>>712739712
What? No. You have to grow and level up the seed yourself before shops update their inventory of seeds.

>selling lv 3-5 seeds of various other crops both to her and through shipping bin are still at rank 1 the next day.
Are you sure you actually shipped the leveled up seeds?

>>712739939
Pic related. You basically go isometric sims-like design mode to make things easier.

T while using the magic hoe on PC, R3 on consoles.