There is one black poplar (Populus nigra) along the street Voorsterklei, corner Hoenstraat in Voorst.
The growth rate shown in the table shows the yearly average increase in girth since the last measurement. This value only gives an indication of the growth rate, since every measurement could be done at slightly different heights and during different periods of the year.
Its height is exactly 28.00 m (Nov 1, 2009, laser with Sine method (e.g. Nikon Forestry 550 laser rangefinder), Jeroen Philippona). This tree was planted around the year 1900 ± 10, which makes it around 113 ± 10 years old (Jeroen Philippona, Oct 1, 2011).
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Girth growth rateThe girth was measured more than once:
|Year||Girth@1.3 m||Measurement||Girth growth rate|
|2007||5.06 m||Jeroen Philippona||-|
|2011||5.13 m||Jeroen Philippona||2 cm/year|