HeirloomHybrid

Kieffer Pear

Pyrus communis x P. pyrifolia 'Kieffer'

A remarkably hardy and productive hybrid pear that thrives where other pears fail, combining European and Asian pear genetics for superior disease resistance. This vigorous tree produces large, golden-yellow pears with a crisp texture that are excellent for canning, baking, and preserves. Kieffer pears are beloved by home orchardists for their reliability, long storage life, and ability to produce heavy crops even in challenging climates.

Harvest

140-160d

Days to harvest

📅

Sun

PY-russ kom-MYOO-nis

☀️

Zones

4–8

USDA hardiness

🗺️

Height

40-50 feet

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Transplant

Harvest

Transplant

Harvest

Showing dates for Kieffer Pear in USDA Zone 7

All Zone 7 fruit-tree →

Zone Map

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Kieffer Pear · Zones 4–8

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing20-25 feet apart

SoilAdaptable to various soils, prefers well-drained loam

pH6.0-7.5

WaterHigh — consistent moisture needed

SeasonSpring and Summer

FlavorMildly sweet with slight grittiness, becomes sweeter after storage

ColorGolden yellow with russeted skin

Size3-4 inches long

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 4	—	June – July	—	September – September
Zone 5	—	May – July	—	August – October
Zone 6	—	May – July	—	August – October
Zone 7	—	May – June	—	August – October
Zone 8	—	April – June	—	July – November

Complete Growing Guide

Light: PY-russ kom-MYOO-nis. Soil: Clay, Loam (Silt), Sand. Soil pH: Neutral (6.0-8.0). Drainage: Good Drainage, Occasionally Dry. Height: 40 ft. 0 in. - 50 ft. 0 in.. Spread: 25 ft. 0 in. - 35 ft. 0 in.. Spacing: 12-24 feet. Maintenance: High. Propagation: Grafting, Stem Cutting. Regions: Coastal, Mountains, Piedmont.

Harvesting

Variable fruit sizes, shapes, and colors. Teardrop shapes are most commonly known.

Color: Brown/Copper, Gold/Yellow, Green, Red/Burgundy. Type: Pome. Length: > 3 inches. Width: > 3 inches.

Garden value: Edible, Fragrant

Harvest time: Fall, Summer

Bloom time: Spring

Edibility: Fruits edible raw, cooked, or dried. Sweet and fragrant.

Storage & Preservation

Store freshly harvested Kieffer pears at 32-35°F with 90-95% humidity for optimal longevity – they'll keep 2-4 months under proper conditions. For home storage, place unwashed pears in perforated plastic bags in the refrigerator crisper drawer. Check weekly and remove any showing soft spots.

For ripening, move pears to room temperature 3-7 days before eating. They'll soften and develop better flavor off the tree. Kieffer pears excel in preservation methods: they hold their shape beautifully when canned in light syrup, make exceptional pear butter due to their firm texture, and create outstanding preserves and jellies. Their natural pectin content makes them ideal for jam-making without added thickeners. Slice and dehydrate for pear chips, or freeze in sugar syrup for later baking use.

History & Origin

Origin: Europe to N. Iraq

Advantages

+Attracts: Bees, Butterflies, Pollinators, Songbirds
+Edible: Fruits edible raw, cooked, or dried. Sweet and fragrant.

Considerations

-High maintenance

Companion Plants

Plant Together

Chives

Repels aphids and Japanese beetles, improves overall tree health

Comfrey

Deep roots bring nutrients to surface, leaves make excellent mulch

Nasturtiums

Trap crop for aphids and cucumber beetles, attracts beneficial insects

Marigolds

Repel nematodes and various pests, attract pollinators

Clover

Fixes nitrogen in soil, provides ground cover and attracts beneficial insects

Daffodils

Repel rodents that may damage tree bark and roots

Lavender

Attracts pollinators and beneficial insects while repelling pests

Garlic

Repels aphids, borers, and other pests through strong sulfur compounds

Keep Apart

Black Walnut

Produces juglone toxin that inhibits growth and can kill pear trees

Juniper

Alternate host for cedar-apple rust which severely affects pear trees

Eucalyptus

Allelopathic compounds inhibit growth of nearby fruit trees

Nutrition Facts

Calories

57kcal(3%)

Protein

0.36g(1%)

Fiber

3.1g(11%)

Carbs

15.2g(6%)

Fat

0.14g(0%)

Vitamin C

4.3mg(5%)

Vitamin A

1mcg(0%)

Vitamin K

4.4mcg(4%)

Iron

0.18mg(1%)

Calcium

9mg(1%)

Potassium

116mg(2%)

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #169118)

Pests & Disease Resistance

Resistance

Excellent fire blight resistance, good overall disease tolerance

Common Pests

Pear psylla, codling moth, aphids, scale insects

Diseases

Pear scab (minor), cedar-apple rust (minor), very resistant to fire blight

Frequently Asked Questions

How long does it take for Kieffer pear trees to produce fruit?▼

Kieffer pear trees typically begin producing fruit 3-5 years after planting, with full production reached by year 7-10. Dwarf rootstock varieties may fruit 1-2 years earlier. The vigorous nature of Kieffer trees means they establish and begin bearing faster than many European pear varieties, making them excellent choices for impatient gardeners wanting quicker results.

Do Kieffer pears need a pollinator tree?▼

While Kieffer pears are somewhat self-fertile and may produce some fruit alone, they produce significantly better crops with cross-pollination from another pear variety. Bartlett, Anjou, Bosc, and Seckel are all excellent pollinators. Plant the pollinator within 100 feet for best results, and ensure both varieties bloom at roughly the same time.

Can you eat Kieffer pears fresh off the tree?▼

Kieffer pears are not ideal for fresh eating directly from the tree due to their firm, gritty texture and bland flavor. For better eating quality, harvest when mature but firm, then ripen at room temperature for 3-7 days until they yield slightly to pressure. Even then, they're better suited for cooking, canning, and preserves than fresh consumption.

What zones can grow Kieffer pears successfully?▼

Kieffer pears thrive in USDA zones 4-9, showing remarkable adaptability to different climates. They're particularly valuable in zones 6-8 where their fire blight resistance and heat tolerance shine. Northern gardeners in zones 4-5 should plant in protected locations and choose early-ripening selections to ensure fruit maturity before frost.

Why are my Kieffer pears hard and tasteless?▼

This usually indicates harvesting too early or not allowing proper post-harvest ripening. Kieffer pears ripen from inside out and need time off the tree to develop sweetness and softer texture. Harvest when golden-yellow and easily separated from the branch, then ripen at room temperature for several days before eating or refrigerating.

How big do Kieffer pear trees get?▼

Standard Kieffer pear trees reach 20-25 feet tall and wide at maturity, with a vigorous, upright growth habit. Semi-dwarf rootstocks reduce size to 12-15 feet, while dwarf varieties stay 8-10 feet. The variety's vigor means regular pruning is essential to maintain desired size and shape, especially in the first 5-7 years of growth.