It was his nature to blossom into song, as it is a tree's to leaf itself in April.

Smith likens a person’s impulse to make poetry or music to a natural, seasonal process: a tree does not decide to leaf out in April; it simply follows its inherent life-force. The image suggests that true artistic expression is organic rather than calculated—an outgrowth of temperament and inner necessity. By choosing “blossom into song,” he emphasizes spontaneity, freshness, and inevitability, implying that for some individuals creativity is as instinctive as growth in spring. The comparison also carries a quiet standard of authenticity: the most convincing song is what emerges naturally, not what is forced or manufactured.