Given below is a set of four sentences, and when properly sequenced, form a coherent paragraph. Arrange the sentences in the correct sequence:

a. She learned the importance of empathy and understanding while tending to those plants.

b. Working with her grandmother in the garden, she developed a deep love for plants.

c. It was this passion that led her to pursue a career in botany.

d. In the heart of nature, she cultivated not just plants but also her demeanor.