Positive tilted troughs are most common in the spring and fall months. Negative tilted troughs are much sharper and deeper, ...

We have a series of troughs set to move through over the next couple of days. While the valleys and lower lying elevations ...

Their uses are also limited, being diminutive, they are easily drowned by lusher growing plants in spring. However, I find them useful for bringing early interest to the various troughs that we ...