The Saints signed 'young flowers' Tino Livramento and Armando Broja from Chelsea's U23 team during the summer.
"For us, it is relatively difficult to sign big stars," Hasenhuttl said.
"It's much better to sign the best young players in the country and give them a chance to play.
"If you are good, young and you don't go through to the top team that you are training with then you know where you have to go because here you get the chance to play and this is the way we want to go.
"When you have a small flower growing, then you have to give water to it and give them time to grow and take care of it because when you do nothing it won't develop and become a beautiful big flower and this is something we want to have, something we can show."
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