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Emergence Summary

GARDEN FERN EMERGENCE DATES

NAME	93	94	95	96	97	98	99	00	01	02	03	04	05	06	∑	yr	Av	#
Polypody IV	4B	4A	3D	3D	3D	3E	3D	3B	4B	3C	4C	4B	4A	4A	6.9	14	0.5	1
Maidenhair	4B	4A	4A	4A	4A	3E	4A	3D	4A	4A	4A	4A	4A	4A	12.9	14	0.9	2
Coastal Wood	-	-	-	-	-	-	4A	3E	4B	4B	4A	3D	x	-	5.9	6	1	3
Polypody III	-	-	-	-	-	-	4A	x	-	-	-	-	-	-	1	1	1	4
Japanese Painted hybrid														4A	1	1	1.0	5
Fragile	-	4B	4A	4A	3E	4A	4A	3D	4B	4A	4B	3E	4A	4B	14.2	13	1.1	6
Interrupted	4A	4B	4B	4A	4B	3E	4A	3D	4B	4B	4A	4B	4A	4A	17.9	14	1.3	7
Purple Cliff-brake	-	-	-	-	-	-	-	4B	4A	3B	4D	4D	4A	3E	9.9	7	1.4	8
Bulblet	4B	4A	4A	4C	3E	3E	4A	4A	4B	4B	4B	4B	4A	4B	20.6	14	1.5	9
Polypody II	-	-	-	-	-	4A	4B	3D	4C	3D	4D	4C	4A	4A	14.2	9	1.6	10
Sensitive	4A	3D	4A	4C	4A	3E	4B	3E	4B	4B	4C	4C	4C	4B	23.2	14	1.7	11
Blunt Woodsia	-	-	-	-	-	-	4B	3D	4A	?	4B	4D	x	-	8.6	5	1.7	12
Hayscented	4C	4C	4A	4B	4B	4A	4A	3E	4B	4B	4C	4B	4A	4A	24.3	14	1.7	13
Spinulose Wood	4C	4A	4A	4A	4A	4B	4C	4A	4C	4B	3D	4C	4C	4C	26.6	14	1.9	14
Christmas	4B	4B	4C	4C	4C	4A	4A	4A	4C	4A	4C	4B	4B	4B	29	14	2.1	15
Long Beech	4C	4C	4C	4C	4B	4A	4A	4A	4B	4B	4D	4C	4B	4C	33	14	2.4	16
New York	4C	4C	4C	4C	4C	4A	4B	4A	4B	4B	4D	4C	4A	4B	33	14	2.4	17
Royal	4C	4C	4D	4C	4D	4A	4B	4A	4B	4C	4C	4B	4B	4B	35	14	2.5	18
Limestone Oak	-	-	4B	4C	4C	4A	4A	4A	4D	4C	4C	4C	4C	4D	31	12	2.6	19
Japanese Painted	4C	4C	4C	4C	4C	4B	4B	3E	4D	4B	4D	4C	4B	4B	36.3	14	2.6	20
Boott’s Wood											4B	4C	4C	4C	11	4	2.8	21
Ostrich	4C	4B	4D	4D	4D	4B	4C	3E	4C	4C	4D	4C	4C	4B	40.3	14	2.9	22
Lady	4C	4C	4C	4D	4D	4B	4C	4A	4D	4C	4C	4C	4C	4C	42	14	3.0	23
Narrow Glade	-	-	-	-	4D	4C	4C	4A	4D	4C	4D	4C	4C	4C	31	10	3.1	24
Marsh	-	-	-	-	-	4B	4C	4C	4D	4B	4D	4D	4C	4C	28	9	3.1	25
Ebony Spleenwort	4C	4D	4C	4D	4D	4B	4B	4B	4D	4C	4D	4D	4C	4C	45	14	3.2	26
Cinnamon	4C	4D	4D	4D	4D	4C	4C	4B	4D	4C	4D	4C	4B	4B	45	14	3.2	27
Tokyo Wood	-	-	-	-	-	-	4B	4B	4D	4C	x	5A	x	-	16.3	5	3.3	28
Log	-	-	-	-	-	4B	4B	4B	4D	4C	4E	4D	4D	4D	29.6	9	3.3	29
Massachusetts	-	-	-	-	-	4B	4C	4B	5A	-	4E	4C	x	-	19.9	6	3.3	30
Oak	5A	4C	5A	-	4C	4A	4D	4B	4C	4C	4D	4C	4C	4C	42.6	13	3.3	31
Silvery Glade	4C	4C	4D	4D	4D	4C	4C	4C	4D	4C	4D	4C	4C	4C	47	14	3.4	32
