- F.O.P. - Flowery Orange Pekoe. This is the finest crop. It is composed of the bud and the first two leaves. The blend has many buds and therefore is considered very precious.
- O.P. - Orange Pekoe. This is a fine crop but a little later than the previous one, the bud has already become leaf.
- S. – Souchong. The leaves are normally the fourth and fifth of the stem and they are bigger, older and larger. They normally contain less caffeine and they are normally rolled lengthwise and used for smoked teas.
In India, the description of the crop is much more specific and indicates a with more precision the quality of the crop:
- G.F.O.P. - Golden Flowery Orange pekoe. Un F.O.P. with a high proportion of golden buds.
- T.G.F.O.P. - Tippy Golden Flowery Orange Pekoe F.O.P. with many golden buds or tips (hence especially "tippy").
- F.T.G.F.O.P. - Finest Tippy Gloden Flowery Orange Pekoe. Un T.G.F.O.P. of exceptional quality.
- S.F.T.G.F.O.P. - Special Finest Tippy Gloden Flowery Orange Pekoe. In Darjeeling the "S" indicates an infusion liquor of supreme quality and very light color.
Sometimes a number is added after the grade, to underline the tasting quality of the infusion.