Hi Added this rotala wallichii 1 2 grow to my black water tank the other week as I saw something online mentioning that rotala wallichii wasn’t a difficult plant at all and could be grown low tech as long as it had soft water. I thought I’d gamble and give it a go. I was expecting the plant to...
www.ukaps.org
If you have soft water, Rotala Wallichii and the related Rotala "Cambodia", "Vietnam", "Enie" can grow in low tech.
Otherwise, 2hr aquarist has a list of easy red plants:
Generally, many red species require CO2, more specialized lighting and regular fertilization to truly show off their colors. However, there are a few species that will grow well even with no CO2 injection. Read on to find out which red plants can grow with or with no injected CO2.
www.2hraquarist.com