Zone:  4
Height:  25cm [10in]
Spread:  15cm [6in]; will branch annually, forming a large clump
Bloom:  May-June; very dark, rich wine-purple with light purple  "beard", fragrant, showy 
Foliage:  Mint green
Light:  Full  sun 
Water:  Average
Soil:  Moist, humusy, well-drained
Garden Location:  Front border, edging of path or patio