Buffalo, NY · zone 6b · ~178 frost-free days
When to plant a garden in Buffalo.
In Buffalo, the typical last spring frost lands around Apr 28 and the first fall frost around Oct 23, giving you about 178 frost-free days. Cool-season crops go out before the last frost; warm-season crops wait until after it.
The 2026 windows
Sow dates for Buffalo, keyed to your frost.
| Crop | Start indoors | Spring sow / set out | Fall sow |
|---|---|---|---|
| Tomato, slicing | Mar 24 to May 24 | May 5 to Jul 5 | — |
| Lettuce, leaf | — | Mar 21 to May 5 | Aug 9 to Oct 8 |
| Carrot | — | Mar 21 to Apr 23 | Jul 28 to Aug 23 |
| Bush Bean | — | Apr 28 to Jun 18 | Jul 9 to Aug 11 |
| Cucumber, slicing | — | May 5 to Aug 4 | Jun 22 to Jul 23 |
| Pepper, bell | Apr 2 to May 24 | May 14 to Jul 5 | — |
| Kale | Feb 7 to Mar 7 | Mar 21 to Apr 18 | Jul 23 to Sep 7 |
| Spinach | — | Mar 7 to Apr 18 | Aug 9 to Sep 27 |
Buffalo sits in Zone 6b, but two gardens in the same city can be a week or two apart. The planner works from your ZIP code's frost dates, not the zone, so the dates land right for your block, not the metro average.
Build your Buffalo garden plan.
Tell the free planner what you want to eat and who you're feeding. It returns plant counts, spacing, and frost-safe sow dates for ZIP 14201 in about 60 seconds.