AMSEED American Seed Intelligence Platform
Tomato comparison

Stupice vs Early Girl

The cold-tolerant Czech heirloom against the American early hybrid.

Stupice Early Girl
Breeding Heirloom F1 hybrid
Growth habit Indeterminate Indeterminate
Days to maturity 55-65 57-60
Fruit color red red
Fruit size class saladette medium
Typical weight 2-3 oz 4-6 oz
Primary uses slicing, snacking slicing
Introduced - -
Documented resistances 0 2
Saves true from seed Yes No (F1)

Measured against each other

These two have never been grown in the same trial AMSeed holds. Every difference in the table above is a difference between what each variety's own sources say about it, which is not the same as a difference between the varieties. Two catalogs counting days from different starting points, or reporting fruit weight from different seasons and soils, can differ by more than the seed does.

Disease resistance

Stupice

No documented resistance, typical of older open-pollinated varieties.

Early Girl

Verticillium WiltV · resistant

Traits

Only Stupice

  • Heirloom
  • Open-Pollinated
  • Saladette

Only Early Girl

  • F1 Hybrid
  • Medium Slicer

Origins

Stupice

A Czech-bred, potato-leaf early tomato that reached American growers in the 1970s seed exchanges. Cold-tolerant and absurdly early for real tomato flavor; a Pacific Northwest staple.

Early Girl

The early-season standard since the 1970s, introduced to America through Burpee. Famous twice over: as the first ripe tomato in millions of gardens, and as the dry-farmed signature crop of Northern California market farms.

Sources & References

Evidence: 5 sources, 4 seed catalogs and 1 community collection. No independent reference documents this yet.

  1. Territorial Seed catalog · Territorial Seed Company, Seed Catalog
  2. Victory Seeds variety histories · Victory Seed Company, Seed Catalog
  3. Vegetable Varieties for Gardeners · Cornell University Cooperative Extension, Community Collection
  4. Burpee catalog · W. Atlee Burpee & Co., Seed Catalog
  5. Tomato Growers Supply catalog · Tomato Growers Supply Company, Seed Catalog