Right now
22°C / 72°F
Partly cloudy · wind 6 km/h · 66% RH
Soil (6 cm)
18°C / 65°F
Warm-season seeds go
Hardiness zone
5a
est. from 10-yr extreme low -27°C
Frost window
May 6 – Oct 27
~174 frost-free days · first frost in ~49 days
Sun
06:32 – 19:26
sunrise – sunset today
Moon
Waning Crescent
10% lit · solunar good · full 2026-09-26
7-day forecast
America/Toronto
Tue
Rain
22° / 15°
4 mm
Wed
Rain
21° / 15°
8.7 mm
Thu
Overcast
20° / 12°
dry
Fri
Overcast
19° / 7°
dry
Sat
Overcast
22° / 10°
dry
Sun
Drizzle
24° / 14°
1.2 mm
Mon
Drizzle
21° / 12°
1.2 mm
This week
AI field guide · refreshed weeklyOttawa Gardening: Early Fall Planting & Harvest (Sept 8–14). Ottawa Fall Fishing: September Transition. Early Fall Foraging in Ottawa: September Harvests.
Gardening
Ottawa Gardening: Early Fall Planting & Harvest (Sept 8–14)
Sow & harvest now
- Spinach (e.g., 'Space' or 'Bloomsdale')
- Arugula (Eruca sativa)
- Radish (e.g., 'Cherry Belle', 'Watermelon')
- Mâche (corn salad, Valerianella locusta)
Fishing
Ottawa Fall Fishing: September Transition
What's biting
- Largemouth Bass
- Smallmouth Bass
- Walleye
- Northern Pike
Foraging
Early Fall Foraging in Ottawa: September Harvests
In season now
- Wild Grapes (Vitis riparia, V. vulpina)
- Wild Raspberries & Blackberries (Rubus spp.)
- Autumn Olive (Elaeagnus umbellata)
- Highbush Cranberry (Viburnum opulus subsp. americanum)
Your ecological region
Great Lakes & St. Lawrence Lowlands
The mixed hardwood heartland of Ontario, Quebec, the Great Lakes states and northern New England. Four real seasons and rich soils.
Regional guide →Your hardiness zone
Zone 5a
Estimated from a 10-year average extreme low of -27°C. What grows, what bites and what to forage across your zone.
Zone guide →Get this guide for Ottawa every week
Frost warnings, what's biting, what's ripening. One email, Sunday evening.