The first image shows white, star-shaped flowers on green stems. This is likely Nicotiana alata, commonly known as Jasmine Tobacco or Flowering Tobacco.
The second image displays delicate, pale yellow flowers with multiple petals arranged in a star-like pattern. This appears to be a species of Aster or a similar composite flower.
The third image features distinctive blue and purple flowers with spurs, characteristic of the genus Aquilegia, commonly known as Columbine.