Meaning of why do the scented bowers in fragrant fray rival each other's flowers this festive day?

The line suggests a competition among beautifully scented flowers, each vying for attention and admiration during a festive occasion. The "scented bowers" represent lush, fragrant gardens or areas filled with blooming flowers. Their rivalry highlights the vibrant display of nature's beauty, as each flower seeks to outshine the others in fragrance and appearance, symbolizing the joy and celebration of the day. This imagery evokes a sense of harmony and celebration in nature.