Plenty of flowers are bluish, but it’s rare to find true blue in nature, says Naonobu Noda, a plant researcher at the National Agriculture and Food Research Organization near Tsukuba, Japan, and ...

Tea. To make blue flower lotus tea, add one premade tea bag or 3–5 grams of dried flowers to 1–2 cups (250–500 mL) of hot water. Let steep for 5–10 minutes.