Crop guide · The rose family

How to grow Pear

A long-lived fruit tree that trains well against a wall, handles heavier soil than apple, and gives buttery fruit if you pick it firm and ripen it indoors.

Pyrus communis · also called European pear, Common pear

Full sun Intermediate Frost-hardy
Sun
Full sun
Keep full sun
Frost
Hardy
Dormant wood takes hard winter cold
Spacing
180 in
455 cm between plants
To harvest
1095–2190 days
counted from transplant
Timing

When to plant Pear

Fall
Transplant

After leaf drop and about 6 weeks before the ground freezes, where winters are mild.

Spring
Transplant

As soon as soil can be worked, 2–4 weeks before last frost, while the tree is still dormant.

Too late?Stop planting bare-root trees once buds have opened and leaves expanded — switch to a potted tree or wait for fall.
Background

Why grow Pear

Picked firm and ripened off the tree, a home pear reaches a buttery texture that shipped fruit rarely does. One dwarf tree fits a small yard and can crop for decades.

A little history. The pear is a pome: the edible flesh forms from tissue surrounding the core rather than from the ovary wall. The gritty specks are clusters of stone cells laid down in the flesh.

The season, step by step

From planting to harvest

Transplant outside

2–4 weeks before last frost

In-ground is best; a dwarf tree on size-controlling rootstock can hold in a large container with steady water. In containers: 25-gallon container at least 20 inches deep, dwarf rootstock only. Space plants 180 inches (455 cm) apart.

Water and feed

All season

Deep soak once a week through the first three seasons; established trees only in long dry spells. Water when soil 4 inches down feels dry to the knuckle. Aim for about 5 gallons per week for a young tree.

Once a year in early spring, before buds swell. What to use: 1 inch of compost over the root zone; add a light balanced feed only if last year's shoots grew under 12 inches.

Prune and maintain

As it grows

Prune in late winter to a central leader. Take out crossing, inward, and upright water sprouts. Keep cuts light — hard pruning pushes soft shoots that fire blight enters easily.

Harvest and store

1095–2190 days from transplant

It's ready when ground color shifts from grass green to pale yellow-green, seeds inside have turned brown, and the fruit snaps free when tilted up to horizontal. Cup the pear and tilt it upward until the stem parts from the spur; do not pull straight down or the fruiting spur tears off. Pick mature but still firm — European pears ripen off the tree.

Ripen at 65–70 °F (18–21 °C) for 3–7 days until the neck yields to light thumb pressure. For longer keeping, hold firm fruit at 30–32 °F (-1–0 °C), then ripen a few at a time.

Companions

Good neighbours, bad neighbours

Plant it with

Comfrey

A ring of comfrey under the branches shades soil, holds moisture, and crowds out the grass that competes hardest with young pear roots. Its deep taproot draws minerals from below the tree's feeding zone, and the leaves can be cut two or three times a season and laid down as mulch. Keep crowns a foot back from the trunk.

Yarrow

Yarrow's flat flower heads are among the easiest nectar sources for hoverflies, lacewings, and the tiny parasitic wasps that work over pear psylla and aphids. Plant a drift in the mulched strip out near the branch tips rather than against the trunk.

Sweet Alyssum

Alyssum blooms from spring to frost and its shallow flowers feed adult hoverflies, whose larvae eat aphids. Orchard trials with flowering ground covers show lower aphid numbers on nearby trees, so a sown band under the canopy earns its space.

Phacelia

Phacelia is one of the strongest nectar plants for bees and small parasitic wasps. Sown in a strip beside the tree it flowers about eight weeks later than pear bloom, keeping beneficial insects on site through the aphid and psylla season.

Nasturtium

Nasturtium can pull black aphids onto its own stems, where they are easy to spot. It only helps if you pull and bag the infested plants; left alone under the tree it becomes an aphid nursery instead of a trap.

Chives

Gardeners have long ringed pear and apple trunks with chives, saying the onion smell throws off aphids hunting by scent. The evidence is thin, but the clumps do no harm, hold the soil at the trunk, and their spring flowers feed early hoverflies.

Keep it away from

Black Chokeberry

Chokeberry sits in the same plant family as pear and can host fire blight and the rusts that move among rose-family shrubs and trees. Where blight pressure is high, an infected chokeberry gives the bacteria a bridge to the pear, so plant them well apart and cut out blackened wood on either one promptly.

