Related Clues:

• Pharmaceutical oils
• Thorny shrubs
• Flowering evergreens
• Large fragrant flowers of white and mauve
• Have a blooming, hidden laze as these ones
• That's how I calls them in the shrubbery
• The call is for shrubs
• Roman 'olive'
• Whitman's dooryard bloomers
• Flowers with the Latin name Syringa
• Trees favored by giraffes
• Rhododendron relatives
• Wattles and clay antedate concrete in architecture's structural origins
• Rhododendron's relatives
• Landscaping flowers