The 29th International Conference on Arabidopsis Research (ICAR2018) was held in Turku, Finland from Jun. 25 to 29. Approx. 600 attendees joined the conference and progresses and achievements in their researches on biotic and abiotic interactions, cell biology, system biology, etc. were presented. The Multinational Arabidopsis Steering Committee (MASC) meeting took place at the conference venue to discuss about the operating system of MASC as well as the host countries and cities of future ICAR. The ICAR2019 will be held in Wuhan, China from Jun. 16 to 21 in 2019.