Only the original species “Paulownia Tomentosa” is considered invasive.
Our hybrid clones are infertile and cannot sow themselves.
Please click at this photo to go direct to all the science about NON INVASIVE PAULOWNIA
Read more at this link: https://www.researchgate.net/publication/311558333_An_investigation_into_the_suitability_of_Paulownia_as_an_agroforestry_species_for_UK_NW_European_farming_systems
Or this link: