We answer common questions below. If you cannot see the answer to your question please get in touch with us or tweet us @GreentalkLabs. If you are experiencing technical issues or if the site is not working properly, then email [email protected].

1. Coverage

Information about the areas and trees included in this project.

Are all the trees in the council/borough showing on this website?

The trees that feature and are showing are dependent on the project area. At the current moment, we recognise that all of the trees in the project area are not listed and therefore not complete. We will be updating the site regularly to include new tree data updates, plus newly planted trees.

How accurate is the tree data?

The current data visible represents a snapshot of available data at that moment in time. As the tree data becomes updated and refined, then this will be reflected in this website.

How many trees are in the map?

This is dependent on the project area, and it is our goal to be able to represent as many of the individual trees as possible from the project area in the future.

What areas do you cover?

Greentalk covers trees within the project area, and may include surrounding areas if participating neighbourhood community organisations cross into the neighbouring borough.

2. Using the map

How to use our tree map and select and highlight different species and understand how we classify trees by rarity.

How can I find out what trees will be planted in parks?

This will be dependent on the project. If the data is made available, then when you will see the park highlighted in purple. Hover or touch that park to see the planting information.

How can I highlight all the trees of a particular species?

Zoom in to the map until you see the small bar at the bottom of the map showing a count of trees. Click on the bar and it will show you a list of all the species of tree visible in the current view. Click on any of those species and it will highlight them all for you in blue.

You can now drag the map around and if any more of this species come into view they will be highlighted as well.

Some of the highlighted trees may be hidden under the bar, so may wish to drag the map or close the popup to see those.

Highlighting species on the map. They appear as blue dots.
Highlighting species on the map. They appear as blue dots.
How do I find my closest tree of a particular species?

Please see this Help item I'm looking for cones or acorns. How can I find trees of a particular species near me?which shows you how to highlight trees of a particular species on the map.

How do I find the oldest and largest trees near me?

On the map page click on the EcoFacts button at the very bottom of the map. You will see options for highlighting trees including Age, Height and Value. Select the Age option and you will see how many trees of each age band are visible in your map view. For example, click on the 100+ button to see very old trees. If there are none in view, try zooming out a little or moving the map or selecting a slightly younger age band.

Select a band from the Age option in the EcoFacts tray to highlight trees of that age.
Select a band from the Age option in the EcoFacts tray to highlight trees of that age.
I'm looking for cones or acorns. How can I find trees of a particular species near me?

Perhaps you are looking for some pine cones or for some acorns.

Or want to improve your tree Id skills and find the closest of a specific species close to you.

You can use the Species Pullup on the map to help find trees of a specific species near you.

1. Go to the map

2. Zoom in fairly close to the area you want to check

3. Click on / pull up the species count bar at the bottom of the map

4. Select the options Alphabetical and Common Names

5. Look for the species you want to find in the list. For example, if you are looking for cones see if you can see PINE, SCOTS PINE, CEDAR or ATLAS CEDAR listed

(a) If you cannot see your species listed then drag the map somewhere else. It can be easier to start with a large park where there are more trees

(b) If you can see your species listed but cannot see numbers against the names then zoom in a little more (Trees will not be highlighted on the map until the count is shown). You may need to adjust the view again to bring them back into view

(c) If you can see your species listed and with numbers then you've found them!

  • Click on one of those names
  • Your trees are where the blue points light up!

Leave it at that zoom level and you can now drag the map around and it will light up trees of those species when any come into view.

Where's the tree? It's on the map but it's not there in real life.

Sometimes, the data we have maybe slightly out of date, so a tree we display on the map, may not be there. There are two reasons why this might happen:

  • The tree may have been felled since the last map data update
  • There may have been a technical mistake in the data and sometimes tree locations can be off by a little bit especially in parks and open spaces. In these cases, the tree may be nearby.

In the near future you will be able to report issues with the data to us to help us make the map even more accurate

Why am I seeing a tree which is not on the map?

The data we use to show trees on the map comes from several sources. We're constantly updating it, but sometimes a tree may appear on the street or in a park or an estate that isn't yet on the map.

This might be because the tree may be recently planted. In this case, check back again, we hope to have the details for it soon!

In the near future you will be able to report issues with the data to us to help us make the map even more accurate.

3. Creating Tree Walks

How to create walks visiting the trees in your neighbourhood or further afield.

How do I create a walk?

