Gala Apple
Pollination & Compatibility Guide
Gala apple pollination requirements, bloom timing, and compatible partners. Essential pomological guide covering heavy fruit set and scab management.
Gala is Self-Sterile (Needs 1 Partner)
Gala needs at least one compatible pollinizer from bloom group 2–4 to set a reliable crop.
- Chromosome Ploidy
- self sterile
- Required Companions
- 1 Diploid Partner
- Bloom Group
- Group 3 (Mid-Spring)
- Harvest Timing
- Early Season
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 2 to 4 provides matching blossom overlap.
Compatible Pollination Partners (85)
| Cultivar | Bloom Group | Overlap Type | Harvest | Primary Uses | Interactive Test |
|---|---|---|---|---|---|
| Duchess of Oldenburg | Group 2 | Full Overlap | Early | Cooking | Test Cross |
| Golden Russet | Group 2 | Full Overlap | Late | Cider, All-Purpose | Test Cross |
| Haralson | Group 2 | Full Overlap | Late | All-Purpose | Test Cross |
| Idared | Group 2 | Full Overlap | Late | All-Purpose, Storage | Test Cross |
| Jersey Mac | Group 2 | Full Overlap | Early | Fresh Eating | Test Cross |
| Jonamac | Group 2 | Full Overlap | Early | All-Purpose | Test Cross |
| Liberty | Group 2 | Full Overlap | Mid | All-Purpose | Test Cross |
| Lodi | Group 2 | Full Overlap | Early | Cooking | Test Cross |
| Macoun | Group 2 | Full Overlap | Mid | Fresh Eating | Test Cross |
| McIntosh | Group 2 | Full Overlap | Mid | All-Purpose | Test Cross |
| Mollie's Delicious | Group 2 | Full Overlap | Early | Fresh Eating | Test Cross |
| Pristine® | Group 2 | Full Overlap | Early | Fresh Eating | Test Cross |
| Redfree | Group 2 | Full Overlap | Early | Fresh Eating | Test Cross |
| Roxbury Russet | Group 2 | Full Overlap | Late | All-Purpose, Cider | Test Cross |
| Sansa | Group 2 | Full Overlap | Early | Fresh Eating | Test Cross |
Incompatible Varieties & Exclusions (18)
These varieties overlap in flowering time with Gala 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 (Kidd's Orange Red × Golden Delicious) — roughly half the pollen is non-functional, so it is not a reliable partner.
Gravenstein produces no viable pollen, so it cannot serve as a pollinizer.
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.
A direct parent (Kidd's Orange Red × Golden Delicious) — roughly half the pollen is non-functional, so it is not a reliable partner.
Mutsu (Crispin) produces no viable pollen, so it cannot serve as a pollinizer.
Ribston Pippin produces no viable pollen, so it cannot serve as a pollinizer.
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.
Tompkins King 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: Gala Pollination, Sizing & Health
Gala (along with its red bud sports such as Royal Gala) is a diploid, self-sterile cultivar flowering in bloom group 3–4 with an extended, prolific blossom period. Producing abundant, highly viable pollen, Gala serves as one of the most reliable and versatile pollinizers in commercial apple orchards.
Cross-pollination is readily achieved when paired with compatible diploids such as Honeycrisp, Cox's Orange Pippin, Discovery, Jonathan, or Granny Smith. Because Gala sets heavy clusters with high natural fruit set, aggressive early-season thinning is required to ensure fruit reaches commercial size grades and to prevent tree exhaustion.
Agronomically, Gala is susceptible to apple scab (Venturia inaequalis) and fire blight (Erwinia amylovora). In warm, humid spring conditions, secondary blossoms (rat-tail bloom) are particularly vulnerable to fire blight infection, requiring careful blossom monitoring and targeted preventative treatments.
Parentage considerations: Gala was bred from Kidd's Orange Red × Golden Delicious and is a parent of Jazz (Braeburn × Royal Gala). Golden Delicious, Kidd's Orange Red, and Jazz are partially incompatible due to shared S-alleles and should not be relied upon as exclusive cross-pollination partners.
Key Orchard Considerations for Gala
Produces abundant viable pollen over an extended flowering window, making Gala an outstanding partner for mid-season commercial blocks.
Sets heavy multiple clusters per spur; early hand-thinning to single fruit is critical to achieve market-demanded fruit diameter.
High susceptibility to fire blight through blossom strikes requires prompt removal of late secondary flowers in warm spring weather.
Take Gala from Planning to Planting
Use Kropigo's free browser tools to model your block density, tree counts, and pollinizer rows, then maintain permanent field records row by row.
Pollination Checker
Test Gala against custom candidate lists across all 439 varieties.
Commercial Block Planner
Calculate high-density tree spacing, row geometry, and establishment costs.
Field Record Keeping
Track pruning, chemical thinning, and harvest tallies block by block from the field.