Paulownia, the fastest growing tree and at the same time very decorative and useful for your site. It can be grown from seed.
Article: https://www.botanichka.ru/article/pavlovniya-vyirashhivaem-iz-semyan/
Seeds and seedlings in Russia: SevPitomnik@gmail.com
Much useful in my blog "Garden. Daily care" https://www.facebook.com/careofgarden/
Partner on YouTube http://join.air.io/igorbilevich