She knows because her body tells her when she is grown up
it means a good fully grown female lion hence the name lioness
lion
A baby lion is called a cub, no matter the sex. A male lion is called a male lion and a full grown female lion is called a lioness.
The singular possessive noun for lioness is lioness' or lioness's, whichever you think sounds better.
A screwed up lioness
You can dig up your seeds when the flowers are fully grown. Or, if the seed colour which has grown is not the colour you want then you can dig it up at anytime once you know that it's the wrong colour.
The feminine gender of lion is lioness. Lioness is the term used to refer to a female lion.
Lioness
The lioness was every bit as regal as her lion. The lioness plays with her cubs.
the tadpole will became a frog after they have grown up.
Lioness
A lioness does not have a mane.