Heger, Mike. <br/><br/>
Growing perennials in cold climates / 
Mike Heger and John Whitman. 
 - Lincolnwood, Ill. :  Contemporary Books,  c1998. 
 - xvi, 431 p. :  col. ill., col. maps ;  28 cm. 
 - The contemporary gardener. .
 - Contemporary gardener. .
<br/><br/><label>ISBN: </label>0809229439 
<br/><br/><label>LCCN: </label>97038018 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perennials--Snowbelt States.<br/>Perennials--Canada.
<br/><br/><label>LC Class. No.: </label>SB434  / .H425 1998 
<br/><br/><label>Dewey Class. No.: </label>635.9/32