Drawing in colored pencil 101

I recently started drawing again but have had to basically reteach myself the basic fundamentals.  I have swatched all of the pens and pencils that I own and have been practicing different shading techniques.

At Good Will I purchased a book on bulb flowers with the intention of.using the photos to practice drawing.  I definitely need to work on better use of white space.   I also need to apply less  - the finished project had a waxy / glossy finish which means I used too much product - I either layered too much color or applied too much pressure when drawing.

The project below was completed using a variety of colored pencils and Faber Castell Pitt Pens.  I plan to finish up the top right corner but this is otherwise complete.

Original image

Initial outlining, coloring and shading

Adding more color and shading

almost finished!