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When to plant / New York

When to plant squash (summer) in New York

It’s based on areas with last spring frost around May 20 and first fall frost around October 1. Dates below are the outdoor ranges printed in that table, not a conversion into weeks before frost.

Source: Cornell University, Cornell Vegetables, Vegetable planting dates for Upstate New York, retrieved 2026-10-10.

How this page reads that source: The table prints two rows, both named Squash (summer): May 25→ through Jul 15, and May 25→ through Jun 20.

Upstate

  • May 25–Jul 15 (May 25–July 15).
  • May 25–Jun 20 (May 25–June 20).

City frost pages in New York are listed on New York.