Answer: I'd suggest planting variegated weigela, buddleia, or hydrangea for fast growth. You might also consider: Cotinus c. 'Golden Spirit' (Golden Spirit Smokebush) which grows 8'T x 6'W. It has unusal bright chartreuse - yellow foliage that lasts until Fall. In Fall it develops tones of amber, burgundy and scarlet foliage. Smokelike plumes of whitish-pink flowers appear in summer.
Syringa x 'Josee' (Josee Lilac) grows 4'-6' Tall by 4'-6' Wide and is considered a dwarf in the lilac world. It's a dense growing plant that blooms with great fragrance and repeats the bloom throughout the summer. Lavender, purple buds open to lavender pink blooms in mid to late May.
Or, you might plant Pink Meidiland, a flowering shrub with deep pink flowers. I think any of these suggestions will give you the look you want while blocking out the view of the neighbors.
Enjoy your garden!
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