SI Haverfordwest have so far planted 420 trees in the town this year Haverfordians continue their ambitious aim of turning the town into a tree utopia . Soroptimist International planted 340 trees over three days on the Lower Racecourse in Haverfordwest on three days between Tuesday, April 20 and Sunday, April 25. The trees, when added to another 80 trees recently planted, make a total of 420 trees planted by SI Havefordwest this year. Soroptimist International Haverfordwest was one of the lucky participants in a research project run by Coastal Communities Adapting Together (CCAT) aiming to support coastal communities in understanding climate change and how to adapt.