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City tree data in Wellington: the WCC Trees layer

What Wellington City Council publishes about the trees its Parks team maintains: the WCC Trees layer with 13,936 points on October 10, 2026, its 30 fields, the vitality and species counts, and the fact that the record names no licence of its own.

Checked against the sources at the bottom of this page on October 10, 2026. Rules, fees and pay change: the source has the last word.

This page describes a public dataset as its publisher lists it. It reports the record description, field list and counts as read on October 10, 2026, and it does not interpret the numbers. The family overview is on the guide to city open tree data. For another city file that lists condition fields, see the Columbus public trees layer.

What the dataset is

The record is titled WCC Trees on the council's open data site. Its description says the dataset contains trees owned or maintained by the Parks, Sport and Recreation business unit, that it was built so trees could be shown on a map for asset management and operational maintenance, and that the data was first captured by Arborlab. It gives the status as ongoing, the refresh rate as as needed, and the ownership, stewardship and custodianship to the council's Spatial Systems team. The record shows a creation date of October 21, 2020 and a last modified date of October 1, 2026. It is a point layer on the council's map server, and the server returns up to 2,000 features per request. A count query returned 13,936 features on October 10, 2026. The description covers only trees held by the Parks business unit.

Fields

The layer lists 30 fields. They include a botanical name and an other botanical name, height, girth, a field called csr, vitality, location, age, tree cage, owner, target and an other target field, comments, maintenance and an other maintenance field, overhead services present and overhead services inside mads fields, an ewp required field, hours, a priority, address fields, a group or single flag, a last visited date and a frequency.

What the counts show

By the vitality field, 11,811 rows read Good, 1,246 Fair, 542 Poor, 177 Dead and 61 Excellent, with 99 empty. By the owner field, 13,806 rows read Wellington City Council, 15 read Private and 115 are empty. The overhead services field reads no on 9,986 rows and yes on 3,949, with one empty. The most frequent botanical names were Metrosideros excelsa with 5,611 rows, Cordyline australis with 1,059, Sophora microphylla with 375, Myoporum laetum with 327 and Banksia integrifolia with 324, and 910 rows have no botanical name. The most frequent address localities were Tawa with 1,178 rows, Karori with 1,144, Miramar with 1,045, Wellington with 924 and Te Aro with 873. These are row counts in the layer, not a statement about how many trees stand in the city.

Licence

The record's licence field is empty, and the item record read through the ArcGIS sharing service also shows none. The council's website terms say nearly all content on its main website is licensed under the Creative Commons Attribution 4.0 International licence, with attribution to Wellington City Council, and that material owned by other parties keeps its own status. Those terms are about the website, and this page does not say whether they extend to the layer.

Sources