Apple

Malus domestica

Family Rosaceae

TreeZones 4-8

Botanical illustration of Apple

Sun-warmed and picked at full ripeness, a backyard apple is a different fruit from anything in a bag — crisp, honeyed, and yours by the basketful from September into October. Apples bred for gardens, like Liberty and Enterprise, carry flavor and disease resistance the supermarket kinds were never asked for.

On semi-dwarf roots the tree keeps to 12-20 feet — picking height, not ladder-at-full-stretch height — and its spring bloom brings the bees in white drifts. An apple needs a partner to set fruit, so plant two and settle in for cider, pie, and a cellar shelf that smells like fall.

Where to buy apple — 10 nurseries compared

  • Full Sun
  • Moderate water
  • Moderate growth
  • Excellent edible
  • Attracts bees
  • 400-1000 winter chill
  • Needs a pollination partner
  • Juglone-sensitive
Apple — a print from the Plant Library collection

From the print shop

Growing apple? Hang it.

Our Plant Library collection carries apple — Malus domestica, print Nº 25, “Apple.”

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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 apple actually needs.

Hardy inZones 4-8
Winter chill400-1000
PollinationPartner needed

Apple · Common problems

Common apple problems

Pests, diseases and weather to keep an eye on.

Pests

14 problems on file

Diseases

7 problems on file

Weather

1 problem on file

Pollination

Poor pollination → low fruit set (plant a partner)

Apple · Growing & propagation

Growing apple

Light, water, soil, propagation and the season’s jobs.
What it needsThe details
Light
Full Sun
Water
Moderate, regular 1 inch/week
Soil
Well-drained, Loamy · pH 6.0 - 7.0
Fertilizer
Early Spring (before bloom)

Balanced 10-10-10 or compost.

Pruning
Late Winter (Dormant)

Central Leader. Remove crossing branches, open center for light.

Spacing
12-15 ft (Semi-dwarf)

How to plant & propagate apple

Propagate
Grafted, or from cuttings/layering

Seed won't come true

Apple · Harvest & keeping

What you get from apple

How long before it bears, how much it gives, how you know it is ready, and how long it keeps once picked.
Botanical illustration of Apple
Years to first harvest
2 to 5 years
Typical yield
40–120 lbs
What you eat
Fruit
How to tell it is ready
Ground color warms and seeds turn brown

A ripe apple twists off easily

How long it keeps
1-6 months in cold storage

Apple · Seasonal care & spray guidance

The apple growing playbook

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

When to spray apple

Dormant season. Dormant Oil (Mites/Scale): Apply in late winter before bud break when temps >40°F for 24 hours. Copper (Fireblight): Apply at silver tip green tip stage.

Growing season. Petal Fall: Kaolin Clay or Insecticide (for Curculio). 10-14 days later: Repeat. Summer: Fungicide only if wet/humid. 'Liberty' & 'Enterprise' are disease resistant.

While it is dormant

winter, before growth starts

2 jobs
PruningIn February and March

Dormant-prune your apple

Cut for an open center: remove crossing/inward growth water sprouts and one of any two competing leaders. Airflow and light cut disease and ripen fruit evenly.

PruningIn February and March

Cut out fire blight cankers while the tree is dormant

Walk the tree in late winter looking for sunken, dark, cracked patches of bark and for blackened shoots that held their dead leaves all winter. Cut through healthy wood at least 8 inches below the discolored bark of any canker, and burn or bury what you remove rather than leaving it in the row. The bacterium overwinters at the margins of these cankers and oozes out of them right as the tree blooms, so every canker you leave is the launch point for next spring's blossom infections. Late winter is the right time because both tree and bacteria are dormant, which means the cuts cannot spread infection and will not push a flush of soft sucker growth.

As growth begins

early spring

3 jobs
FeedingIn spring

Fertilize only if last year's growth was short

Before you feed anything, measure last season's shoot growth. A bearing apple should put on about 8 to 12 inches a year and a young non-bearing tree 12 to 18 inches. If the tree hit those numbers, add nothing. If it fell short, work compost around the root zone in early spring before the leaves come out. Nitrogen is normally the only nutrient an apple needs on an annual basis. Apples are one of the few fruit trees that are far more often over-fed than under-fed. Lush nitrogen-driven growth is soft, succulent tissue that fire blight infects readily, and it delays a young tree coming into bearing while keeping an older one from setting fruit.

SprayingIn March

Dormant oil on apple

Apply horticultural oil at green tip on a dry day above 40F. Smothers overwintering mites scale and aphid eggs.

SprayingAt green tip

Apple scab: first fungicide at half-inch green tip

When the leaf buds have swollen and opened enough to show about a half inch of green tissue, spray captan or wettable sulfur. Repeat every 7 to 10 days through the week after petal fall, tightening the interval in rainy stretches and stretching it in dry ones. By mid-June look the leaves over: if you find no scab lesions you can stop, and if you find them keep spraying through the season. The fungus spends winter in last year's fallen leaves and shoots its spores into the air as the tree breaks bud, so the new leaves are infected before any spot is visible. The spores need several hours of continuous wetness to take hold, which is why spring rains drive the epidemic and why a fungicide applied after lesions appear cannot cure them.

