

Chokecherry and Black Cherry

Ripe chokecherry in my hand at left, and unripe black cherry on the tree at right.

One thing I particularly love about wild black cherries, besides the fact that they’re sweet without any of the astringency of chokecherries, is that they’re freestone.

Chokecherries have flesh that clings to the seed and traditionally they were eaten with the seed since separating them is really quite tricky.  They were pounded into chokecherry cakes to dry in the sun, and the sun denatured the toxins in the pits.

Black cherries, on the other hand, do not have such a tradition because their fruit is naturally separate from the pit.  Though, it is still a very thin layer around a relatively large pit.

Black Cherry Fruit Interior

A wild black cherry fruit bit in half to show that it’s freestone.

WHAT’S THE DIFFERENCE BETWEEN BLACK CHERRY AND CHOKE CHERRY?

So after all that, how do you tell the difference between black cherry and chokecherry?

They are both edible wild fruits, but it can be nice to distinguish between the two since their flavor, harvest and uses are somewhat different.

Here are some general differences:

  • Chokecherries fruit as bushes, usually fruiting and flowering between 4 and 10 feet tall.  Black cherries are trees, and fruit when at least 12 ft tall (if multi-trunked) or much taller if single-trunked.
  • Chokecherries have rounded leaves with less of a point at the end, while black cherries have a long narrow leaf with a distinct point.
  • Chokecherries flower and fruit a few weeks earlier.
  • Chokecherries ripen in clusters, while black cherries grow in clusters but then ripen individually.
  • Chokecherries are clingstone, while black cherries are freestone.
  • Chokecherries have a pronounced astringency, while black cherries are just sweet with a deep wine-like cherry flavor.

That’s all a bit variable though, and some chokecherries are sweeter than others.  Some have longer leaves, and some fruit earlier and later.  That’s the trick with wild fruit, they’re wild and they can do what they want.

There is one sure-fire way to tell them apart though, and that’s the tiny bract on the fruit.  Chokecherries have fruits that attach simply to the stem, like cultivated cherries.

Black cherries, on the other hand, have a star-shaped bract at the fruit attachment site.

Chokecherry and Black Cherry Bracts

A cluster of ripe chokecherries, held next to a single unripe black cherry. Note the 5 pointed star-shaped bract where the black cherry attaches to the stem.

This 5 pointed star-shaped bract is present at all stages of the development of the fruit, so you can ID a black cherry anytime it’s in fruit.

At least as long as the fruit are attached to the stem.

The bract will naturally fall away after they’re picked, which is nice since it makes them easier to eat, but also makes it hard to know what you’ve got if you’ve picked a basket of fruit.  The fact that black cherry’s ripening time only barely overlaps with the last chokecherries helps a bit, but they still do overlap.

Below I’m holding a ripe black cherry and ripe chokecherry together, so you can see the bract.  In the second picture, the bract has come free and is just on my hand.

Black Cherry and Chokecherry Fruit

Black Cherry and Chokecherry Fruit. At left, the chokecherry is above without a bract, and then the black cherry is at below at front. In the picture on the right, the bract is removed from the black cherry and is just on my hand so you can see the to better. That picture has a single chokecherry sandwiched between two black cherry with bracts removed.

WILD BLACK CHERRY LOOK-ALIKES

In general, wild black cherries are a safe choice for beginning foragers because they don’t really have any close look likes (besides chokecherry, which are also edible).

That said, I’ve seen people optimistically misidentify all manner of wild fruits, really anything even vaguely the same color and shape no matter where it’s growing.

Black cherries do superficially resemble other wild edible fruits, namely:

  • Pin Cherries – The trees are similar, though pin cherries are short-lived and fruit young.  The fruits are born individually and ripen to a bright red in early summer (months earlier than black cherry).  They’re also edible, though sour like cultivated pie cherries.
  • Aronia – Also called ChokeBERRY, I constantly see people misidentify these as ChokeCHERRY.  Given that chokecherry is a look-alike, I might as well mention these.  They grow on bushes, and flower/fruit in clusters (not racemes).  They do not have a large stonefruit seed inside, instead of several small seeds, and they have a puckered end that looks unfortunately like a butt.  They also grow on short bushes, not trees.

As for toxic black cherry look likes, I’ll call out buckthorn as a possible problem.  It has black fruit that ripens on a tree at about the same time, though they’re born individually close to the branches rather than on racemes. 

They also have multiple small seeds, rather than a single large one.  The leaves and trees look different, and buckthorn has many sharp thorns.  Still, the fruit is about the same size and shape and will cause some nasty stomach upset.

Toxic Buckthorn

Toxic buckthorn. Note the black fruit are attached directly to the branch, and they don’t grow on drooping racemes. Inside they also have multiple small seeds.

I’d also watch out for Canadian Moonseed, which is a vine but it climbs trees regularly.  It looks a lot more like wild grapes, with crescent moon-shaped seeds inside, but it might be technically possible to confuse them with black cherries if you really casually harvested clusters.

WILD BLACK CHERRY RECIPES

Once you’ve correctly identified wild black cherry, how do you use it?

Honestly, I just eat them out of hand in season, like any other cherry.  They’re delicious fresh and spitting the raw seeds out on the landscape helps ensure the next generation of this spectacular wild fruit.

Some people make them into wild cherry jelly, which is tasty too.  I make chokecherry jelly without pectin, and those have quite a bit more pectin than wild black cherries. 

If you do choose to make jelly from wild black cherries, I don’t suggest trying without pectin.  You’ll end up with a fruit syrup, which is delicious, but definitely not a jelly. 

I don’t have a specific wild black cherry recipe on the site, but you can use my grape jelly recipe.  Just extra the juice by simmering (as you would with grapes) and then strain out the seeds.  Your yield will be different obviously, so measure the juice and go from there.

Since they are freestone, you could, at least in theory make wild cherry jam…but that’s an act of real devotion.  You’d have to pit literally a bucket of them by hand to get enough pulp since the seeds are so big.

Black Cherries on the Stem

A pair of wild black cherry fruits hanging on the tree. The rest of the fruit in that cluster has already been picked off by birds as they ripen.

They really can be used anywhere you’d use cultivated cherries, provided you pit them.  Since that’s such a pain, I’d recommend using them where they’re either juiced or infused. 

Be aware that most “wild black cherry” recipes on the internet are actually just cherries, the wild is just added by marketing companies that think that a packaged hand pie, lollypop, or gumball will sell better that way.

Here are some recipes actually made with wild black cherries:

Beyond just using the berries, wild black cherry bark is medicinal and it’s traditionally been used as a cough remedy.  The process for making it is rather specific, but you can find details on how to make cherry bark cough syrup here, plus how to use it.

Wild Black Cherry Harvest

WILD FRUIT FORAGING GUIDES

Hoping to find more types of wild berries and fruit this season?

WILD FOOD LISTS

Not sure what else to look for in the wild?  Here are a few ideas:

Foraging Wild Black Cherry Prunus Serotina

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