Legacy bulbs-desirable plants or weeds

Boyce Tankersley btankers@chicagobotanic.org
Wed, 17 Mar 2010 08:05:32 PDT
Hi Kathleen:

Our experience at CBG strongly suggests that invasiveness is very much a
regional characteristic. For instance in the Chicago area Buckthorn is
invasive but in other regions experiencing a zone 5 climate it is not
invasive. In other words, the ability to invade is based upon a complex
interaction of environmental factors, not simply minimum winter
temperatures.

Boyce Tankersley
Director of Living Plant Documentation
Chicago Botanic Garden
1000 Lake Cook Road
Glencoe, IL 60022
tel: 847-835-6841
fax: 847-835-1635
email: btankers@chicagobotanic.org

"As a general guideline, if a particular species is a weed somewhere in
the  
world, growing in the same hardiness zone you garden in, be very wary  
of introducing it to your garden."


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