This is a pretty one…

“How fair doth Nature
Appear again!
How bright the sunbeams!
How smiles the plain!
The flow’rs are bursting
From ev’ry bough,
And thousand voices
Each bush yields now.
And joy and gladness
Fill ev’ry breast!
Oh earth!–oh sunlight!
Oh rapture blest!
Oh love! oh loved one!”
– Goethe, May Song

As is this one. Any poem that mentions rabbits is OK by me…

“Ah! Spring is here. The rabbits quit their dens,
The dormant grass begins once more to grow.
The trees release their airborne allergens.
It’s time to tune the Toro and to mow,
To fertilize and lime and thatch and seed
As-groveling on dirty, servile knees—
You pluck the dreaded dandelion weed
And rub your itching eyes and start to sneeze.
Wherever grass encroaches, you must edge,
And don’t forget to stir the compost heap
And trim the junipers’ unruly hedge,
While forfeiting a needed hour of sleep.
Those poets penning praise to spring and tillage
Are domiciled in lofts in Greenwich Village.”
– Bob McKenty, A Sonnet for Spring

Hat tip: egreenway.com