Buthelezi's "Garden" is a short, quiet tribute to a person who stands out. The speaker pictures a garden where the flowers are drooping and fading, and then points to one that is still thriving. That flower is "you," so the poem is addressed directly to someone the speaker admires.
The feeling at the center is amazement. The word "continue" suggests this isn't a one-time thing: the speaker keeps being surprised that this person holds up while everything around them declines. The garden may stand for a difficult situation, a group of people, or a hard stretch of life, though the poem doesn't say, and that openness lets readers fill in their own picture. The mood is gentle and hopeful, with a note of tenderness. There's a small sadness in the wilting, but the poem's attention stays on the one flower that refuses to fade, and it ends on that image of resilience.