Bayanda Fedrick Buthelezi's poem starts with a plain dictionary-style definition of a bouquet, then turns it into a metaphor for the speaker. He wants to be that bouquet for someone: a symbol of happiness and satisfaction, something that brings joy. The casual tone ("Don't get me wrong," "it's sucks") makes it feel like he is talking straight to a person he cares about.
But there is a sting in the middle. He admits that this kind of joy "will only be temporary." A bouquet looks lovely, but cut flowers eventually wilt. The speaker seems to see that being the perfect, pleasing gift means giving up something essential. He may look strong and vibrant, yet he cannot grow or blossom alongside the other person "without my roots."
The mood is tender but quietly sad. There is eagerness to please, mixed with a sense of loss and a realisation that real growth needs a source, a foundation, and that love without it cannot last.