How to Grow Mulberry — Care & Where to Buy

Mulberries rain down for eight-plus weeks in summer — a berry harvest measured in sheets spread under the branches, not in pints. Sweet enough fresh, deep enough for jam and wine, and so abundant the birds, the chickens, and the kids all eat free.

Tough as nails and very fast to 20-40 feet, a mulberry is self-fertile, thrives on neglect, and takes sun or part shade. Its one demand is placement: dark fruit stains, so plant it out past the driveway and the laundry line, near the chicken run if you have one.

Where to buy mulberry — 8 nurseries compared

Full Sun to Part Shade
Low water
Very Fast growth
Excellent edible
~400 winter chill

Mulberry — a print from the Plant Library collection

From the print shop

Growing mulberry? Hang it.

Our Plant Library collection carries mulberry — Morus alba, print Nº 316, “Mulberry.”

526 designsfrom $12.99white or black backgroundmatte poster, unframed

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Will it fruit where you are?

Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what mulberry actually needs.

Hardy inZones 4-9

Winter chill~400

PollinationSelf-fertile

Mulberry · Common problems

Common mulberry problems

Pests, diseases and weather to keep an eye on.

Pests

4 problems on file

Birds (but crops outproduce them)
Silkworms (rarely)
Fall Webworm
Spotted Wing Drosophila

Diseases

2 problems on file

Few — popcorn disease occasionally
Bacterial Leaf Scorch

Mulberry · Growing & propagation

Growing mulberry

Light, water, soil, propagation and the season’s jobs.

What it needsThe details

Light: Full Sun to Part Shade
Water: Low once established
Tough as nails
Soil: Adaptable to nearly anything · pH 5.5 - 7.0
Fertilizer: None needed.
Pruning: Winter
Minimal. Head back for picking height while young.
Spacing: 20-30 ft

How to plant & propagate mulberry

Propagate: Grafted, or from cuttings/layering
Seed won't come true

Mulberry · Harvest & keeping

What you get from mulberry

How long before it bears, how much it gives, how you know it is ready, and how long it keeps once picked.

Years to first harvest: 1 to 3 years
Typical yield: 7–11 lbs per tree

What you eat: Fruit
How to tell it is ready: Fruit turns dark red to purple-black and detaches easily
How long it keeps: 1-2 days fresh
Freeze or process

Mulberry · Seasonal care & spray guidance

The mulberry growing playbook

Field-tested instructions for every job mulberry asks of you, compiled from university extension guidance — in the order the season brings them.

Timing only — the label is the law

This is when to watch and when a treatment is worth considering, not a recommendation to apply any product. Read and follow the product label before you spray — under federal law the label is the legal instruction, and using a pesticide against it is illegal.

Check the pre-harvest interval. Every product that’s cleared for an edible crop sets a minimum number of days between spraying and picking. Find it on the label before you spray anything you intend to eat.
Check the re-entry interval before you or anyone else works in the treated area again, and use the protective equipment the label names.
Confirm the product is registered for mulberry in your state. A product legal on one crop is not legal on all of them, and state registrations differ — your state pesticide agency or local extension office can confirm both.
Rates and mixing instructions come from the label, never from us. We don’t publish them because they differ by product and formulation.

While it is dormant

winter, before growth starts

1 job

PruningIn winter

Prune only while the tree is leafless and fully dormant

Prune in late fall or winter, once the leaves are off and the tree is fully dormant. On a young tree, make light cuts to build a strong framework of well-spaced scaffolds and to hold the head low enough to pick from the ground, because a mulberry left alone will outgrow hand harvest fast. On an established tree, take out only dead, damaged, or crossing limbs rather than opening it up with big cuts. Every part of a mulberry runs with milky latex, and cuts made once the sap is moving bleed heavily; the wounds left by removing a major branch are also slow to callous over, so a large cut stays open to decay organisms for years.

