Possible Clues:

• Horticultural feature
• View from the Oval Office
• Where standards may be set to be observed?
• Floral setting of gorse blossoming by forest
• Orange and reds could make for pretty backyard
• White House feature close to the Oval Office
• Metaphorical dream world
• '(I Never Promised You a) -- --', song originally recorded by Billy Joe Royal
• Pretty piece of ground? Could be dragons 'ere
• Blooming area, wild gorse and forest