Ontario Plant Hardiness Zone Map Based on the USDA Hardiness Zone Map Designations, this interactive version covers the Province of Ontario which ranges from USDA Zone 0b to USDA Zone 7a.
Contents
What climate zone is Toronto in?
Downtown Toronto sits in a pocket of the humid continental climate (Köppen climate classification Dfa) zone found at the southwestern end of Lake Ontario covering the southern part of the city — including downtown (but excluding the Toronto Islands), where the annual average temperature exceeds 9 °C (48 °F).
What climate zone is Kingston Ontario?
zone 6a
Parts of Kingston are certainly zone 6a (especially near the lake). Most of Ottawa is zone 5a, and Toronto is zone 6a. Most plants actually have a range of zones they can live in, usually spanning 4-5 zones.
What climate zone is Windsor Ontario?
zone 7
For example, Detroit, Michigan is in USDA hardiness zone 6, whereas Windsor, Ontario, literally a stone’s throw away, is in Canadian zone 7.
What climate zone is Waterloo Ontario?
5a
Ontario
| 1961-1990 zone | 1981-2010 hardiness index | |
|---|---|---|
| Wasaga Beach | 5b | 60 |
| Washago | 4b | 55 |
| Waterford | 6a | 64 |
| Waterloo | 5a | 59 |
What growing zone is St Catharines Ontario?
Zone 7
Catharines. It lies just below the Niagara Escarpment, about 1 mile from Lake Ontario. Thus the area is considered a Plant Zone 7 (old Canadian Plant Hardiness Zone Map).
What plant zone is Ottawa Ontario?
zone 5a
The hardiness map of Canada divides the country into 9 zones (0-8, 0 being the coldest zone and 8 the warmest). Each zone consists of 2 sub-zones (a and b, a being the coldest and b the warmest). For example, Edmonton is located in zone 3a, Winnipeg is in zone 2b and Ottawa is in zone 5a.
What growing zone is Whitehorse Yukon?
1a
Yukon Territory/Territoire du Yukon
| 1961-1990 zone | 1981-2010 hardiness index | |
|---|---|---|
| Watson Lake | 1a | 16 |
| Whitehorse | 1a | 16 |
What growing zone is Guelph Ontario?
zone 5b
Our geographic area covers Guelph, Fergus, Elora, Rockwood, Mount Forest, Arthur, Erin and Wellington County (plant hardiness zone 5b).
What growing zone is Sudbury Ontario?
zone 4a & 3b
Sudbury lies within plant hardiness zone 4a & 3b. Soils are typically shallow, stony podzols and have historically been highly acidic and require agricultural lime and tile drainage to be productive.
What growing zone is Sarnia Ontario?
Zone 6b
North America is divided into climatic zones as shown on a hardiness zone map. Sarnia-Lambton is placed in Zone 6b. Thunder Bay and Calgary are in Zone 3, while Victoria B.C. sits in Zone 8.
What is the difference between zone 5a and 5b?
Zone 5: The minimum average range of temperatures is -10° to -20°F. Zone 5a: This subzone has a minimum average temperature of -15° to -20° F. Zone 5b: This subzone has a minimum average temperature of -10° to -15°F.
What growing zone is Peterborough Ontario?
5a
Ontario
| 1961-1990 zone | 1981-2010 hardiness index | |
|---|---|---|
| Perth | 4b | 55 |
| Petawawa | 4a | 46 |
| Peterborough | 5a | 56 |
| Petrolia | 6a | 66 |
What growing zone is Sault Ste Marie Ontario?
4a
Ontario
| 1961-1990 zone | 1981-2010 zone | |
|---|---|---|
| Sault Ste. Marie | 4a | 5a |
| Schomberg | 5a | 5b |
| Schreiber | 2b | 3a |
| Scotland | 5b | 6a |
What growing zone is Uxbridge Ontario?
5b
Ontario
| 1961-1990 zone | 1961-1990 hardiness index | |
|---|---|---|
| Acton | 5a | 52 |
| Ailsa Craig | 6a | 61 |
| Ajax | 5b | 59 |
| Alban | 4a | 42 |
What growing zone is Owen Sound Ontario?
Zone 6a
List of Plant Hardiness Zones for Cities and Towns in Ontario
| Location | Hardiness Zone |
|---|---|
| Orillia | Zone 5b: -15°F to -10°F |
| Oshawa | Zone 6a: -10°F to -5°F |
| Ottawa | Zone 5b: -15°F to -10°F |
| Owen Sound | Zone 6a: -10°F to -5°F |
What planting zone is Oakville Ontario?
Zone 6
Oakville is in plant hardiness Zone 6. This means you need to use plants that can survive a minimum temperature of -23°C. Choose plants labelled hardy to Zone 6 or less.
What growing zone is Muskoka?
zone 4a
Muskoka lies in plant hardiness zone 4a and lies mainly in climate zone E, with some in zone D & F.
What planting zone is Mississauga Ontario?
The hardiness zones differ even within the greater Toronto area, where Mississauga and Oakville fall into zone 6b (going up the scale from zone 6a in the late sixties when the first Canadian hardiness map was created), Brampton 6a (change from 5b) and Etobicoke 7a (change from 6a).
What zone is London Ontario for planting?
Zone 5a
In London, we are in Zone 5a, which means we can grow most plants from zones 3, 4a, 4b and 5a. Q: How are hardiness zones determined?
What plant zone is Richmond Hill Ontario?
Zone 5B
The database contains 105 tree species (85 deciduous, 20 coniferous) known to be hardy in Plant Hardiness Zone 5B (Richmond Hill) and generally tolerant of cultivation in non-forest (i.e., urban and suburban) conditions.