While it flowers

at bloom

1 job
What to watch forAt bloom

Watch the blossoms for fire blight strikes

Through bloom and the couple of weeks after, check flower clusters and shoot tips. Look for clusters that go water-soaked then droop, shrivel, and turn brown or black, and for young shoots that wilt into a downward hook with the dead leaves hanging on. Cut any strike out at least 8 inches below the discolored bark, sterilizing the blades between cuts. Bacteria ooze from overwintering cankers at the same moment the tree blooms, and bees carry them straight into the open flowers. The infection then runs from the blossom down into the wood, so a strike caught at the flower cluster is a small cut and one caught in August is a limb.

Just after bloom

as the fruit sets

1 job
SprayingAt petal fall

Codling moth: first insecticide once the petals are down

Wait until most or all of the petals have dropped from the blossoms, then spray spinosad, carbaryl, malathion, or esfenvalerate. Make a second application 7 to 10 days later. Hang a pheromone trap first if you can - if it catches no moths, you may not need to spray at all. First-generation adults emerge from overwintering just before bloom and each female lays up to 100 eggs on the developing fruitlets. The larvae tunnel straight to the core to feed on the seeds, and once they are inside the apple no spray can reach them, so the only window that works is while the eggs and newly hatched larvae are still on the surface.

Through summer

the growing season

1 job
ThinningIn June

Thin apple fruitlets

Thin to one fruit per cluster about a hand-width apart. Bigger fruit and prevents biennial bearing.

Harvest time

as it ripens, and picking

1 job
HarvestingAt harvest

Pick by background color and taste, not by the calendar

Watch the background color - the part of the skin not covered in red - and start checking once it shifts from green toward greenish-yellow. Then pick a few that look ready and eat them. An unripe apple is starchy and leaves a sticky film on your teeth. A ripe one has developed its aromatic flavor and lost that starchiness - it may still taste tart, which is normal for baking and cider varieties, so judge by aroma and the absence of starch rather than by sweetness alone. Keep tasting every few days rather than picking the whole tree at once. Red blush colors up well before the fruit is actually ripe, so it is a poor signal. What you are really waiting for is the tree converting stored starch into sugar, and the background color plus the taste of the flesh are the two things a grower can read without lab equipment.

After harvest

autumn, and putting it to bed

1 job
MulchingAfter harvest

Clear the fallen leaves before the first snow

Once the leaves come down, get them out from under the tree before the first snowfall. Rake and burn, bury, or compost them, or run a mulching mower over them to chop them up. Pick up dropped apples too, and store the fruit you keep well away from any windfalls. Diseased fallen leaves are the overwintering site for apple scab - the fungus survives in that litter and fires next spring's spores from it, so leaves left in place are the entire seed stock for next year's infection. Dropped fruit does the same job for codling moth larvae looking for a place to spin their cocoons.

Apple · Companion plants

Apple companion plants

Good companions

Avoid

  • Grasses at the trunk (compete)
  • potatoes nearby

Underlined names have their own growing guide in this library.

Apple · Calculators & field guides

A little help in the garden.

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

Apple · Yearly calendar

The apple year, month by month

What apple asks for, month by month.

Jan

No calendar activity is listed for this month.

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Bloom
Prune
Harvest

BloomMay

PruneFebruary to March

HarvestSeptember to October

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.

Apple · Ecology & uses

Ecology & uses

What it does for the garden, and what it is grown for.
Botanical illustration of Apple

Malus domestica

Apple in the garden system

  • Understory layer tree
  • Keystone: Keystone — hosts 300+ caterpillar species
Attracts
Bees
Moisture
Facultative / average
Deer
Browsed

Protect young plants

Origin
Introduced
Juglone
Apple is sensitive to juglone

The toxin exuded by black walnut, butternut, and their relatives. Keep it 50+ ft from any walnut or hickory, or its leaves will yellow, wilt, and die back for no obvious reason.

What apple is grown for

✓ Commonly eatendon't eat seeds in quantity

Use
Fresh eating
Use
Baking
Use
Cider
Use
Storage
Edible value
5/5

Harvesting & storing apple

September - October.

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.

Apple · Varieties & cultivars

Best apple varieties & cultivars

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

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

19 varieties

Sources & plant identity

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

Botanical illustration of Apple

Apple

Malus domestica

The plant, at a glance.

Botanical name
Malus domestica
Plant family
Rosaceae
Growth habit
Tree · Perennial
Origin
Introduced
USDA plant symbol
MADO4
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 Apple’s sources17 reference links
for Apple

Research from these sources

Cornell UniversityIowa State UniversityNC State ExtensionNew Mexico State UniversityPenn StatePurdue UniversityUniversity of FloridaUniversity of MinnesotaUniversity of Missouri

Publisher marks identify sources, not sponsorship or endorsement.

Questions

Apple questions, answered straight.

Why isn't my apple fruiting?

Most often: it has no genetically distinct partner nearby. Apple can't pollinate itself — cross-pollination required (both bloom mid-late). Plant a second, unrelated one nearby; two different cultivars, or a cultivar plus a seedling, is the classic pairing.

Will apple fruit in a warm-winter climate?

Apple needs roughly 400-1000 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 apple safe for kids and pets?

Apple 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: don't eat seeds in quantity. 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 apple?

September - October.

Elsewhere

Where apple sits in the library.

Where apple sits in the library

Cold-hardy apples10Disease-resistant apples5Storage apples13Fruit trees31Fruit trees for zone 49Fruit trees for zone 515Fruit trees for zone 617Fruit trees for zone 718Fruit trees for zone 822All collections

Grows in the same world

Botanical illustration of PeachPeachBotanical illustration of PlumPlumBotanical illustration of PluotPluotBotanical illustration of Cocktail TreeCocktail Tree