Answer:
By suggesting that the speaker has a personal connection with the summer flowers of her home.
Step-by-step explanation:
Personification - Giving an inanimate object a personality
In this poem, the writer says "The violet has a fragrent breath," meaning that the violet was given a personality.
Also, on one of the last line provided, the quote is
"I know how fast my tears would swell
To see it smile to-day."
which is saying that the writer misses the flower, and the writer would be crying over it.
I hope this helps, good luck!