You can start a walk from any tree by clicking on the tree on the map, and then on the Create a walk button which is displayed. Your walk will start at the tree and visit interesting trees nearby.

Alternatively if you want to start from a particular address or location go to the home page and type the address into the Create a walk box.

In both cases you can choose whether you want to go on a circular walk which returns you back to where you started, or whether you want to go on an "A to B" walk specifying a different destination address.

Search for an address to start your walk from
Search for an address to start your walk from
As well as circular walks you can go on a walk to somewhere else
As well as circular walks you can go on a walk to somewhere else
You can also start a walk from any tree on the map.
You can also start a walk from any tree on the map.
When printing it advises me to "Make sure to switch on the 'background graphics' setting". How do I do that?

This setting is required to print the map as well as can be achieved.

It is usually switched on by default. But if when you print you notice that tree numbering circles look wrong it means it is not switched on. It will still print but it is not as clear as it could be.

How it is switched on depends on the browser you are using.

1. Chrome - Press PRINT and then in the screen that appears expand the "More Settings" section and it is near the bottom of that. Make sure the setting in ticked.

Chrome setting background printing
Chrome setting background printing

2. Safari Click Print and then make sure that the two boxes labelled 'Appearance' are ticked.

Safari setting background printing
Safari setting background printing

3. Microsoft Internet Explorer. Press the COG at top right of the browser, then select Page Setup... from the menu that appears. On the window that opens make sure to tick the "Print Background Colours and Images" option.

Internet Explorer setting background printing
Internet Explorer setting background printing

4. Firefox - Click the Firefox tab at the top left of your screen. If you don't see it, click and release the "Alt" button to see the File menu. Select Print… and select Page Setup…. Tick the Print Background (colors & images) box

5. Microsoft Edge unfortunately does not appear to support background graphics printing

Where can I create a tree walk?

Tree walks can be created from trees within the project area, and may extend to neighbouing boroughs if participating community groups overlap into those areas.

Why can't I create a walk into a neighbouring borough/council?

This website relates to a specific initiative and project area. If you would like to create walks outside of the project area, then please contact your local council or Councillor(s), and get them in touch with Greentalk. Otherwise, if you are in the Greater London area, then please also have a look at which incorporates more trees across London boroughs.

4. Neighbourhoods and Community Groups

Find our more about local Neighbourhoods and Community Groups in the borough.

My community group would like to take part. How do I register my community group?

Currently, the project is in a pilot phase. Please go to the homepage and ‘Follow’ Greentalk to keep up-to-date with future opportunities.

What is a Greentalk Neighbourhood?

A neighbourhood is an area that a local community group operates in to help improve their environment. Within Greentalk it is also an area where we will offer more features to help make trees and other green infrastructure, much more accessible and relevant to you.

What’s the purpose of community groups being involved with the programme?

Greentalk is about helping residents in the borough to help keep trees alive. Through the initiatives of local community groups, we have been fostering relations to help understand what would be valuable to you. This programme is one of the ways that we believe will make a difference.

Where can I find my local community group?

If your neighbourhood isn’t covered by a group on our map, then you can also find a list of local environmental community groups through your local council/borough website(s).

Who decides a Neighbourhood boundary?

A neighbourhood boundary is decided by the community group. It represents the geographical area that the community group cares for and which they are passionate about. In some cases, the boundaries may extend into neighbouring boroughs.

Why are there only a few community groups involved?

This is a new, innovative programme, and the current community groups are part of a pilot. This allows the programme to grow and understand future areas of focus and improvements. Make sure to ‘Follow’ Greentalk to find out when the programme will open up to more community groups.

Why isn’t there a Neighbourhood covering where I live?

We hope to have neighbourhoods covering all of the borough in the future, but at the moment we’re piloting some areas where community groups have a strong presence and have volunteered to help with this exciting new initiative.

Why should I ‘Follow’ a Neighbourhood?

Following a neighbourhood is a great way to hear more information and be informed of new and existing projects. You will receive emails/newletters from the community group that operates in that neighbourhood.

5. Finding out more about trees

Finding out about individual trees and their contribution to your local environment.

Can you help me identify a tree?

If you are trying to identify a tree please first check whether you can find it on the map.

If not, if you are on Twitter then please share a couple of photos of the tree (ideally closeups of the leaves, bark, any flowers) with @GreentalkLabs and where possible we will try and identify.

