Shrubs

There is whole lot of shrubs that fit this category:

Dwarf spirea (Hortis gave a listing)
Potentilla
Hypericum (St. John's Wort)
Fothergilla
Deutzia
Crepe Myrtle
Cotoneaster
Annabelle Hydrangea
Ninebark
Roses such as Knock Out

Just Google these names and you will find more information and pretty pictures. Let us know if you have follow up questions.

Dennis - Johnson County Extension

All these are easy to find:

many varieties of spirea such as
'gold mound'
'anthony waterer'
'daphne'
'little princess'
'neon flash'
Neon Flash

Bronxensis forsythia

cotoneaster (some varieties - flowers arent as decorative as fruit)

hypericum

kerria

sweetspire "little henry"

dwarf lilac

barberry (color and form - flowers insiginficant)

dwarf cranberry (Viburnum opulus compactum? rarely flowers)

potentilla

azaleas/rhododendrons (choose smaller varieties)

mahonia

nandina (dwarf)