Growth tracks for a range of grain sizes St, levels of turbulence α, and vortex trapping timescales t_Z. Every run has Z = 0.01. The vertical dashed lines are St_x, but the growth tracks start at St₀ = 0.1St_x as a proxy for the small drift-limited grains entering the vortex. Solid circles mark the start of the growth tracks and open circles mark every 100 orbits. The green region is the SI planetesimal formation (Lim et al. 2024). Most scenarios result in growth tracks that reach this region. However, for large α and small St_x, the growth tracks converge to a steady state outside the planetesimal formation region (the thick circles are multiple iterations plotted on top of each other). As a point of reference, we added the associated fragmentation velocity v_frag for some St_x values for the passive disk of Chiang & Youdin (2010) at 40 AU.