Tassel	-	-	5D	4D	4D	4A	4B	4B	4D	4B	x	-	-	-	27.3	8	3.4	33
Northern Wood												+	4C	4D	7	2	3.5	34
Southern Bladder												+	4D	4C	7	2	3.5	35
Crested Wood	4C	4D	4D	4D	5A	4C	4B	4C	4D	4C	4C	4D	4D	4D	50.3	14	3.6	36
Evergreen Wood	4C	4C	4C	4D	4D	4C	4D	4C	4D	4C	5A	4D	4D	4D	51.3	14	3.7	37
Maidenhair Spleenwort										4C	4D	x	-	4D?	11	3	3.7	38
Dixie Wood	-	-	-	-	-	-	-	-	4D	4C	4D	4D	4D	4C	22	6	3.7	39
Autumn	-	-	-	4D	4D	4B	4B	3E	4D	4C	5D	5C	4C	4C	40.6	11	3.7	40
Clinton's Wood	-	-	-	-	-	-	4D	4A	4D	4C	5A	4D	4D	5A	30.6	8	3.8	41
Braun's Holly	-	-	-	-	-	-	4B	5A	4D	4B	4D	5B	4C	4D	30.6	8	3.8	42
Broad Buckler												+	4D		4	1	4	43
Western Sword	-	-	-	-	4D	4C	4E	4B	5A	4C	5A	5B	4D	4C	40.5	10	4.1	44
Aleutian Maidenhair	-	-	-	-	-	-	-	4B	5B	x	-	-	-	-	8+	2	4.2	45
Mountain Wood	-	-	-	-	-	-	4E	4C	5A	4D	4E	4D	4D	4C	29.5	7	4.2	46
Hairy Lipfern	-	-	4E	5B	4E	4C	5A	x	-	-	-	5A	4D	4C	36.1	8	4.5	47
D. crassirhizoma	-	-	-	-	-	4B	4E	4D	5A	~	5A	4E	5A	5A	36.4	8	4.6	48
A. pinnatifidum	-	-	-	-	-	-	5B	4C	x	-	-	-	-	-	9.3	2	4.7	49
Netted Chain	-	-	-	-	-	4D	-	-	-	-	5A	4E	x	-	14	3	4.7	50
Japanese Holly	-	-	-	-	-	-	-	-	4D	4C	5C	5C	4D	4D	29.6	6	4.9	51
Parsley										4E	5B	4D	4E	5A	24.8	5	5.0	52
Hart’s Tongue										4B	5D	x	-	-	10	2	5.0	53
Marginal Wood	4D	4D	5B	5A	5B	4D	5A	4D	5C	5A	5A	4E	4E	4D	70.3	14	5.0	54
Goldie’s Wood	4D	4C	4D	5A	5A	5A	5B	5B	5A	5A	5A	5A	5A	5A	71.3	14	5.1	55
Broad Beech	4D	4D	4C	4D	4D	4C	4D	4B	4D	6a!	5C	5C	6B		67	13	5.2	56
Walking											5A	x	-	-	5.3		5.3	57
Male	-	-	-	-	5B	6D	5D	4D	4D	4D	4D	5A	4D	4D	56.6	10	5.7	58
Champion's Wood	-	-	-	-	-	-	4D	5B	5B	5B	x	-	-	-	23	4	5.7	59
Scott's Spleenwort	-	-	-	-	-	-	-	-	5D	x	-	-	-	-	8		8	60
Holly										6B	x	-	-	-	11	1	11	61
Black Wood											+	x	-	-				62

4A=1 5A=5.3 6A=9.7

3B=-2.4 4B=2 5B=6.3 6B=10.7

3C=-1.4 4C=3 5C=7.3

3D=-.4 4D=4 5D=8.3

3E=.3 4E=4.6 5E=9

The table shows the week of emergence for fern taxa each year e.g. 5B is the second week of May.

Emergence is defined as the bottom of the fiddlehead curl clearing the ground.

Allston (Boston) MA USA zone 6B

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Emergence Summary