Canada's Plant Hardiness Site

Asclepias viridiflora Raf.

green milkweed, short green milkweed,, green comet milkweed

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Data Details

Number unique observations: 3020
Zone range (Canada): 3a - 7b

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	0
3a	1
3b	1
4a	1
4b	1
5a	1
5b	1
6a	1
6b	1
7a	1
7b	1
8a	0
8b	0
9a	0
Outside Canada	94

USDA Zones
Zone	%
1	0
2	0
3	2
4	14
5	17
6	24
7	17
8	19
9	3
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	12.35	4.23	3.02	5.8	6.7	8.8	12.5	15.62	18.1	18.9	20.28	21.4	2.1
Max Temperature of Warmest Period	31.86	2.56	26.3	27.8	28.4	29.8	32.1	33.9	35.2	35.8	36.2	37.2	24.8
Min Temperature of Coldest Period	-7.67	6.21	-22.58	-18.6	-16.7	-11.6	-7.4	-2.6	0.3	1.5	3.8	6.8	-24.0
Annual Precipitation	885.24	304.85	337.0	400.0	442.0	642.75	893.0	1106.0	1273.1	1423.0	1496.81	1653.0	265.0
Precipitation of Warmest Quarter	256.81	61.03	123.0	153.95	179.0	199.0	274.0	308.0	326.0	335.0	356.0	446.0	86.0
Precipitation of Coldest Quarter	157.52	111.11	26.0	31.0	35.0	57.0	139.0	229.0	325.0	396.0	426.81	452.0	21.0