It seems like it will grow anywhere, I’ve got it growing on my sidewalk not even in dirt so, I thought I’d see what happens. Just wanted to makecsure it wasn’t toxic to fish.We used to grow ajuga in flower beds, so yes it's a terrestrial plant.
that’s an idea, use it as a floating plant and see what happens. It’s just growing like mad in my courtyard, seems like nothing damages it, the plants around my pond are growing over the edge not even in dirt just attached to it’s connecting plant. It’s such a pretty color. I’ll definitely watch it and give updates.Pretty! Looks like it's a terrestrial plant, which means it won't do well long-term under water. In your pond, does it grow with the roots under water and the leaves above? If so, I would either plant it the same way in your aquarium, or leave it out.