Steeping time
A steeping time of 4 to 5 minutes is a good guideline for most sturdy or flavored black teas. In general the smaller the particle size, the shorter the steeping time. Small variations in steeping time will produce equally good cups with different levels of flavor and aroma. However, steeping too long will invariably produce a poor product.
Green oolong and the more delicate black teas require different steeping times to bring out their flavors and subtle characteristics.
Most green teas are best if steeped no more than 2 to 3 minutes. Some tightly rolled teas, like “Gunpowder”, may go a little longer.
Darjeelings are delicate with a fruity aroma and can quickly become bitter if steeped too long. As a rule, steeping should not exceed 3 minutes. Small differences in time can make huge differences in the product.
Some flavored teas and formosa oolongs may steep for 6 to 7 minutes.
Obviously tea should be made by the clock. An accurate kitchen timer should always be used to take out any guesswork.