Juniper And Eastern Redcedar

Pear trellis rust and the related cedar rusts must spend part of their life cycle on junipers, then blow back onto pear leaves in spring. Removing or avoiding juniper plantings near the tree breaks the cycle better than any spray a home gardener can apply.

Lawn Grass

Turf growing right up to the trunk measurably slows young fruit trees by taking water and nitrogen from the top few inches of soil, and mower damage to bark opens the way for disease. Keep a mulched, grass-free circle at least 3 feet across around the trunk.

See Pear in the full companion chart →

Crop rotation

After this crop

Rotation

A perennial — it holds its spot for years, so it sits outside the annual rotation.

A permanent planting, not part of any rotation — site it once and leave it. Keep the root zone grass-free and turn the strip under the branches into a lasting border of flowers and herbs. If replacing an old pear, plant the new tree a few feet off the original spot.

Trouble to watch for

Pests and diseases

Pests

Codling moth

Sign
Small holes in the skin plugged with brown crumbly frass; a tunnel running to the core when you cut the fruit.
Fix
Slip paper or nylon bags over young fruit in late spring, and pick up and destroy dropped fruit weekly.

Pear psylla

Sign
Sticky honeydew on leaves and fruit turning black with sooty film; leaves yellow and drop early.
Fix
Spray dormant horticultural oil before buds swell, hose off honeydew, and hold back on nitrogen.

Pear slug (pear sawfly larva)

Sign
Slimy dark green sluglike larvae on leaf tops, scraping leaves down to a lace of veins by midsummer.
Fix
Knock them off with a hard spray of water; repeat after rain until they stop appearing.

Plum curculio

Sign
Crescent-shaped scars on young fruit in late spring, followed by early fruit drop.
Fix
Spread a sheet under the tree at dawn, jar the branches, and collect and destroy the beetles that fall.

Diseases

Fire blight

Sign
Shoot tips wilt into a shepherd's crook; blossoms, leaves, and young wood blacken as if scorched and hang on.
Prevent
Cut 8-12 inches below blackened wood in dry weather, sanitizing the blade between cuts. Avoid high nitrogen and heavy summer pruning.

Pear scab

Sign
Olive-brown velvety spots on leaves and fruit; badly hit fruit cracks and goes corky.
Prevent
Rake and remove fallen leaves, prune for open airflow, and choose resistant varieties when planting.

Pear trellis rust

Sign
Bright orange spots on leaf tops in summer, with small tubes forming on the underside beneath each spot.
Prevent
Remove or replace juniper plantings near the tree where practical, and clear fallen leaves each autumn.

Fabraea leaf spot

Sign
Small purple-black spots spreading across leaves in wet summers, followed by early leaf drop and spotted fruit.
Prevent
Rake and remove infected leaves, thin the canopy so leaves dry quickly, and water at the ground rather than overhead.
Good to know:Eat the flesh and skin. Do not eat the seeds — chewed pear seeds release a toxin. Leaves and wood are not food.
FAQ

Common questions about Pear

When should I plant Pear?
Fall: after leaf drop and about 6 weeks before the ground freezes, where winters are mild. Spring: as soon as soil can be worked, 2–4 weeks before last frost, while the tree is still dormant.
How long until Pear is ready to harvest?
1095–2190 days, counted from transplant. It's ready when ground color shifts from grass green to pale yellow-green, seeds inside have turned brown, and the fruit snaps free when tilted up to horizontal.
Can I grow Pear in a container?
In-ground is best; a dwarf tree on size-controlling rootstock can hold in a large container with steady water. In containers: 25-gallon container at least 20 inches deep, dwarf rootstock only.
How often should I water Pear?
Deep soak once a week through the first three seasons; established trees only in long dry spells. Water when soil 4 inches down feels dry to the knuckle.
Is any part of Pear unsafe to eat?
Eat the flesh and skin. Do not eat the seeds — chewed pear seeds release a toxin. Leaves and wood are not food.
How should I store Pear after harvest?
Ripen at 65–70 °F (18–21 °C) for 3–7 days until the neck yields to light thumb pressure. For longer keeping, hold firm fruit at 30–32 °F (-1–0 °C), then ripen a few at a time.

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