Miss Nettle

"Ta-ta!"

- when miss Nettle says "Goodbye" Miss Nettle also known as Sascha the Sorceress in her disguise, is an ambitious, self-centered fairy who appears in Sofia the First as a guest teacher. She was also Flora, Fauna and Merryweather's apprentice. She is the main antagonist for the episode "Make Way for Miss Nettle". She appears in a later episode, "The Enchanted Feast", where she crashes the Tri-Kingdom Feast that Cedric intended to put on a magic show for and likely steal Sofia's Amulet, forcing him to work with Sofia in order to stop her. She has two villain songs for two of her personalities: "Make Way for Miss Nettle" for miss Nettle herself and "All You Desire" for her disguise personality.

Make Way for Miss Nettle
She first appears in the episode "Make Way for Miss Nettle" as the new gardening teacher. As part of an afterschool program Sofia, James and Prince Desmond stay to learn how to grow magic plants. Miss Nettle then leaves the students alone so she can search for Flora, Fauna and Merryweather's spell book. Sofia runs after her to return her glove.

Miss Nettle first appear as a very good and cheerful (but still self-centered) character, hovewer, it appears that she's a very wicked villainess. The fairies catch her looking for the spell book in their office and confront her. She then traps them in a magic bubble while singing her first villain song and continues looking for the book, Sofia as seen her trap them and she, James and Desmond find the spell book before Nettle does.

The bad fairy then confronts them and demands the spell book. She then offers a deal after they refuse; they give her the spell book and she'll let the fairies go. The children agree, but Nettle then goes back on her word and decides to free the fairies after she's learned all their spells. Sofia, Desmond and James get the book back from her by using a magic flower, the Laughing Lily.

The three free the fairies from their bubble. Then Flora, Fauna, Merryweather and the children go back to the greenhouse and demands Miss Nettle to leave. She then refuses and threatens to put them all in another magic bubble, Desmond manages to take her wand from her but ends up in a bubble. Flora then frees him and tells Miss Nettle to leave now and never return.

Enchanted Feast
In the episode "The Enchanted Feast" she returns disguised herself as Sascha The Sorceress and tries to steal Sofia's Amulet Of Avalor. First she appears watching the Sofia and noticed her Amulet of Avalor. Then she disguise herself as Sascha the Sorceress and came to the castle, demonstrating her magic abilities to the Royal Family. Hovewer, Sofia already thought that they had met before 'cause of her similiar voice. While she performes her second villain song, Cedric noticed her and introduced himself. It seems that Cedric and Sascha became friends.

She tried to get the Amulet of Avalor by giving Sofia a new necklace, hovewer her try failed, when Sofia didn't want to wear it in the front of her. She then placed her helper Rosey in the flowers and planning to catch Sofia while the feast, and then get the Amulet. That's when Rosey remind her about Cedric and then, miss Nettle herself hexed Cedric's magic wand with her own magic crystals. It caused Cedric to mess up his mirror spell and then leave the hall being harmed.

When Sofia left the hall, following Cedric, Sascha growing Rosey in giant ivy that corrupted the castle and eventually captures all of Royal Families that came to the feast, except Cedric and Sofia, who left the hall before. Sascha then transforms into miss Nettle at the front of princess Sofia and trying to steal her amulet, however, failing 'cause of Clover's actions.

After Sofia tells Cedric about the goal of miss Nettle, he's going rampage, because he wants to get the Amulet of Avalor for himself. Two villains then met, and 'cause miss Nettle hexed Cedric's wand before, he loose the battle. However, both Clover and Wormwood got another wand from Cedric's tower and then, Cedric and Sofia tricked miss Nettle with the mirror spell, got her imprisoned. She then leaves with weakened Rosey, before the guards came and miss Nettle then going to take revenge on both Cedric and Sofia and get the Amulet of Avalor.

Abilities
Miss Nettle appears to be very powerful fairy, as she trapped various characters into hard magic bubbles. She also know how to grow many magic flowers and plants, and in her appearance in "The Enchanted Feast", she has a magic rose named Rosey, who serves as her helper. As Sascha the Sorceress, it appears, that she sometimes can doing magic without her wand.

Trivia

 * Miss Nettle is the first villain of the series to mention a major Disney Villain. For Nettle, it was Maleficent.