Aug 13 2021

Wales Wardens and Woodland Working Groups – can you help us collect native tree seed this autumn?

As a Woodland Warden or Woodland Working Groups, you’ll already have a good knowledge of our wonderful woods in Wales. As signs of autumn start to appear all around us, you may have noticed native tree seeds ripening. If you have a bit of time this autumn, we’d like you to help us collect from the seed available in your local Coed Cadw wood.


We’re particularly interested in the following species: (with photos and links for help with identification)
Sessile oak*     Quercus petrea Pendunculate oak*       Quercus robur

*Mixed/ hybrid collections of oak are also acceptable.

Ripening hazel nuts in late summer

Hazel    Corylus avellana

Small-leaved lime         Tilia cordata Crab apple Malus sylvestris Wild cherry Prunus avium
Hawthorn Crataegus monogyna Spindle Euonymus europaeus Rowan Sorbus aucuparia


(We’d be interested to know if there are other native species fruiting in our woods this season!)


Check out the following guidance from our partners at Llais y Goedwig on safe and legal collection; what species can be collected when; and how best to do it! The Woodland Trust is a registered seed supplier and we’ll be collating our volunteers’ collections and sending them off to one of our UKISG nurseries to be grown on for us on our Estate and projects.

Overview of the whole process from registration to posting:  Collecting-tree-seed-to-sell-to-a-registered-trader.pdf ( 

When different species are expected to be ripe and the best way to harvest the seed:  Seed-collection-calendar.pdf (


If you are keen to collect, here’s what you need to do:


  1. Don’t forget to follow your role risk assessment: if you have any questions or concerns about the activity discuss these with your usual volunteer manager.
  2. Take a walk in your local Coed Cadw wood and see what’s ripening. If you are not 100% sure on the species, ask our Estate Manager !
  3. Tell us what and where you intend to collect: this is vital, as we need to register the collections in advance with the Forestry Commission. Send us photos of the trees, a grid reference or What 3 Words location.You should aim to collect from naturally-occurring trees: avoid any sites which are obviously planted.We will tell you if there are any restrictions on collection: for example, collecting seed from protected sites such as SSSIs may need consent from Natural Resources Wales. Contact Kylie on
  4. When the seed is ready (you may wish to test ripeness by cutting open or using the floar test), follow the guidance above and collect up to 20% of the available seed from a range of parent trees. (Keep you feet firmly on the ground and just take the seed within easy reach – no climbing heroics please!)
  5. Package the seed as advised by Llais y Goedwig and send it to us clearly labelled. Kylie will provide the form to be completed and enclosed.
  6. Please package different species in separate bags and enclose a separate form for each species.
  7. Email us with details of your collection so we know to expect the parcel: time is of the essence as we don’t want acorns or rowan seeds hanging around rotting at the Forestry Hub!
  8. You can claim reasonable expenses for postage and packing on your usual expenses form.


Please send your seed to:

FAO Kylie Jones Mattock

Coed Cadw/ Woodland Trust

Forestry Hub

Unit 1, Dyfi Eco Park



SY20 8AX

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