As growth begins

early spring

2 jobs

FeedingIn spring

Skip the fertilizer on an established mulberry

Do not feed an established mulberry as a matter of routine. Hold off unless a soil test or genuinely poor growth says the tree needs something, and water only through the first year or two while it roots in, or during an extended drought. Mulberries thrive in sandy, infertile soil and rarely need irrigation once established. Pushing a tree that is already among the fastest-growing fruit trees with nitrogen mostly buys you more wood to cut out next winter and lifts the fruit further out of reach.

SprayingAt green tip

Popcorn disease: protective Bordeaux as the tree leafs out

Only worth doing if popcorn disease deformed your crop last year. As the buds break and the first leaves push, apply Bordeaux mixture (copper sulfate plus hydrated lime) to the whole canopy, before the flowers and young fruit are exposed. Fungicides are not routinely recommended on mulberry and full coverage of a big tree is genuinely hard, so treat this as a supplement to sanitation, never a replacement for it. Ciboria carunculoides overwinters in mummified berries and releases its spores at the developing flowers and young fruit in late spring; a protectant copper film on that tissue during the infection window is the only chemical measure reported to help.

Just after bloom

as the fruit sets

1 job

ProtectionAt petal fall

Net the tree as the flowers finish, not when the fruit turns

Put netting up near the end of flowering, while the fruit is still small. Drape it over a frame rather than the branches themselves, run it to the ground on every side, and pin it down every two to three feet with sod staples so there are no gaps. Harvest by lifting a section of staples and picking from underneath instead of pulling the whole net off. Netting is the only reliable defense - birds learn within days that pie pans and rubber snakes are bluffing. Waiting until the berries color makes the net far harder to install, and any gap left at the bottom lets birds walk in and then trap them inside.

Harvest time

as it ripens, and picking

3 jobs

What to watch forAs fruit ripens

Popcorn disease: pull and destroy every deformed berry

As the fruit colors, walk the tree and look for berries whose individual segments have swollen into pale, puffy lobes that stick out past the healthy fruit like popped corn. Pick every deformed berry off the tree and rake up the ones that have dropped, then bury or bag them. Do not compost them and do not leave them lying under the canopy. The fungus survives nowhere but in those infected berries. Each one left on the tree or on the ground dries into a mummy that produces the spore-bearing cups which reinfect next spring's flowers, so removing them is the control - and white mulberries and their hybrids are the most susceptible.

What to watch forAs fruit ripens

Spotted wing drosophila: your mulberry is the neighborhood's first nursery

Start watching about two weeks before the berries begin to color. Hang a trap baited with apple cider vinegar or a commercial lure in the shaded side of the canopy, three to five feet up. Whether or not you trap, pick up overripe and fallen fruit promptly - seal culls in a plastic bag and leave it in the sun, or bin them. Never compost infested fruit, and do not bury it shallower than about two feet. Mulberry is one of spotted wing drosophila's favorite wild hosts and ripens ahead of most cultivated berries, so an unpicked mulberry quietly breeds the flies that go on to hit your raspberries, blueberries, and cherries weeks later. The fly lays into sound, ripening fruit rather than waiting for damage, so the fallen crop underneath is a reservoir, not litter.

HarvestingAt harvest

Pick at full color, and expect a short, repeated window

Take the berries once they have gone fully dark - deep purple-black on red and hybrid types, or fully blushed on the white-fruited ones - and pull free with no resistance. Go over the tree every day or two. On an everbearing hybrid the ripening rolls on for weeks, but on a red mulberry the whole crop is often done in a few weeks in early summer. A fully ripe berry drops on its own within a day or two, so anything you leave feeds the birds, stains what is underneath, and breeds fruit flies. Unripe fruit is not worth taking either: greenish-white berries are simply not ripe, and the tree's latex is mildly toxic if eaten.

Mulberry · Calculators & field guides

A little help in the garden.

Calculators for the figures. Field guides for the hands-on work.

Mulberry · Yearly calendar

The mulberry year, month by month

What mulberry asks for, month by month.

