The flowers

[moseen]

Hello everybody!
Why does the "flowers" in the sentence below have the "the"?
The garden is wonderful in the spring when all the flowers come out.

 

[Matthew Wai]

'The flowers' refers to the ones in the garden.

 

[moseen]

'The flowers' refers to the ones in the garden.

Doesn't it mean all flowers in everywhere?

 

[Matthew Wai]

It refers to all the flowers in the garden.