Spring is a good time to repot your orchids. The weather is still mild, new growth is starting and the days are getting longer they’ll have favorable conditions for establishing themselves.
Repotting orchids –American Orchid Society
General Orchid Repotting info from Florida Gardener
Tip- Dip plant stems and cuttings in cinnamon before planting to prevent fungal Infection. Cinnamon makes a good substitute for store-bought rooting hormone powders. Most orchid growers use cinnamon every time they repot. Sprinkle on divided roots, cuts in stems, etc.