Table 2.

Survival of seven species of Tsuga evaluated in test plots at Lasdon Park Arboretum. The number of trees in each of the plots planted in 2003 and remaining alive in 2012 is shown, along with percent survivorship for each plot and averaged across plots.

Species	Year	Plot^{^z}			Average^{^y}
		1	2	3
T. canadensis	2003	12	12	12
	2012	6	8	12
	% survival	50.0	66.7	100.0	72.2
T. caroliniana	2003	6	6	6
	2012	0	1	0
	% survival	0.0	16.7	0.0	5.6**
T. chinensis	2003	6	6	6
	2012	6	5	6
	% survival	100.0	83.3	100.0	94.4
T. diversifolia	2003	6	6	6
	2012	1	2	0
	% survival	16.7	33.3	0.0	16.7**
T. heterophylla	2003	4	4	3
	2012	3	1	0
	% survival	75.0	25.0	0.0	33.3*
T. mertensiana	2003	6	6	6
	2012	1	1	0
	% survival	16.7	16.7	0.0	11.1**
T. sieboldii	2003	6	6	6
	2012	0	1	0
	% survival	0.0	16.7	0.0	5.6**

↵^z Plot numbers are as follows: 1 – Front Gate, 2 – Magnolia Garden, 3 – Hemlock Hedge.
↵^y Asterisks indicate significant mortality as determined by χ² test; * = significant at P < 0.05, ** = significant at P < 0.01.