A story could revolve around Hermione finding a lemon - scented plant that has the power to transport her to a different dimension. In this dimension, all the plants are sentient and she has to work with them, especially a talking lemon tree, to find her way back home.
Perhaps in a fanfic, Hermione uses lemon as an ingredient in a new potion she's creating. The potion has to do with enhancing plant growth, and she tests it on some magical plants in her personal garden. As she does this, she encounters some unexpected side - effects that lead to an adventure.
One idea could be that Hermione discovers a magical lemon tree in the Hogwarts greenhouse. The lemons from this tree have special properties, like they can cure minor ailments with just a squeeze of juice. She then tries to study the plant to figure out how it got there and if it can be replicated.
One plot idea could be that Hermione discovers a magical lemon tree in the Forbidden Forest that has been enchanted by Fudge for some mysterious reason. She tries to figure out why he did it and uncovers a plot related to Hogwarts' future.
A possible plot is that there's a magical competition in Hogwarts. Hermione and McGonagall end up being on the same team in an unexpected turn of events. They have to rely on each other's unique skills. Hermione's quick thinking and McGonagall's vast knowledge combine to overcome the challenges in the competition. During this time, they learn a great deal about each other and their relationship evolves in a positive way.
One idea could be that Rita Skeeter tries to write a scandalous piece about Hermione but ends up getting charmed by her intelligence and they form an unlikely friendship that has some flirty undertones. For example, Hermione could use her magical skills to expose Rita's unethical journalism practices, but instead of getting angry, Rita is intrigued.
She could be related to them through her studies. Hermione is known for her academic pursuits. So, she might be researching a rare plant that has a lemon - like smell and unique magical properties. This research could lead to her having various adventures, like protecting the plant from dark wizards who want to use it for evil.
Well, you could write a fanfiction where the plants and zombies swap roles. The plants become the ones trying to invade the zombies' territory, and the zombies have to defend. It would be a really fun twist. Or perhaps a story about a love affair between a plant and a zombie, which would be a very unique take on the concept. This could explore themes of acceptance and breaking boundaries in their world.
One plot idea could be that Hagrid discovers a magical lemon grove that has special properties. Hermione gets involved in researching it. They might face challenges like protecting the grove from dark wizards who want to use the lemons for evil potions. It could also involve them using the lemons' magic to help Hogwarts in some way, like curing a strange illness that has befallen some students.
A possible plot is that the house elf has a secret lemon - based recipe for a spell that can enhance one's intelligence. Hermione, always eager to learn, teams up with the elf to perfect the spell. But they face opposition from some traditional wizards who think it's improper to use such a non - traditional method.
One interesting plot idea could be that Charlie invites Hermione to study dragons in Romania. There, Hermione discovers a new species of dragon that has some unique magical properties. They have to work together to protect the dragon from poachers. Another could be that Hermione helps Charlie set up a dragon - conservation program at Hogwarts. This would involve getting the approval of the school authorities and dealing with the challenges of having dragons on school grounds.
One idea could be that Naruto discovers a magical plant that can heal any wound. He then has to protect it from villains who want to use it for evil. Another could be Naruto starting a plant nursery in Konoha and using his ninja skills to care for rare and exotic plants. Maybe he even uses the plants' unique abilities in battles, like a plant that can release a sleeping gas.
A cool Plants vs Zombies crossover fanfiction idea could involve a time - travel element. The plants and zombies are sent back in time to different historical periods. In ancient Rome, for instance, the plants might have to defend the Colosseum from zombie gladiators. Or, they could be sent to the future where the zombies have evolved into super - intelligent beings and the plants have to adapt their strategies. Also, a crossover with a magical school setting would be interesting. The plants could be the guardians of the school and the zombies are dark forces trying to corrupt the magic there.