The Garden
Name: Yarrow 'Vintage Red'
Type: Achillea barbatus
Description:
Yarrow thrives across much of the United States except in extreme climates such as deserts and high mountains.  A tough plant with a tendency to spread by rhizomes, yarrow may even naturalize in you yard.  Before planting one, carefully consider whether it would be all right with you to eventually have multiple yarrow plants in you space.
Location:
 
Red
Bloom Time: Early Summer to Late Summer
Height: 12 in.
Spread: 12 in.
Care:
Pruning:  As the summer wears on, the plant can start to get leggy (especially i hot humid climates).  If this happens, and if you're content that you've enjowed enough blooms for a while, cu the plant back to a more compact size.  This reduction in plant height will help avoid excessive flopping and the consequent need for staking.
Propagation:
Diseases:
Diseases; arrow's aromatic leaves discourage animal pests from attacking it for the most part.  But this perennial is susceptible to fugal plant diseases.