This blog introduces me to the moe characters in my favorite anime and manga.
What is a sprout doing? It's sprouting and budding. A crush you have on someone can sprout too.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
Think about that newly sprouting moe (もえ) character you have a crush on. Yes, this is the same moe. Congrats, you already know it!