I Have Bird Of Paradise Pop Up In My Garden From What I Thought Was A Grass Plant , It Has Been In My Garden For Twelve Years And

Question

has never flowered is this norma

Answer 1

If it is a Bird of Paradise plant, and grew from seed, it can take 10 years or more for flowering. So you should see flowers soon.

See if all its cultural conditions are being met:

https://www.gardeningknowhow.com/ornamental/flowers/bop/bird-of-paradise-outdoors.htm
https://www.gardeningknowhow.com/ornamental/flowers/bop/propagating-birds-of-paradise.htm
https://www.gardeningknowhow.com/ornamental/flowers/bop/bird-of-paradise-blooms.htm