Curated Pomology Guide · Bloom Group 4

Blake's Pride Pear Pollination & Compatibility Guide

Blake's Pride pear pollination guide: Bloom Group 4 timing, high fire blight resistance, USDA breeding, and diploid partner selection.

Pomological Verdict & Botanical Profile

Blake's Pride is Self-Sterile (Needs 1 Diploid Partner)

Viable Pollen Donor (Reciprocal Pollinizer)

Blake's Pride 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 (Late-Spring)
Harvest Timing
Late (-7d from Conference)
Primary Uses:Dessert
Disease Resistance: Fire blight resistance equal to Seckel

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 Blake's Pride
Early Overlap
Group 3
Blake's Pride
Group 4
Late Overlap
Group 5

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

Compatible Pollination Partners (17)

Test in Checker
CultivarBloom GroupOverlap TypeHarvestPrimary UsesInteractive Test
Group 4Full Overlap
Late
±21d delta
Fresh Eating, CookingTest Cross
Group 4Full Overlap
Late
±21d delta
Fresh EatingTest Cross
Group 4Full Overlap
Late
±21d delta
Canning, CookingTest Cross
Group 4Full Overlap
Mid
±21d delta
Fresh Eating, StorageTest Cross
Group 3Full Overlap
Late
Concurrent (±0d)
Fresh Eating, CanningTest Cross
Group 3Full Overlap
Mid
Concurrent (±0d)
Fresh Eating, CanningTest Cross
Group 3Full Overlap
Mid
±7d delta
Fresh Eating, CanningTest Cross
Group 3Full Overlap
Mid
±7d delta
Fresh Eating, CookingTest Cross
Group 3Full Overlap
Late
±7d delta
Fresh Eating, CookingTest Cross
Group 3Full Overlap
Early
±7d delta
Fresh Eating, CanningTest Cross
Group 3Full Overlap
Early
±18d delta
Fresh EatingTest Cross
Group 3Full Overlap
Late
±21d delta
Fresh Eating, BakingTest Cross
Group 3Full Overlap
Late
±21d delta
Fresh EatingTest Cross
Group 3Full Overlap
Mid
±21d delta
Fresh EatingTest Cross
Group 3Full Overlap
Mid
±21d delta
Fresh Eating, StorageTest Cross
Showing top 15 of 17 compatible partners, ranked by bloom synchrony, recommendations, and harvest alignment. Explore the full supported partner list in the Fruit Tree Pollination Checker.

Incompatible Varieties & Exclusions (3)

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

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

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

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

Pomological Assessment: Fire Blight Resistance, Late Bloom & Dessert Sizing

Released in 1998 by the USDA-ARS Appalachian Fruit Research Station, Blake's Pride was bred to deliver the high dessert quality of classic European cultivars combined with field resistance to fire blight comparable to Seckel. The fruit is medium-to-large, rounded pyriform, and turns golden yellow with light russet specks as it matures.

Blake's Pride is a diploid cultivar blooming in Bloom Group 4 (late mid-season). It requires companion diploids flowering in the mid-to-late window, such as Harrow Sweet, Potomac, Comice, or Shenandoah. Its fertile pollen makes it an effective companion donor in fire-blight-resistant orchard blocks.

Trees exhibit a moderately upright canopy that opens gracefully under initial crop loads. Fruit is borne predominantly on spurs, and commercial plantings on OHxF rootstocks demonstrate dependable annual returns with minimal alternate bearing issues. Commercial trials indicate that Blake's Pride exhibits low incidence of internal breakdown or core browning during controlled-atmosphere storage, making it a reliable mid-winter marketing option for growers in regions with recurring fire blight pressure.

Key Orchard Considerations for Blake's Pride

Rootstock & Graft Compatibility

Performs exceptionally well on OHxF 87 rootstock, which provides semi-dwarf tree size and early, uniform spur development. Compatibility on Quince rootstocks is unproven; OHxF rootstocks are recommended.

Fire Blight & Disease Pressure

Bred specifically for high field resistance to fire blight (Erwinia amylovora). Shows excellent resistance to blossom blight and shoot strikes, significantly reducing chemical input requirements.

Harvest Window & Post-Harvest Handling

Matures mid-to-late season (approximately three weeks after Bartlett). Holds firmly on the tree, develops rich aromatic flavour upon ripening, and stores well in cold conditions for up to three months.

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