There is no single answer. Greens at Oakmont, like all courses, have varying speeds depending on the current day's temperature and humidity, the length of the green's grass (whether it has been recently mowed or not), and any recent precipitation.
yupIt depends on the type of grass. Fescues and the ,like used for golf greens and bowling greens, are not as fast as rye grass or bamboo.
The easiest way is to keep them well watered, greens which are not keep well watered dry out quickly and become crusty, therefore they become hard and fast.
The best greens to feed a turtle are collard greens, mustard greens and kale.
There is no standard collective noun for the noun greens, in which case a noun that suits the situation can be used; for example a bunch of greens, a bowl of greens, an expanse of greens, etc.
Another name for these greens is called SandFire greens
The Titleist Pro balls have very little roll but won't do so well in the rough.
greens are used for eating cooking
Yes, you can safely freeze greens.
One recipe for collared greens is sauteed collared greens with garlic and bacon. Other recipes for collared greens can be found at Simply Recipes and Allrecipes.
Greens of Andorra was created in 2003.
Greens of Montenegro was created in 2002.
Rainbow Greens was created in 1989.