Canada's Plant Hardiness Site

Agrostis gigantea Roth

redtop, black bentgrass, black bent, giant bentgrass

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Data Details

Number unique observations: 2504
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	6
3a	8
3b	6
4a	4
4b	2
5a	1
5b	1
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	66

USDA Zones
Zone	%
1	0
2	1
3	21
4	19
5	20
6	24
7	10
8	1
9	1
10	0
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	7.46	3.26	0.1	2.2	3.5	5.2	7.25	9.6	12.0	13.2	15.0	17.4	-2.2
Max Temperature of Warmest Period	27.78	2.93	19.9	22.8	24.1	26.0	27.9	29.7	31.7	32.4	33.9	36.7	17.9
Min Temperature of Coldest Period	-12.51	5.43	-25.5	-21.6	-19.3	-16.2	-12.4	-9.1	-6.2	-4.01	1.2	4.9	-29.4
Annual Precipitation	813.37	273.2	245.03	342.3	412.3	612.75	839.0	997.25	1159.0	1218.85	1384.91	1729.0	135.0
Precipitation of Warmest Quarter	238.74	89.18	27.0	59.0	96.0	176.0	266.0	308.0	331.0	339.0	353.97	468.0	7.0
Precipitation of Coldest Quarter	161.74	109.28	29.0	37.0	46.0	80.0	138.0	218.0	289.0	363.85	555.85	649.0	20.0