Tree · Rosaceae
Yoshino Cherry
Prunus × yedoensis
Give a Yoshino cherry a home and you get clouds of white-to-pink spring blossom that turn your whole yard into a two-week celebration, year after year.
Full sun
Every 5–10 days
USDA 5–8
30–40 ft · 9.1–12.2 m
Overview
If you have ever admired the cherry blossoms that ring the Tidal Basin in Washington, you have already met the Yoshino cherry, and the good news is it is a welcoming tree for a first-timer. Each early spring it opens fragrant white to pale-pink flowers, often before the leaves appear, and for a couple of weeks the canopy looks like it was dipped in snow. Once the petals fall, small black drupes take their place, and the birds gladly clean those up through summer.
This is a hybrid cherry, Prunus x yedoensis, a member of the rose family that grows quickly into a broad, rounded tree of 30 to 40 feet. It is worth knowing up front that these are short-lived trees, usually good for about 15 to 20 years before borers and canker catch up, so try to see that as part of its charm rather than a failing on your part. Plenty of gardeners decide the yearly spring show more than earns its keep.
Give it a sunny, open spot with moist, well-drained soil and room to stretch out, and a Yoshino will mostly look after itself. You do not need a green thumb here, since it asks for very little once it settles in. After its short, spectacular burst of bloom it relaxes into a tidy green tree with a nice gold color come fall.
Care
The short version: give it full sun, deep soil that stays moist but drains well, and steady water when things get dry, and you are most of the way there. Prune only right after it flowers, leave it plenty of room, and keep the mower and trimmer away from its thin bark.
Light
For the fullest, most even bloom, settle your Yoshino into full sun. It will still get by in partial shade, but the flowering thins out and the tree tends to lean toward whatever light it can reach.
Water
Aim to keep the soil consistently moist, watering about every 5 to 10 days and a little more often during a heat wave. This tree copes well with heat and humidity, but its drought tolerance is poor, so try not to let it dry out through a long dry stretch.
Soil
Ordinary, medium-moisture, well-drained loam suits it beautifully, ideally a touch acidic to neutral at a pH of 6.0 to 7.0. It happily adapts to a wide range of soils as long as they drain well, since soggy roots are the one thing that invites rot.
Temperature
This is a tough, hardy tree that is right at home across USDA zones 5 to 8, taking the swing from -20°F to 100°F (-29°C to 38°C) in stride. The only tender moment is the early bloom, since a late frost can brown an open flower overnight, and that is nobody's fault when it happens.
Humidity
Everyday outdoor humidity is all it needs, so there is nothing to measure or fuss over. It shrugs off muggy summers happily, though a damp, crowded canopy can make leaf spot and canker a little easier to catch.
Feeding
Go easy on feeding. A balanced slow-release tree fertilizer in early spring only helps if growth has been poor, and a mature tree in decent soil usually needs nothing at all, which makes this one less thing to worry about.
Pruning
The kind move is to prune crossing or rubbing branches right after flowering, because cutting later removes next spring's buds. You can take out dead or diseased wood any time, cutting 4 to 8 inches below any black knot swellings, and scrape off tent caterpillar egg masses in winter.
Repotting
Since this is a landscape tree rather than a container plant, there is no repotting to think about. If a young tree has sat a while in its nursery pot, just check for circling or girdling roots and gently tease them loose before you plant.
Size & spacing
A Yoshino grows quickly to about 30 to 40 feet (9 to 12 meters) tall, with a spread to match, so give it wide, open ground from the start. Plant it well clear of buildings, walkways, and other trees so the rounded crown has all the room it needs to fill out.
When to plant
The easiest time to plant a Yoshino is while it is dormant, in early spring or fall, so its roots can settle in before it has to hold a full head of leaves. Your patience pays off early in the year, when fragrant white-to-pink flowers cover the bare branches through March or April, followed by small black drupes in summer.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: Plant balled-and-burlapped or container trees in early spring or fall while dormant.
