Canada's Plant Hardiness Site

Ruppia maritima L.

sea ditchgrass, beaked ditchgrass, tassel pondweed

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Data Details

Number unique observations: 559
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	5
3a	6
3b	4
4a	3
4b	2
5a	1
5b	1
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	71

USDA Zones
Zone	%
1	0
2	1
3	16
4	14
5	14
6	18
7	11
8	12
9	8
10	1
11	1
12	0
13	0

Bioclimatic profile

name	mean	S.D.	1%	5%	10%	25%	50%	75%	90%	95%	99%	maximum	minimum
Annual Mean Temperature	12.18	6.83	0.09	3.09	4.4	6.0	10.8	18.6	22.4	23.2	24.4	25.1	-2.0
Max Temperature of Warmest Period	28.5	5.04	17.16	20.57	22.4	24.5	28.2	32.65	34.4	36.41	40.43	42.4	14.0
Min Temperature of Coldest Period	-4.25	10.13	-26.22	-20.9	-18.82	-12.0	-4.5	4.75	8.1	10.41	12.94	16.1	-28.8
Annual Precipitation	922.39	475.0	111.0	225.9	299.8	499.5	1008.0	1276.0	1502.6	1608.3	2042.84	2512.0	81.0
Precipitation of Warmest Quarter	230.96	156.01	8.0	10.0	18.0	89.0	259.0	301.0	459.2	542.2	611.84	648.0	6.0
Precipitation of Coldest Quarter	244.5	156.36	31.0	43.0	51.0	108.5	251.0	333.5	420.0	543.6	745.68	833.0	18.0