We're sorry but we are not able to accept identification requests via email at this time but we will try and find ways to make it easier to identify trees not already in our maps.

How do I find out how old a tree is?

Where we have them, we display records of how old individual trees are. These are often shown as approximate ages, because we don't know how old the tree was when it was planted, and for older trees, records don't exist, so it is an estimate from a professional tree manager.

How do I find out the value of a tree?

We show financial values of many of the trees on the map. These valuations are known as CAVAT or Capital Asset Valuation for Amenity Trees. They are determined using a formula based on how old a tree is, how long it can be expected to live, how many people benefit from living nearby. Find out more about CAVAT valuations from the London Tree Officers Association.

What does tree rarity mean?

Tree rarity is determined by comparing how many trees of a specific species there are in our database. Each tree is then ranked between most common and most rare. Some of the most common trees are species like London Plane, of which there are many thousands, but some trees are much more unusual. The rarer they are, the darker green their dot will be on the map. If they're very rare, they'll have a blue-green dot which means there are fewer than 50 trees of this species in the database. If it's very, very rare, it will have a gold dot which means there are fewer than 10 trees of this species in our database.

What is a 'whip'?

A whip is a young sapling, typically just two or three years old and less than a metre tall. They are usually planted in groups to start a woodland, copse or hedgerow.

What is a cultivar?

A cultivar is a specific type of tree, like a particular flowering cherry, which has consistent features that can be relied upon to be the same on each tree. Many planted trees are cultivars of a particular species, and we display this after the genus and species name. The Copper beech is a cultivar, and its full name botanical name is Fagus sylvatica 'Purpurea'. In this example, Fagus is the genus name (in this case, the beeches), sylvatica is the species name (in this case denoting the common beech), and 'Purpurea' is the cultivar name (in this case meaning it is a copper beech which is differs from a regular common beech by having purple leaves)

What is a tree variety or subspecies?

Some trees will also have an extra name that is different from a cultivar What is a cultivar? name. These extra names mean the tree is a variety or a subspecies. Varieties and subspecies differ from cultivars as they occur naturally, a cultivar is a type of tree that has been bred by horticulturalists to have specific features. Varieties and subspecies are types of trees that are similar to the regular species but will have some different features. Varieties differ because they are look different and occur all over the area where the regular species occurs. An example of a variety is the Himalayan birch Betula utilis var. jacquemontii. An example of a subspecies is the native black poplar Populus nigra ssp. betulifolia. It is a subspecies rather than a variety because it is only found in the wild in specific places.

What species is a tree?

Each tree we display as an individual point on the map belongs to a genus (like the oaks, or Quercus; or the cherries which are Prunus), and it will also have a specific species name to identify it. An example of a genus and species name is Sorbus (genus) aria (species), which we commonly call Whitebeam.

What tree measurements are available?

Where we have them we show three measurements for each tree. These are:

  • Height: How tall the tree is, in metres.
  • Spread: The diameter of the tree's branches, or crown, in metres.
  • DBH: Diameter at Breast Height - this measurement shows how thick the tree's trunk is. It is in cm.

All these measurements are a snapshot, and some may be more than one year old, in which case the tree is likely to have grown since it was last measured.

Why don't all the trees show up in Eco Facts?

We have differing amounts of data for each tree in our database. The least we know is where a tree is located, and often we know a lot more, but not every tree has every EcoFact yet, so we might not be able to tell you how tall, how old, or how valuable it is.

6. Additional Project Information

Find out more about the project.

Which browsers are supported?

Greentalk supports a wide range of browsers across Windows, MacOS, Android and iOS. Supported browsers include Chrome, Firefox, Microsoft Edge, and Safari.

Greentalk does not support Internet Explorer 11. Microsoft are strongly recommending that you upgrade to Edge, which you can read about and download from their website.

Who set up this project?

This a project uses Greentalk's platform to allow local residents and businesses to generate itineraries and trails focussing on local trees. The project aims to create greater awareness and information on local trees, whilst providing a way for local communities and groups to get involved and help make their areas a greener and cleaner place to live and work.

Data, Copyright and Acknowledgments
Bradford Greentalk acknowledge the following in terms of usage of information, designs and data on this site.
Data, Copyright and Acknowledgments
  • Map contains data © MapBox, © OpenStreetMap contributors.
  • Uses Environment Agency rainfall data from the real-time data API (Beta).
  • For more detailed copyright information, please see our Terms.
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