Tea Questions & FAQWhat will happen when steeping green tea at 100 degrees Celsius? January 26, 2013 Written by teasenz 0 It will become more grassy and bitter. Steeping green tea with boiling water is not advisable, because kills the delicacy and the unique taste of green tea. If you still want to steep at 100 degrees, then just buy a cheap green tea.Green Tea PageShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Related tea guides Further Reading... I Found Bugs In My Tea!comprehensive tea caffeine guideTea Information ArticlesNo CommentsJoin or start a conversation! Cancel reply Previous PostChinese Tea Types Next PostWhat is the healthiest variety of (organic) Green tea?