Tea drinking is very popular in Riga. Visiting friends or sitting in a café might turn into the tea ceremony, let it be Chinese, Japanese, Latvian, or Russian. Riga centre is full of various restaurants, bars, bistro, among them there are also the tea houses and tea rooms. Not to speculate in favour of some of them, here are most probably all of them, which might be found depending on the preferred location.
First of all, there is an ex-Apsara tea house in Riga centre – Tabu, which is located in Vērmanes dārzs park. You can find the address information on their Facebook page. It is the oldest public tea drinking place in Riga. A wide choice of teas is offered there.
Secondly, there is a tearoom Illuseum, which is located on Miera Street, in the so called Miera Ielas Republika. It is quite a tiny place, situated between other shops and bars, which work in this hipster centre. You will find there a wide selection of different teas, including Chinese and Argentinian mate. More info on the location is here.