- Harvest: Fragrant white to pale-pink flowers in early spring (March-April) before or with emerging leaves; small black drupes follow in summer.
Hardiness
USDA hardiness zones: 5–8
Temperature: down to -29°C
Troubleshooting
Most Yoshino troubles turn up on the bark, the twigs, or the leaves, and the quieter ones work slowly out of sight, so do not worry if you have not spotted them yet. Once you learn to read the early signs, you can catch a problem and cut it out before it spreads, and most issues are very recoverable when caught in time. Find the picture below that matches yours, then act while it still does some good.
Sawdust, gummy ooze, and small holes low on the trunk
This one is borers, tunneling into the trunk and limbs and leaving frass and gummy ooze near the soil line as branches slowly die back. There is no quick spray to reach for, so the kindest and most effective defense is simply a vigorous tree that can wall the grubs off on its own. Keep mowers and string trimmers away from the bark, mulch under the canopy, and water through dry spells, while accepting gently that these cherries are naturally short-lived at about 15 to 20 years.
Fix:
- Keep trees vigorous so they can resist and wall off borers
- Protect bark from mowers and string trimmers with mulch
- Follow extension timing for borer management on confirmed infestations
Sunken, weeping cankers while branches die back
Those weeping, gummy sores are the work of brown rot and canker fungi, which also spoil the little fruit and blight the twigs, and the good news is you can turn this around. Cut the infected wood out well below each canker, and wipe your tools with disinfectant between cuts so you are not carrying it along. Then rake up the mummified fruit and fallen debris, and the spores have nowhere to spend the winter.
Fix:
- Prune out and destroy infected wood well below the canker, disinfecting tools between cuts
- Remove mummified fruit and fallen debris to reduce inoculum
- Improve air circulation and avoid wetting foliage when watering
Hard black knots forming along twigs and branches
This is black knot, a fungus of cherries and plums that pushes up rough, coal-black swellings, and it is easiest to see in winter once the leaves have dropped. Prune the knots out in late winter before growth starts, cutting at least 4 to 8 inches below each one, then burn or bury whatever you take off. It also helps to remove any wild cherry or plum nearby, since they quietly feed the disease back into your tree.
Fix:
- Prune out knots in late winter before growth starts, cutting at least 4-8 inches below each knot
- Destroy pruned material by burning or burying
- Disinfect pruning tools between cuts
Silk tents in the branch forks and nibbled leaves
Those webby nests are Eastern tent caterpillars in spring, while Japanese beetles lace the leaves in summer and aphids or scale leave a sticky honeydew and black sooty mold behind. Tear the tents and egg masses out by hand and drop the beetles into soapy water, and you will have the upper hand. Take heart, too, since a healthy, well-watered tree shrugs most of this off, the damage being mostly cosmetic.
Fix:
- Remove and destroy tent caterpillar tents and egg masses by hand
- Hand-pick Japanese beetles into soapy water
- Wash off aphids or treat heavy scale/aphid infestations per extension guidance
Toxicity
Here is the one part to take seriously: the flowers are lovely to enjoy, but the rest of this tree is genuinely dangerous. The leaves, twigs, bark, and seed pits carry cyanogenic glycosides that release cyanide, and the risk climbs once leaves wilt after a pruning cut, a storm, or a frost. The safe habit is simple and easy to keep, so gather clippings and fallen debris away from pets, horses, and livestock, and make sure no one is tempted to nibble the bitter fruit or its pits.
Toxic to
Cats · Dogs · Horses · Rabbits · Livestock · Birds · People
Cats Toxic
If a cat chews the wilted leaves, twigs, or seed pits, watch for brick-red gums, wide pupils, and labored, panting breaths. Cases are uncommon, but cyanide acts fast, so treat any breathing trouble as an emergency and do not wait to see if it passes.
