Kristin Sweet Cherry
Pollination & Compatibility Guide
Kristin cherry pollination guide: S-genotype (S3S4, Group III), compatible partners (Van, Rainier, Lapins), bloom overlap, and cold climate care.
Kristin is Self-Incompatible (Needs 1 Partner)
Kristin needs at least one compatible pollinizer from bloom group 2–4 to set a reliable crop.
- S-Genotype / Genetics
- S3S4 (Group III)
- Required Companions
- 1 Compatible Partner
- Bloom Group
- Group 3 (Mid-Spring)
- Harvest Timing
- Mid Season
Flowering Period & Overlap Window
Sweet and sour cherry flowering periods are classified into numbered bloom groups (1 through 5). Cross-pollination requires overlapping bloom timing between genetically compatible cultivars.
Any compatible cherry cultivar flowering within Group 2 to 4 provides matching blossom overlap.
Compatible Pollination Partners (17)
| Cultivar | Bloom Group | Overlap Type | Harvest | Primary Uses | Interactive Test |
|---|---|---|---|---|---|
| Group 3 | Adjacent Overlap | Mid | Fresh Eating | Test Cross | |
| Group 3 | Adjacent Overlap | Mid | Fresh Eating, Dessert | Test Cross | |
| Group 3 | Adjacent Overlap | Mid | Fresh Eating | Test Cross | |
SelahGuideUniversal Donor | Group 3 | Full Overlap | Mid | Fresh Eating | Test Cross |
StellaGuideUniversal Donor | Group 3 | Full Overlap | Mid | Fresh Eating, All-Purpose | Test Cross |
SunburstGuideUniversal Donor | Group 3 | Full Overlap | Mid | Fresh Eating | Test Cross |
| Group 3 | Adjacent Overlap | Mid | Fresh Eating, Canning | Test Cross | |
Attika | Group 4 | Adjacent Overlap | Late | Fresh Eating | Test Cross |
| Group 2 | Adjacent Overlap | Early | Fresh Eating | Test Cross | |
| Group 2 | Full Overlap | Early | Fresh Eating | Test Cross | |
| Group 2 | Adjacent Overlap | Early | Fresh Eating | Test Cross | |
| Group 2 | Full Overlap | Early-Mid | Fresh Eating | Test Cross | |
| Group 4 | Adjacent Overlap | Mid | Fresh Eating | Test Cross | |
LapinsGuideUniversal Donor | Group 4 | Full Overlap | Late | Fresh Eating, Canning | Test Cross |
SkeenaGuideUniversal Donor | Group 4 | Full Overlap | Late | Fresh Eating | Test Cross |
Incompatible Varieties & Exclusions (6)
These cherry varieties overlap in flowering time with Kristin but cannot fertilise it due to shared S-allele genetic incompatibility groups.
Bing shares both S-alleles with Kristin — they are mutually sterile, whatever their bloom overlap suggests.
Emperor Francis shares both S-alleles with Kristin — they are mutually sterile, whatever their bloom overlap suggests.
Ulster shares both S-alleles with Kristin — they are mutually sterile, whatever their bloom overlap suggests.
Utah Giant's S-genotype is not recorded. For this crop compatibility is computed from S-alleles, so it cannot be offered as a partner without one.
Vibrant's S-genotype is not recorded. For this crop compatibility is computed from S-alleles, so it cannot be offered as a partner without one.
Vindskörsbär (Victor)'s S-genotype is not recorded. For this crop compatibility is computed from S-alleles, so it cannot be offered as a partner without one.
Kristin Sweet Cherry Pollination & Cold-Climate Performance
Kristin is a celebrated dark sweet cherry bred at the Geneva Experiment Station in New York and rigorously evaluated in Norway for extreme cold climate suitability. Producing large, purplish-black fruit with rich, aromatic flesh and superior firmness, Kristin was selected specifically to bring reliable commercial sweet cherry production to cold-winter regions where tender western cultivars fail.
Genetically, Kristin carries the S3S4 genotype, placing it in Incompatibility Group III. Because it is gametophytically self-incompatible, it requires cross-pollination from a compatible S-allele group. It cannot be pollinated by fellow Group III cultivars like Bing, Ulster, or Emperor Francis, but cross-pollinates readily with Van (S1S3), Rainier (S1S4), Schmidt (S2S4), or self-compatible universal donors like Lapins (S1S4′).
Flowering reliably in Bloom Group 3 (mid-spring), Kristin blossoms with great profusion across spurs and one-year wood. Interplanting with cold-hardy pollinizers like Van, Skeena, or Lapins ensures consistent blossom overlap and dependable commercial fruit set even during delayed northern spring seasons.
Key Orchard Considerations for Kristin
Kristin offers superior fruit bud survival down to -25°F (-32°C), outperforming Bing and Rainier in northern orchard zones subject to severe mid-winter freezes.
Fruit skin exhibits moderate to high crack tolerance, allowing commercial growers to harvest high-packout yields in regions with frequent summer rainfall.
Train to a central leader or KGB system to maintain vigorous annual shoot growth, as older spurs can become blind if shaded by excessive upper canopy foliage.
Take Kristin 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 Kristin 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.