GARDEN FERN EMERGENCE SUMMARY, by week
|
|
1993 |
94 |
95 |
96 |
97 |
98 |
99 |
2000 |
01 |
02 |
03 |
04 |
05 |
06 |
07 |
08 |
09 |
10 |
11 |
∑ |
% |
%/ day |
‘07 |
‘10 |
|
3- |
|
|
|
|
|
|
|
1 |
|
2 |
|
|
|
|
|
|
0 |
1 |
0 |
4 |
.5 |
.1 |
|
0.3 |
|
3D |
|
1 |
1 |
1 |
1 |
|
1 |
5 |
|
1 |
1 |
1 |
|
|
|
|
0 |
5 |
0 |
18 |
2.4 |
0.3 |
|
1.7 |
|
3E |
|
|
|
|
2 |
5 |
|
6 |
|
|
|
1 |
|
1 |
|
|
1 |
3 |
1 |
20 |
2.6 |
0.9 |
|
2.3 |
|
4A |
2 |
4 |
6 |
4 |
3 |
10 |
10 |
10 |
3 |
3 |
3 |
1 |
9 |
6 |
2 |
1 |
8 |
15 |
6 |
106 |
14.0 |
2.0 |
.6 |
5.0 |
|
4B |
4 |
4 |
2 |
1 |
3 |
10 |
13 |
11 |
10 |
13 |
4 |
6 |
5 |
9 |
1 |
12 |
7 |
8 |
9 |
132 |
17.5 |
2.5 |
.3 |
2.7 |
|
4C |
13 |
10 |
8 |
8 |
5 |
8 |
8 |
6 |
5 |
19 |
8 |
15 |
14 |
15 |
3 |
6 |
6 |
3 |
8 |
168 |
22.3 |
3.2 |
1 |
1.0 |
|
4D |
3 |
5 |
6 |
10 |
12 |
2 |
5 |
3 |
20 |
2 |
16 |
11 |
12 |
10 |
20 |
12 |
12 |
3 |
11 |
175 |
23.2 |
3.3 |
6.3 |
1.0 |
|
4E |
|
|
1 |
|
1 |
|
3 |
|
|
1 |
3 |
3 |
2 |
0 |
3 |
2 |
2 |
1 |
1 |
23 |
3.0 |
1.5 |
3.3 |
1.2 |
|
5A |
1 |
0 |
1 |
2 |
2 |
1 |
2 |
1 |
5 |
2 |
8 |
4 |
2 |
4 |
9 |
3 |
2 |
2 |
3 |
54 |
7.2 |
1.0 |
2.9 |
0.7 |
|
5B |
|
|
1 |
1 |
2 |
|
2 |
2 |
2 |
1 |
1 |
2 |
1 |
|
4 |
3 |
1 |
1 |
0 |
24 |
3.2 |
0.5 |
1.3 |
0.3 |
|
5C |
|
|
|
|
|
|
|
|
1 |
|
2 |
3 |
0 |
1 |
0 |
2 |
1 |
0 |
3 |
13 |
1.7 |
0.2 |
|
|
|
5D |
|
|
1 |
|
|
|
1 |
|
1 |
|
2 |
|
0 |
|
1 |
1 |
1 |
0 |
1 |
9 |
1.2 |
0.2 |
.3 |
|
|
5E |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
6A |
|
|
|
|
|
|
|
|
|
1 |
|
|
|
|
|
0 |
1 |
1 |
0 |
3 |
0.4 |
.1 |
|
0.3 |
|
6+ |
|
|
|
|
|
1 |
|
|
|
1 |
|
|
1 |
1 |
2 |
|
0 |
|
|
6 |
0.8 |
0 |
|
|
|
∑ |
23 |
24 |
27 |
27 |
31 |
37 |
45 |
45 |
47 |
46 |
48 |
47 |
46 |
47 |
45 |
42 |
42 |
43 |
43 |
755 |
100 |
|
|
|
+2
The table shows the week of emergence for fern taxa each year, e. g. 5B is the second week of May.
Emergence defined as bottom of 2 fiddlehead curls clearing the ground, or one frond open. Allston (Boston) MA USA zone 6B