What is the pity referred to in the second stanza in the poem to blossoms by Robert Herrick?

In the poem "To Blossoms" by Robert Herrick, the pity referred to in the second stanza is the idea that flowers, like human life, are brief and fleeting. The speaker is reflecting on how quickly flowers bloom and fade, much like the brevity of human life. The pity is for the flowers that must die so soon after blooming, symbolizing the fleeting nature of existence.