Braeburn Apple
Pollination & Compatibility Guide
Braeburn apple pollination requirements, bloom group 4 overlap, and compatible partners. Practical guide on spur management and Braeburn browning disorder.
Braeburn is Self-Sterile (Needs 1 Partner)
Braeburn 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 (+20d from Golden Delicious)
Flowering Period & Overlap Window
Apple flowering periods are classified into numbered bloom groups (1 through 6). A variety reliably cross-pollinates with cultivars in its own group or adjacent groups (±1 group).
Any compatible diploid apple flowering within Group 3 to 5 provides matching blossom overlap.
Compatible Pollination Partners (70)
| Cultivar | Bloom Group | Overlap Type | Harvest | Primary Uses | Interactive Test |
|---|---|---|---|---|---|
| Group 4 | Full Overlap | Late Concurrent (±0d) | All-Purpose, Storage | Test Cross | |
| Group 4 | Full Overlap | Late ±5d delta | Fresh Eating | Test Cross | |
| Group 4 | Full Overlap | Late ±5d delta | Fresh Eating | Test Cross | |
| Group 4 | Full Overlap | Late ±5d delta | Cooking | Test Cross | |
| Group 4 | Full Overlap | Late ±10d delta | Fresh Eating | Test Cross | |
| Group 4 | Full Overlap | Late ±10d delta | All-Purpose | Test Cross | |
Newtown Pippin | Group 4 | Full Overlap | Late ±10d delta | All-Purpose, Storage | Test Cross |
White Winter Pearmain | Group 4 | Full Overlap | Late ±10d delta | All-Purpose, Storage | Test Cross |
| Group 4 | Full Overlap | Late ±10d delta | All-Purpose, Cider | Test Cross | |
York Imperial | Group 4 | Full Overlap | Late ±10d delta | All-Purpose, Storage | Test Cross |
Beni Shogun | Group 4 | Full Overlap | Mid ±15d delta | Fresh Eating | Test Cross |
Lady Williams | Group 4 | Full Overlap | Very Late ±15d delta | Fresh Eating | Test Cross |
Tydeman's Late Orange | Group 4 | Full Overlap | Late ±15d delta | Fresh Eating | Test Cross |
| Group 4 | Full Overlap | Mid ±20d delta | All-Purpose | Test Cross | |
Melrose | Group 4 | Full Overlap | Late ±20d delta | All-Purpose, Storage | Test Cross |
Incompatible Varieties & Exclusions (18)
These varieties overlap in flowering time with Braeburn but cannot fertilise it due to sterile pollen (triploids) or shared genetic incompatibility alleles.
Arkansas Black produces no viable pollen, so it cannot serve as a pollinizer.
Ashmead's Kernel produces no viable pollen, so it cannot serve as a pollinizer.
Baldwin produces no viable pollen, so it cannot serve as a pollinizer.
Belle de Boskoop produces no viable pollen, so it cannot serve as a pollinizer.
Blenheim Orange produces no viable pollen, so it cannot serve as a pollinizer.
Bramley's Seedling produces no viable pollen, so it cannot serve as a pollinizer.
A direct parent (Royal Gala × Braeburn) — roughly half the pollen is non-functional, so it is not a reliable partner.
Fall Pippin produces no viable pollen, so it cannot serve as a pollinizer.
A direct parent (Delicious × Sturmer's Pippin (cross direction not established)) — roughly half the pollen is non-functional, so it is not a reliable partner.
A direct parent (Braeburn × Royal Gala) — roughly half the pollen is non-functional, so it is not a reliable partner.
Jonagold produces no viable pollen, so it cannot serve as a pollinizer.
Karmijn de Sonnaville produces no viable pollen, so it cannot serve as a pollinizer.
Mutsu (Crispin) produces no viable pollen, so it cannot serve as a pollinizer.
Orleans Reinette produces no viable pollen, so it cannot serve as a pollinizer.
A sport of a direct parent (Delicious × Sturmer's Pippin (cross direction not established)) — genetically identical to that parent, so roughly half its pollen is non-functional and it is not a reliable partner.
Spigold produces no viable pollen, so it cannot serve as a pollinizer.
Stayman Winesap produces no viable pollen, so it cannot serve as a pollinizer.
Zabergau Reinette produces no viable pollen, so it cannot serve as a pollinizer.
Grower Commentary: Braeburn Pollination, Precocious Yields & Health
Braeburn is a diploid, self-sterile cultivar discovered as a chance seedling in Hawke's Bay, New Zealand (c. 1952). Flowering in bloom group 4 (late mid-season), it produces fertile, viable pollen and cross-pollinates effectively with companion diploids such as Gala, Golden Delicious, Granny Smith, Honeycrisp, and Jonathan.
Breeding lineage and club exclusions: Braeburn is a foundational parent of premier modern club varieties, including Jazz (Braeburn × Gala) and Envy (Royal Gala × Braeburn). These cultivars share S-incompatibility alleles with Braeburn and must not be planted as solitary pollination partners.
Braeburn features a compact, semi-spur growth habit of moderate vigor and exceptional precocity. Young trees set fruit prolifically on 2-year-old wood. If not carefully crop-load managed during the establishment years, Braeburn trees can easily over-crop and stunt vegetative framework development ('runt-out').
Agronomically, Braeburn is susceptible to apple scab, fire blight, and calcium-related disorders. In post-harvest storage, it is uniquely sensitive to Braeburn Browning Disorder (BBD)—an internal CO2-induced browning that requires delayed controlled-atmosphere sealing and precise temperature pull-down regimes.
Key Orchard Considerations for Braeburn
Thin fruit strictly during early establishment years to prevent tree runt-out and secure balanced structural growth.
Exclude direct offspring Jazz and Envy as sole cross-pollination companions due to shared parental alleles.
Maintain rapid cooling with gradual atmospheric modification to avoid internal Braeburn browning disorder in storage.
Take Braeburn from Planning to Planting
Use Kropigo's free browser tools to model your block density, tree counts, and pollinizer rows, then maintain permanent orchard records row by row.
Pollination Checker
Check Braeburn against supported cultivars with compatible flowering and pollination data.
Commercial Block Planner
Calculate high-density tree spacing, row geometry, and establishment costs.
Block Record Keeping
Track pruning, chemical thinning, and harvest tallies block by block from the orchard.