Dogs Toxic
A dog that gnaws fallen twigs or cracks the pits faces the very same cyanide risk. Keep an eye out for heavy drooling, bright-red gums, dilated pupils, and sudden distress, and get to a vet straight away if you see them.
Horses Severe
Horses are the ones in real danger here. Wilted leaves from a pruned or storm-downed branch can be rapidly fatal, bringing on bright-red membranes, fast breathing, weakness, and collapse within minutes, so keep them nowhere near it.
Rabbits Toxic
The foliage, twigs, and pits carry those same cyanide-releasing compounds, so none of it belongs near a rabbit. The simplest kindness is to keep all clippings and fallen debris well out of reach.
Livestock Severe
Cattle, sheep, and goats are especially vulnerable to wilted cherry leaves, which can be fatal within 15 to 20 minutes. Look for slobbering, rapid breathing, a weak pulse, bright-red membranes, and convulsions, and as a firm rule, never toss prunings into a pasture.
Birds Caution
Wild birds happily eat the ripe black drupes and pass the hard pits whole without harm, and that is exactly how the tree spreads its seed. The pits and foliage stay off-limits, though, since a cracked seed releases cyanide.
People Caution
Remember this is an ornamental tree, not a fruit crop. The bitter little drupes are not worth eating, and the leaves, twigs, and seed pits hold cyanogenic compounds, so gently keep curious children from chewing on any part of it.
Do not leave pruned or storm-downed branches where livestock or horses can browse the wilting leaves; keep fallen twigs and fruit pits away from pets.
Helpline numbers
United States
ASPCA Animal Poison Control: (888) 426-4435 (fee applies)
Poison Control: (800) 222-1222
Canada
Poison Centres: 1-844-764-7669
Varieties
Yoshino shows up in a handful of named forms, and a couple of the trees you will often see sold right beside it are really close cousins rather than true Yoshinos.
'Akebono' (Daybreak)
Think of 'Akebono' as the pinker face of the Yoshino, opening a soft pink and easing toward white, where the straight species stays closer to pure white.
'Snow Fountains' (weeping Higan cherry, Prunus 'Snofozam')
For all the company it keeps, 'Snow Fountains' is really a weeping Higan-type cherry rather than a true Yoshino, letting its branches spill down into a fountain of white spring flowers.
Kwanzan (Prunus 'Kanzan')
Kwanzan is a related Japanese flowering cherry that swaps Yoshino's single white-to-pink blooms for showy double pink flowers, each one packed with 20 to 30 petals.
How to propagate
Because Yoshino is a hybrid that will not come true from seed, every tree is a clone of another, which is why propagation is usually left to the nurseries and nothing you need to take on yourself.
GraftingDemanding
Late winter to early spring (bench grafting) or summer (budding) · 1-2 seasons to a sellable grafted tree
Because Yoshino is a hybrid, its seed will not come true, so growers clone it instead. The usual route is grafting or budding onto cherry rootstock, done by bench grafting in late winter to early spring or by budding in summer, and it takes 1 to 2 seasons to build a tree ready to sell. This is demanding work, so there is no shame in leaving it to a nursery.
Stem cuttingsDemanding
Early summer (softwood) · Several weeks to root, then 1-2 seasons to establish
You can also have a go at softwood cuttings taken in early summer and rooted under mist with a rooting hormone. They take several weeks to root and another 1 to 2 seasons to settle in, and since they are far less reliable than grafting, few growers lean on them.
Myths
The little black cherries make a tasty snack.
Birds do love the small black drupes, but for people they are bitter and essentially inedible. The seeds inside carry the same cyanogenic compounds as the rest of the tree, so it is best to enjoy this one as an ornamental rather than a fruit crop.
Fresh green leaves are every bit as poisonous as the rest of the tree.
Green, undamaged leaves still on the tree are actually fairly low risk. The real trouble starts once leaves wilt or get damaged, whether from a storm-broken limb, a fresh pruning cut, or a hard frost, since that is the moment cyanide levels spike and horses and livestock are at risk.