Sprivy

- In the episode Dating Season Anne and Hop Pop find out that Sprig may have a crush on Ivy Sundew and they set them up. Ivy and Sprig spend a whole day together, dancing, running off together, and watching fireflies. In the end, Sprig watches Ivy leave, and Anne states, "You're in love with her now aren't you?" to which Sprig confirms.

-In the episode Anne of the Year Sprig was contemplating whether or not he should ask Ivy to dance with him. Instead, Ivy walks up to him, blushing, and hesitantly asks him to dance, which he agrees to.

Probability
Is canon for now.