Canada's Plant Hardiness Site

Campanula medium L.

Canterbury bellflower, Canterbury bells, cup-and-saucer

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Data Details

Number unique observations: 58
Zone range (Canada): 1b - 9a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	0
1a	0
1b	1
2a	1
2b	1
3a	1
3b	1
4a	2
4b	1
5a	1
5b	2
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	86

USDA Zones
Zone	%
1	0
2	0
3	1
4	6
5	18
6	29
7	17
8	17
9	7
10	1
11	0
12	0
13	0

Bioclimatic profile

name	mean	S.D.	1%	5%	10%	25%	50%	75%	90%	95%	99%	maximum	minimum
Annual Mean Temperature	9.69	4.37	1.47	4.24	5.14	6.72	9.55	10.98	14.08	18.74	21.84	21.9	-0.7
Max Temperature of Warmest Period	27.76	4.58	18.93	22.92	23.24	24.6	27.65	29.72	31.96	36.62	41.13	41.3	14.6
Min Temperature of Coldest Period	-6.29	6.26	-17.1	-14.94	-13.93	-11.18	-7.75	0.02	0.92	3.33	5.41	7.8	-18.3
Annual Precipitation	926.09	364.48	205.53	232.8	365.6	766.5	949.5	1154.5	1293.1	1520.45	1745.55	1965.0	189.0
Precipitation of Warmest Quarter	184.4	94.64	19.69	43.05	60.4	103.75	174.5	257.75	305.9	322.75	349.18	364.0	10.0
Precipitation of Coldest Quarter	281.07	185.73	43.42	65.85	74.4	155.75	227.0	380.75	567.1	657.15	739.23	831.0	40.0