Q.bird of paradise plant
I have a bird of paradise plant. What feed would you use and how often? Also, what is happening when the leaves start to curl?

Here is a article that explains why leaves curl on a bird of paradise plant:
https://www.gardeningknowhow.com/ornamental/flowers/bop/leaf-curl-on-bird-of-paradise.htm
I would fertilize bird of paradise every couple of weeks during their active growth period with a general purpose water-soluble fertilizer.
For more information on growing bird of paradise, please visit the following link:
https://www.gardeningknowhow.com/ornamental/flowers/bop/bird-of-paradise-an-exotic-flower-like-none-other.htm