a tall, grey-green plant

It grows to the height of a man's chest, with pairs of opposing, serrated leaves. The flowers are grey-blue, fading to a pink near the stem.

It is a tall, grey-green plant.
It weighs six pounds.

You identify a tall, grey-green plant.
It is a plant.
It weighs five pounds and eight ounces, and it is worth about seventeen celeb and fifty busc.
Its keywords are plant and tall.