If you're after a cracking stem plant that adds some stunning red into your aquarium then maybe this plant could be just for you.
Ludwigia perennis is really lovely and stands nice and tall which is how I like my stem plants to grow. Like all stem plants they are fairly easy to grow and require medium light or higher. When planting, make sure you give them space otherwise the leaves at the bottom will drop off.
When trimming, be heavy handed and cut 50% off every trim. This might sound dramatic but the plant will look better each time, become bushier and bushier. If you don't do this it will just become leggy and lose its colour too.