How to Grow Greengage Plum

Greengage Plum

Prunus italica

tree

Greengage is a small, sweet plum variety prized for its amber-green flesh, honey-like flavor, and superior eating quality compared to most commercial plums. This deciduous fruit tree produces medium-sized fruits and is less vigorous than standard plum trees. It has been cultivated since the 18th century and is considered one of the finest-flavored plum varieties.

Looking for a specific variety?

Reine Claude de Bavay Reine Claude Violette Count Althanns Gage Jefferson Golden Transparent Bryanston Gage

Growing Conditions

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Sun: Full sun, 6-8 hours daily minimum; 8+ hours preferred for best fruit quality

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Water: Moderate and consistent moisture; water deeply 1-2 times per week during growing season. Keep soil evenly moist but not waterlogged. Reduce watering in fall to encourage hardening off. Mulch to retain moisture and regulate temperature.

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Spacing: 240 inches

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Days to maturity: Fruit matures 60-80 days after bloom; trees bear fruit in 3-4 years from whip grafts

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Planting depth: Plant at same depth as root collar; graft union should be 2-3 inches above soil surface to prevent scion rooting

Soil

Type: Well-draining loamy soil with moderate fertility

pH: 6.0-7.0

Amendments:

Compost or aged manure at planting Balanced NPK fertilizer (10-10-10) in spring Wood ash for potassium (if soil is acidic)

Growing Zones

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Thrives in zones 5-9, with best fruit production in zones 6-8

5a 5b 6a 6b 7a 7b 8a 8b 9a

Growth Stages

Dormant/Establishment

First 12 months

Newly planted bare-root or container tree with minimal above-ground growth; root system establishing in soil

Plant in late fall to early spring. Water regularly to establish roots. Apply 2-3 inches of mulch, keeping it away from trunk. Prune only to remove damaged wood.

Vegetative Growth

Years 2-3

Young tree develops main scaffold branches and canopy structure; leafy growth with no flowering

Train to open-center or modified central leader. Remove competing or crossing branches. Apply balanced fertilizer in spring. Thin shoots to 6-12 inches apart on main branches.

Flowering

2-3 weeks in spring

Tree produces abundant white to pale pink blossoms in early spring (March-April depending on zone); flowers appear on second-year wood

Thin crowded flower buds to prevent excessive set. Remove flowers first year or two to direct energy to tree establishment. Protect from late frosts with frost blankets if needed. Ensure pollinator access (many greengage varieties are self-fertile but set heavier crops with cross-pollination).

Fruit Development & Ripening

60-80 days from bloom to harvest

Small green fruits develop from flowers, gradually enlarging and changing color from dark green to amber-green or golden-yellow (June-August); fruits develop characteristic honey sweetness when fully ripe

Thin fruits to 2-3 inches apart when marble-sized to ensure larger, sweeter fruit. Thin clusters to one fruit. Water deeply and consistently during this period. Apply balanced or slightly lower-nitrogen fertilizer to encourage ripening.

Harvest & Dormancy

August-November

Fruits reach full color and sweetness; tree gradually loses leaves in fall as it enters winter dormancy

Harvest when fruits give slightly to gentle pressure and are fragrant; they do not improve after harvest. Pick every 2-3 days as fruits ripen unevenly. Prune in late winter (February-March) to remove diseased, crossing, or downward-growing wood. Apply dormant oil in early spring to control overwintering pests.

Companion Planting

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Plant with:

Tansy Garlic Chives Borage Comfrey Other plum varieties (for cross-pollination) Apple trees (in orchard settings)

Avoid planting near:

Fennel Black walnut (Juglans nigra) - produces juglone toxin Potatoes (disease considerations) Tomatoes (shared pests and diseases)

Common Pests

Handpick infested fruit daily; drop sheets under tree and collect fallen fruit/pests; apply spinosad or neem oil at petal fall and 2 weeks later; clean up fallen fruit immediately
Handpick in early morning; use pheromone traps away from tree; apply neem oil or spinosad; encourage beneficial predators
Prune out infected branches; remove mummified fruit; thin canopy for air circulation; apply sulfur fungicide during bloom and fruit development; avoid overhead watering
Prune out infected branches well below visible knots; sterilize tools between cuts; apply copper fungicide in early spring and fall; destroy pruned material
Prune out infected fruit; improve air circulation; apply copper fungicide in fall at leaf drop and again in early spring before bud break
Spray with strong water stream to dislodge; apply neem oil or insecticidal soap; introduce predatory mites; avoid excessive nitrogen fertilizer

Uses

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Fresh Eating & Preserves

Culinary

Greengages are celebrated as one of the finest eating plums, with complex honey and floral notes. They are traditionally used for jams, compotes, and liqueurs (especially French Eau de Vie de Reines-Claude); they also make elegant desserts and can be poached or pickled. [source]

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Baking & Cooking

Culinary

Their firm flesh holds up well in baking and cooking. Greengages are used in tarts, clafoutis, cakes, and savory dishes with duck or pork. [source]

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Historic & Heirloom Fruit

Household

Greengage plums have been prized since the 18th century and are considered a classic heirloom variety, valued by heritage orchardists and culinary historians for their superior flavor and cultural significance. [source]

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Digestive & Nutritional Support

Medicinal

Plums, including greengages, are rich in fiber, vitamin C, and antioxidants; they have traditionally been used to support digestive health and are valued in herbal traditions for gentle laxative properties. [source]

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Pollinator & Bird Support

Wildlife

Greengage blossoms provide early spring nectar for bees and other pollinators, while ripening fruit attracts birds and beneficial wildlife to the garden. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Greengages ripen from mid-July through August depending on location and season. Unlike most commercial plums, they do not improve in flavor after picking, so harvest only when fully ripe—the fruit will feel slightly soft and release a sweet fragrance. Pick every 2-3 days as fruits mature unevenly on the tree. Handle gently as ripe fruits bruise easily. Small cracks in the skin are natural and do not affect flavor. Store ripe fruit in the refrigerator for up to 5 days; use immediately for best flavor.

Fun Facts

🌱 Greengage plums are named after Sir William Gage, an 18th-century English botanist who imported the variety from France (where they are called Reines-Claude, after Queen Claude, wife of King Francis I). The variety was nearly lost in England but has experienced a revival among heritage growers.
🌱 Greengages are the sweetest of all plums when fully ripe, developing complex honey, floral, and spice notes that rival many dessert fruits. This exceptional flavor quality makes them significantly more expensive in markets than standard plums.
🌱 Unlike most plum trees, greengage is notably less vigorous and self-fertile, making it an excellent choice for smaller gardens and orchards. Most commercial greengage cultivation occurs in France, England, and California, where the warm growing season brings out their distinctive honey-sweet flavor.

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