Possible Clues:

• My station surrounds lake with evergreen plant
• An evergreen's required? Try elm, incorrectly
• Go through wood on the way back, finding shrub
• Periwinkle, by another name
• Girl raised several points in climbing tree
• Shrub with white flowers and aromatic berries
• Evergreen shrub with dark purple berries
• Shrub appears through crack in tree from the east
• Dark blue green
• Looking for a woody plant to train? Try elm