Orchids are relatively easy to grow with the right conditions, but almost every Orchid Repotting: When And How To Repot An Orchid Plant. Determine whether it's time to repot. The ideal time to repot an orchid is right after it finishes flowering, when it begins to produce new growth. Others may be happy in the same pot for seven or more years. As a general rule, don't re-pot your orchid unless necessary.