Last Frost Date Pickering — April 22 (Zone 6b)
Last frost date Pickering: April 22 for the central core (Zone 6b). Lakeshore neighbourhoods (Bay Ridges, Frenchman's Bay) benefit from Lake Ontario moderation; north Pickering (Seaton, Claremont) runs 5–10 days later toward the Oak Ridges Moraine.
Last frost date Pickering 2026: April 22 (Zone 6b). Bay Ridges, Frenchman's Bay (lakeshore): April 18–21. Amberlea, Liverpool (central): April 21–25. Seaton, Claremont (rural north): April 27–May 5. Wait until May 1–10 to transplant tomatoes (mid-May north). Source: Environment and Climate Change Canada (1991–2020).
Pickering Neighbourhoods
| Area | Last Frost |
|---|---|
| Bay Ridges (lakeshore south) | April 18–21 |
| Frenchman's Bay, West Shore, Rosebank | April 18–23 |
| Liverpool (south-central) | April 21–24 |
| Amberlea (central) | April 22–25 |
| Brock Ridge, Dunbarton, Highbush | April 23–27 |
| Seaton (new north development) | April 27–May 2 |
| Greenwood, Claremont, Whitevale (rural north) | April 30–May 8 |
Pickering can drop to -3°C in late April, colder in the rural north. A 2.4×9m frost blanket protects an entire raised bed.
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