Tongan seasons

Itʼs that time of year when the seasons change. Ko e faʻahitaʻu fē ʻeni? Which season is it?

Is it SPRING? (faʻahitaʻu) season of the blooms (matala) or
Is it FALL/ AUTUMN? (faʻahitaʻu) season of the falling leaves (tō – fall, lau – leaf)