Hey marco33 , you can have some flowering / showy plants in a betta tank, but it’s tricky. Most “flowering” aquatic plants either need to push blooms above water, or only produce small blossoms underwater.

For your 50 gal, try starting with hardy ones like Anubias or Cryptocoryne. They’re unlikely to wow you with blooms, but they survive well and add greenery. Then mix in floating plants like Amazon Frogbit or Red Root Floater, they give cover, reduce stress, and look nice.

If you want a “star” plant to try for flowers, go with something like Red Tiger Lotus or Hygrophila corymbosa (letting it grow emergent) and place it where light is strong. Just be ready: getting it to bloom takes effort (good light, stable parameters, trimming, etc.).

Let me know your lighting setup / how bright your tank is, and I can help you pick exact species that are likely to flower in your conditions.