Lilies.
Angel's Trumpet is one of the plants with drooping white bell shaped flowers. Lily of the Valley is another plant with white drooping bell shaped flowers.
The dogbane is a North American plant which has bell-shaped white and pink flowers. Plants with bell-shaped flowers are from the genus Apocynum.
Maybe a Texas Star.
a pretty one
Moon Flower
It sounds like you might be describing a tree called a Japanese Snowbell (Styrax japonicus). It has white, bell-shaped flowers that resemble stars and is known for its ornamental beauty. This tree is suitable for growing in Pennsylvania.
Yes, blueberry bushes do flower. The flowers are small, white or pinkish in color, and bell-shaped with five petals.
Bindweed
African violet
You’ve listed some beautiful options! I’d also add that small blooms like white ranunculus or garden-style blooms can add texture and softness. More bouquet inspiration can be found here: MS ROSE
No, the Catalpa is not a fish. It is a type of tree known for its large heart-shaped leaves and clusters of white flowers.
A bulb plant with white star flowers is likely a Star of Bethlehem (Ornithogalum umbellatum). This plant produces clusters of small, star-shaped white flowers on long stems that arise from the bulb. Star of Bethlehem blooms in spring and early summer and is a popular choice for gardens and floral arrangements.