How to Grow Sour Cherry Montmorency
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Sour Cherry Montmorency
Prunus cerasus 'Montmorency'
treeMontmorency is the most widely cultivated sour cherry variety, prized for its bright red fruit and exceptional flavor balance of tartness and sweetness. This medium-sized deciduous tree produces abundant crops of small, stone fruits ideal for pies, preserves, and fresh eating. The cultivar is self-fertile and extremely cold-hardy, making it suitable for northern climates where sweet cherries struggle.
When should you plant Sour Cherry Montmorency in your zone?
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Example Sour Cherry Montmorency timeline · Pittsburgh, PA (Zone 6b)
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Plant Sour Cherry Montmorency
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Sour Cherry Montmorency
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-7, with excellent production in zones 4-6
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Get my Sour Cherry Montmorency timeline →Growth Stages
Establishment
First 2 yearsYoung tree with vigorous growth; leaf development and root establishment
Water deeply twice weekly for first two seasons; stake for support; prune central leader to establish strong framework; remove competing branches
Flowering
2-3 weeks in March-April depending on zoneAbundant white flowers appear in early spring on 1-year-old wood before leaf emergence
Avoid pruning during flowering; monitor for late frost damage to flower buds; ensure adequate pollination (tree is self-fertile but benefits from compatible pollen sources like Balaton)
Fruit Development
4-6 weeksSmall green fruit forms and rapidly enlarges; marble-sized by early summer
Thin fruit to 1-2 inches apart when pea-sized if excessive crop; maintain consistent moisture; apply mulch to regulate soil temperature
Ripening
2-3 weeksFruit deepens from orange-red to dark red; sugar content increases; slight softening occurs
Monitor for bird predation; netting is effective; avoid overhead watering to prevent fruit cracking; do not harvest prematurely
Dormancy
October-March depending on zoneLeaves drop in fall; tree enters cold hardiness period
Prune in winter when dormant (remove crossing/rubbing branches, maintain vase structure); apply dormant oil in late winter for pest control; mulch around base
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Yellow sticky traps; sanitation of fallen fruit; spinosad sprays starting at petal fall; bagging individual fruit clusters
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Hand-pick in early morning; milky spore in soil; pyrethrins spray; minimize flowering ornamentals nearby
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Insecticidal soap; neem oil; strong water spray to dislodge; maintain tree vigor
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Prune and destroy egg bands in winter; Bacillus thuringiensis (Bt) spray on larvae; manual removal of tents
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Prune infected branches; improve air circulation; sanitation of mummified fruit; sulfur or fungicide sprays at petal fall and fruit development
Uses
Baking & Preserves
CulinaryMontmorency cherries are the gold standard for cherry pie, cobblers, jams, and liqueurs. Their balanced tart-sweet profile and firm flesh make them ideal for both fresh and processed applications. [source]
Anti-inflammatory & Recovery
MedicinalSour cherry juice is well-documented to reduce inflammation markers and improve post-exercise recovery, making it popular among athletes and those managing arthritis. [source]
Fresh Eating & Beverages
CulinaryWhile tart raw, fresh Montmorency cherries can be enjoyed out-of-hand when fully ripe and are excellent for juicing, smoothies, and infusions. [source]
Drying & Long-term Storage
HouseholdMontmorency cherries dry exceptionally well, retaining flavor and nutrition. Dried cherries can be stored for months and rehydrated or used in baking. [source]
Pollinator & Bird Habitat
WildlifeEarly spring flowers provide critical early-season nectar for bees and other pollinators, while ripe fruit attracts songbirds. Supports local ecosystem health. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest when fruit is fully dark red (typically mid-June to early July in northern zones, earlier in warmer zones). Pick with stems attached to prevent bruising. Fruit does not continue ripening after harvest. Pick every 2-3 days as cherries ripen sequentially. Can harvest by hand-picking or spreading cloth under tree and gently shaking branches. One tree produces 30-50 pounds of fruit at maturity.
Fun Facts
- 🌱 Montmorency cherries are named after a French town and have been cultivated since the 17th century; they represent over 90% of tart cherry production in North America.
- 🌱 The 'Montmorency' cultivar is self-fertile due to a natural mutation, making it unusually valuable as a single-tree option (unlike most cherry varieties requiring cross-pollination).
- 🌱 Sour cherry trees are significantly hardier than sweet cherry trees, tolerating temperatures down to -30°F (-34°C) when dormant, making them the cherry of choice for zone 3-4 gardeners.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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