Table 6. Regression analysis of statistically significant major landscape tree species imported from the Netherlands to Korea (2015－2025)

Species	β1 (slope)	SE	t-value	R2	p-value	Significancez
Hydrangea macrophylla	83301.75	11868.98	7.02	0.846	0.0001	***
Berberis thunbergii	21411.27	4872.65	4.39	0.682	0.0017	**
Clematis spp.	7245.69	1525.02	4.75	0.715	0.001	**
Cornus walteri	8325.92	1501.45	5.55	0.774	0.0004	***
Betula platyphylla	7189.69	2071.34	3.47	0.572	0.007	**
Cotinus coggygria	5409.3	1497.08	3.61	0.592	0.0056	**
Philadelphus schrenkii	6324.32	1607.2	3.93	0.632	0.0034	**
Stephanandra incisa	3308.1	797.8	4.15	0.656	0.0025	**

^**p < 0.01, ^***p < 0.001