Perhaps you have seen milkweed seeds in the fall.
Did you ever see a puffy, white sphere floating
through the air? Underneath you might have seen a hard, brown,
You saw the big, green pods
growing on a plant. In the fall, the pods gradually turn brown.
They split open and the wind carries the seeds to a new location.
I collected some of these seeds. I planted them
in my milkweed plant beds in the fall.
In the northern United States, milkweed seeds need
a period of cold in order to germinate. This is called stratification.
That is why you should plant the seeds in the earth, in the fall.
As an alternative, you could keep the seeds in a refrigerator for a few
Fluffy white fibers
Some people call those soft, white fibers - silk.
It is also called coma.
Collecting Data activity
Measuring Milkweed project
Click on the pods for a closer view
Dried white milkweed pod that has split
Seeds and silk fibers are showing.