Poet and essayist, columnist in the Dwutygodnik culture magazine. Professor at the Independent Department of Forest Botany of the SGGW Warsaw University of Life Sciences. Her research focuses on the anatomy, biomechanics, and aerodynamics of plants. As a poet, she made her debut with the volume Atoms (publ. 2014, nominated for the 2015 Wrocław Silesius Poetry Award as Debut of the Year, honourable mention at the 11th National Literary Competition “Poetry’s Golden Mean,” 2015). In 2017 she won the Kościelski Foundation Award for her volume minimum (nominations for Silesius 2018 and K.I. Gałczyński Orpheus Poetic Award). Her Sand was nominated for the Wisława Szymborska Award (2020), Orpheus (2021), and the annual award of Nowe Książki monthly (2022). 2019 saw the publication of her essay collection Sticks and Dried Stalks, which won the Golden Rose of Instytut Książki, Nowe Książki and Science Festival awards, the 2020 Gdynia Literary Award for essay writing, as well as nominations for the Polityka Passport and Witold Gombrowicz Literary Prize. 

Zajączkowska is also a video artist creating short film forms. In 2015 she was part of a group of artists who authored the Cambium Killers project opposing the use of grades at schools. She created the video clip for Organizm band’s Hotel Day and the film Metamorphosis of Plants (2016), inspired by Goethe (winner of SCINEMA Festival of Science Film in the category of best experimental movie / animation; audience award at Screen Dance, Miami). Her 2017 film Speak to Me, Poland, Speak (text read by Olgierd Łukaszewicz) is a protest against hate speech in Poland. Her video-walk Nightly Loitering in Wołomin was shot with a mobile phone for the Polityka weekly in 2020. States of Matter (2020), a poetic film on the forms and lights in water was presented at the Contexts Festival of Ephemeral Art in Sokołowsko. Zajączkowska also initiated the Memorial Grove to the Jewish Community of Wołomin and the “Znaczenia” Literary Festival, of which she is the programme director.