There is one Spaeth's alder (Alnus × spaethii) in the Heimanshof in Den Haag (municipality of The Hague).
The girth of the tree is 3.02 m measured at a height of 1.30 m (Aug 20, 2012, Leo Goudzwaard). Its height is exactly 21.40 m (Aug 20, 2012, laser with Sine method (e.g. Nikon Forestry 550 laser rangefinder), Leo Goudzwaard). This tree was planted around the year 1926 ± 5, which makes it around 87 ± 5 years old (Leo Goudzwaard, Aug 20, 2012).
The girth of the tree is 3.02 m measured at a height of 1.30 m (Aug 20, 2012, Leo Goudzwaard). Its height is exactly 21.40 m (Aug 20, 2012, laser with Sine method (e.g. Nikon Forestry 550 laser rangefinder), Leo Goudzwaard). This tree was planted around the year 1926 ± 5, which makes it around 87 ± 5 years old (Leo Goudzwaard, Aug 20, 2012).
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