Q.Orchid care
One of my stems has gone black whete a made a cutting below a node? The other orchid leaves have gone yellow am i under or over watering?
Make sure that you use clean and sterile tools when working with your orchids.
The links below will help you with care information.
https://www.gardeningknowhow.com/ornamental/flowers/orchids/indoor-orchid-care.htm
https://www.gardeningknowhow.com/ornamental/flowers/orchids/orchid-care-after-blooms-drop.htm
https://www.gardeningknowhow.com/ornamental/flowers/orchids/how-to-prune-an-orchid.htm
https://www.gardeningknowhow.com/ornamental/flowers/orchids/make-orchid-bloom.htm