Last Frost Date Vaughan — April 26 (Zone 6b)
Last frost date Vaughan: April 26 for the central core (Zone 6b). Thornhill/Concord south runs 2–3 days earlier; Maple/Kleinburg/Vellore Village north 3–5 days later.
Last frost date Vaughan 2026: April 26 (Zone 6b). Thornhill, Concord (south): April 23–26. Maple, Vellore Village (north): April 28–May 2. Kleinburg (NW): April 30–May 4. Wait until May 5–15 to transplant tomatoes, peppers, and basil. Source: Environment and Climate Change Canada (1991–2020).
Vaughan Neighbourhoods
| Area | Last Frost |
|---|---|
| Thornhill (south, bordering Toronto) | April 23–26 |
| Concord (south-central) | April 24–27 |
| Woodbridge (south) | April 24–27 |
| Vaughan Mills / Highway 7 corridor | April 26–30 |
| Maple (north-central) | April 28–May 2 |
| Vellore Village (north) | April 28–May 2 |
| Kleinburg (northwest) | April 30–May 4 |
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Frost Blanket / Row Cover
Vaughan can drop to -3°C in late April. A 2.4×9m frost blanket protects an entire raised bed.
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