Curated Pomology Guide · Bloom Group 4

Comice (Doyenné du Comice) Pear Pollination & Compatibility Guide

Comice pear pollination guide: Bloom Group 4 timing, diploid companion choices, Quince rootstock affinity, and cold storage conditioning.

Pomological Verdict & Botanical Profile

Comice is Self-Sterile (Needs 1 Diploid Partner)

Viable Pollen Donor (Reciprocal Pollinizer)

Comice (Doyenné du Comice) needs at least one compatible pollinizer from bloom group 3–5 to set a reliable crop.

Chromosome Ploidy
Diploid (2n)
Required Companions
1 Diploid Partner
Bloom Group
Group 4 (Mid-Spring)
Harvest Timing
Late (+14d from Conference)
Primary Uses:Dessert
Disease Resistance: Susceptible to scab

Flowering Period & Overlap Window

Pear flowering periods are compressed into numbered bloom groups (1 through 4). Cross-pollination requires overlapping blossom timing between genetically compatible cultivars, with Asian pears flowering 7–14 days ahead of mid-season European varieties.

Flowering Overlap Range for Comice
Early Overlap
Group 3
Comice
Group 4
Late Overlap
Group 5

Any compatible diploid pear flowering within Group 3 to 5 provides matching blossom overlap.

Compatible Pollination Partners (14)

Test in Checker
CultivarBloom GroupOverlap TypeHarvestPrimary UsesInteractive Test
Group 4Full Overlap
Late
Concurrent (±0d)
Fresh Eating, CookingTest Cross
Group 4Full Overlap
Late
Concurrent (±0d)
Canning, CookingTest Cross
Group 4Full Overlap
Mid
Concurrent (±0d)
Fresh Eating, StorageTest Cross
Group 4Full Overlap
Late
±21d delta
Fresh Eating, StorageTest Cross
Group 3Full Overlap
Late
Concurrent (±0d)
Fresh Eating, BakingTest Cross
Group 3Full Overlap
Late
Concurrent (±0d)
Fresh EatingTest Cross
Group 3Full Overlap
Mid
Concurrent (±0d)
Fresh Eating, StorageTest Cross
Group 3Full Overlap
Late
±14d delta
Fresh Eating, CookingTest Cross
Group 3Full Overlap
Late
±21d delta
Fresh Eating, CanningTest Cross
Group 3Full Overlap
Mid
±21d delta
Fresh Eating, CanningTest Cross
Group 3Full Overlap
Mid
±28d delta
Fresh Eating, CanningTest Cross
Group 3Full Overlap
Early
±28d delta
Fresh Eating, CanningTest Cross
Group 3Full Overlap
Early
±39d delta
Fresh EatingTest Cross
Group 3Full Overlap
Mid
±42d delta
Fresh EatingTest Cross

Incompatible Varieties & Exclusions (6)

These pear varieties overlap in flowering time with Comice but cannot fertilise it due to non-viable pollen (male-sterile diploids), direct parentage exclusions, or shared incompatibility alleles.

A direct parent (Doyenné du Comice × Conference) — roughly half the pollen is non-functional, so it is not a reliable partner.

Gourmet produces no viable pollen, so it cannot serve as a pollinizer.

A direct parent (Bartlett × Doyenné du Comice) — roughly half the pollen is non-functional, so it is not a reliable partner.

A direct parent (Giant Seckel × Doyenné du Comice) — roughly half the pollen is non-functional, so it is not a reliable partner.

A sport of the same cultivar — genetically identical, so it carries the same incompatibility alleles and cannot pollinate it.

Warren produces no viable pollen, so it cannot serve as a pollinizer.

Pomological Assessment: Elite Dessert Quality, Late Flowering & Chilling Needs

Raised in Angers, France, in the 1840s, Doyenné du Comice is universally acknowledged as the pinnacle of dessert pears. The fruit is large, broad-shouldered, and delicate, with extraordinarily fine, buttery, melting flesh that yields an abundance of sweet, perfumed juice without a trace of grit.

Comice is completely self-incompatible and flowers slightly later than the European average, placing it in Bloom Group 4. To secure commercial crops, it must be interplanted with late-midseason or late-flowering diploids, such as Conference, Concorde, Beurré Bosc, or Harrow Sweet. Its delicate skin and susceptibility to wind-scuffing require sheltered orchard blocks with adequate windbreak protection.

Tree habit is naturally vigorous and upright, with a tendency toward slow, delayed bearing on standard seedling stocks. Selecting dwarfing rootstocks like Quince C and applying branch spreading or notch pruning induces earlier flowering spurs. Fruit clusters must be carefully thinned to avoid branch rub and fruit limb scarring. Additionally, Comice foliage requires careful monitoring during spring shoot extension, as succulent new growth is attractive to pear psylla and susceptible to early scab spores in high-humidity microclimates.

Key Orchard Considerations for Comice

Rootstock & Graft Compatibility

Comice displays excellent direct affinity with Quince rootstocks. Planting on Quince A or Quince C is the commercial standard in Europe, as it tempers the tree's natural vigour, encourages branching, and accelerates the onset of bearing.

Fire Blight & Disease Pressure

Moderately susceptible to fire blight and highly prone to pear scab (Venturia pyrina). Because the skin is thin and tender, russeting sprays and copper formulations must be used with care during early fruitlet cell division.

Harvest Window & Post-Harvest Handling

Harvested late in the season while still hard green (4.5–5.5 kg/cm² or 10–12 lbs). Comice requires 30 to 60 days of cold storage conditioning at -0.5°C before it can ripen to its signature melt-in-the-mouth consistency.

    We use cookies to improve Kropigo

    We’d like to use Google Analytics to understand how the site is used so we can make it better. No advertising, ever. Privacy policy.