Canada's Plant Hardiness Site

Alcea rosea L.

common hollyhock, Antwerp hollyhock, stockrose

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Data Details

Number unique observations: 1362
Zone range (Canada): 2b - 9a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	0
1a	0
1b	0
2a	0
2b	1
3a	1
3b	2
4a	2
4b	1
5a	1
5b	1
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	4
4	17
5	19
6	26
7	14
8	13
9	4
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	9.93	3.91	2.5	4.0	5.2	7.0	9.7	12.1	15.89	17.3	19.04	20.8	0.5
Max Temperature of Warmest Period	29.25	3.1	22.7	24.6	25.4	27.0	29.0	31.3	33.5	35.0	36.74	37.8	20.8
Min Temperature of Coldest Period	-8.5	6.6	-22.38	-18.2	-16.7	-12.6	-9.4	-5.12	1.7	3.4	6.68	7.9	-24.3
Annual Precipitation	794.82	312.97	234.22	302.0	359.1	487.25	864.5	1029.75	1169.9	1232.9	1393.78	1680.0	152.0
Precipitation of Warmest Quarter	205.44	109.49	6.0	10.0	18.0	109.0	241.5	298.0	321.0	335.0	358.0	475.0	4.0
Precipitation of Coldest Quarter	189.63	117.59	28.0	36.0	45.0	104.0	180.0	250.0	326.8	433.0	555.51	598.0	24.0