These are the Tassles that will polinate the plant. I like to shake them a little each day, as it seems to help them pollinate better. This is entirely normal.
I am growing Sugar Dots from seed. Mine range from 12-18 inches and have not started pollinating, yet. What zone do you live in?

Thank you tiny1, I am in zone 9 and if I remember correctly, my seed label said something about sugar so it may be the same variety. These tassels have just started to poke out, I will give them a gentle shake later this evening.

If they are Sugar Dots, they are a bi-color, meaning yellow and white corn mixed on the same cob. You'll get 2 full ears off of most stalks.
When the hairy tassles appear on the cobs, put a couple of drops of mineral oil on each one and it will deter any earworms that may otherwise infest your ears. I f you have this variety, you will truly enjoy it.

Green thumbs no need to shake until full silk on the ears. When they release pollen, and you shake them the pollen will cascade down. Hard to visualize but when it happens you will know. Most plants are smarter than we are and do thier thing at the appropriate time. Sugar Dots is one of the best.