April 8. Leaf-buds of the lilac (Syring. vulg.) beginning to swell.
10. Leaf-buds of the soft or meadow maple (Acer rubrum) beginning to swell. Black alder (Alnus serrulata) in flower. American hazel (Corylus americana) in flower, and its catkins appearing.
11. Fair and pleasant, after a long storm. It has rained sixteen days in succession. Frogs begin to sing. Leaf-buds of the English cherry (Prunus cerasus) black heart beginning to swell. Garden peas sown.
12. Flies in myriads arrived in our streets. Catkins of the butternut (Juglans cinerea) beginning to swell. Saxifrage (Saxifraga virginiensis) in flower.
13. Skylarks arrived.
14. Sweet fern (Comptonia asplenifolia) in flower. White birch (Betula populifolia) in flower.
16. Our farmers beginning to plough for spring wheat.
18. Bank swallows arrived.
19. Leaf-buds of the currant, the gooseberry, and the apple, considerably swoln.