All Plants

Spikes of violet-blue flowers bloom from spring into early summer. Easy to grow in a range of soils if the soil stays moist and has good drainage. Blooms in late spring to midsummer. Makes a good groundcover for a small area, and perks up rock gardens...

1993 Perennial Plant of the Year. This clumping perennial is known for outstanding rich green foliage and long bloom time - early summer to late fall. Great in borders and rock gardens and prefers not to be kept too wet. The tubular, violet blue flowers...