Jan

PruneDecember to February

MonthJanFebMarAprMayJunJulAugSepOctNovDec

Bloom

Prune

Harvest

BloomMarch to May

PruneDecember to February

HarvestJune to August

What each band means

Bloom — flowers open — pollinators working, frost on blossoms is the danger.
Prune — shape it now — cuts heal cleanly and structure is visible.
Harvest — picking time — check ripeness every few days.

These are the species' typical months — expect them a few weeks earlier in warm zones and later in cold ones. Watch the plant, not just the calendar.

Mulberry · Ecology & uses

Ecology & uses

What it does for the garden, and what it is grown for.

Morus alba × rubra / M. rubra

Mulberry in the garden system

Canopy layer tree

Attracts: Birds
Moisture: Upland / dry
Deer: Browsed
Protect young plants
Origin: Introduced

What mulberry is grown for

✓ Commonly eatenunripe fruit mildly irritating

Use: Fresh
Use: Jam
Use: Wine
Use: Poultry forage
Edible value: 4/5

Harvesting & storing mulberry

June - August (everbearing types, 8+ weeks).

Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.

Mulberry · Varieties & cultivars

Best mulberry varieties & cultivars

There are far more than these — the ones below are the named varieties of mulberry people actually plant.

Named varieties of mulberry differ in winter-chill needs, ripening time, hardiness, and whether they set fruit on their own — pick one that fits your climate.

12 varieties

Illinois Everbearing

Self-fertile

Chill: 200–400 hrs
Ripens: July through September
Zones: 4-9
Disease: good (few serious pests)
Size: large, 20-35 ft (prune to keep small)

rich sweet, blackberry-like, one of the best fresh — The go-to cold-hardy (to about -20F) Morus alba x rubra mulberry with a long, weeks-long ripening season, making it the safest all-around choice for most US growers.

Where to buy ‘Illinois Everbearing’verified

Story Thyme Farms may earn a small commission from these links, at no cost to you — it never changes what we recommend.

Raintree NurseryIllinois Everbearing Mulberry$59.99↗EtsyBrowse growers↗

Sources & plant identity

Know what you’re growing.
See where the knowledge comes from.

The plant, at a glance.

Botanical name: Morus alba × rubra / M. rubra
Plant family: Moraceae
Growth habit: Tree · Perennial
Origin: Introduced
USDA plant symbol: MORU2
Invasive risk: Low

Every garden is different.

Hardiness, size and timing vary with your cultivar, soil and climate.

Rooted in research.

University extension research, brought together with hands-on growing experience at Story Thyme Farms.

Explore Mulberry’s sources8 reference links
for Mulberry

Research from these sources

Dave Wilson Nursery

NC State Extension

Southern Adventist University

Texas A&M AgriLife

University of Florida

Planting Justice

Publisher marks identify sources, not sponsorship or endorsement.

Questions

Mulberry questions, answered straight.

Do I need two mulberry plants to get fruit?

No — mulberry is self-fertile, so a single plant will set a crop. A second one usually improves yields, but it isn't required.

Will mulberry fruit in a warm-winter climate?

Mulberry needs roughly ~400 hours of winter chill (hours between 32–45°F) to break dormancy and set fruit. Mild-winter growers should count their chill hours before planting.

Is mulberry safe for kids and pets?

Mulberry is commonly eaten and isn't considered toxic, but "commonly eaten" isn't a guarantee for any particular person or animal — allergies, quantity, and which part you eat all matter. One caveat on this one: unripe fruit mildly irritating. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.

When do you harvest mulberry?

June - August (everbearing types, 8+ weeks).

Elsewhere

Where mulberry sits in the library.

Where mulberry sits in the library

Cold-hardy mulberries5 Fruit trees31 Self-fertile fruit trees20 Fruit trees for zone 49 Fruit trees for zone 515 Fruit trees for zone 617 Fruit trees for zone 718 Fruit trees for zone 822 Fruit trees for zone 921 All collections

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