En EspaŅol

Q. Who is Mr. Smarty Plants?

A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Share

Ask Mr. Smarty Plants

Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

Search Smarty Plants
    
 
See a list of all Smarty Plants questions
Can't find the answer in our existing FAQs, submit a question to Mr. Smarty Plants.
Need help with plant identification, visit the plant identification page.
 
rate this answer
21 ratings

Sunday - April 03, 2005

From: LAWNDALE, CA
Region: California
Topic: Invasive Plants
Title: Where is marijuana plant native?
Answered by: Nan Hampton

QUESTION:

In what part of the world is the marijuana plant native?

ANSWER:

The origin of marijuana, or hemp, (Cannabis sativa), was the Causcusus region of eastern Europe, India, and Iran but now can be found growing all over the world in warm to temperate regions. You can read "A Description and Natural History of Hemp" from the University of Texas Institute of Cellular and Molecular Biology.

 

More Invasive Plants Questions

Negative and positive effects of invasive dandelions from Rama Ontario
January 12, 2012 - How do Dandelions have a negative impact of being a invasive and a Positive impact of being a invasive species ?
view the full question and answer

Native replacement for bamboo from Houston
May 21, 2013 - I've read one reply where you do not advise using Bamboo as a privacy fence plant. What do you suggest in its place? The suggestions on the one I read will not work for me. Your suggestions were My...
view the full question and answer

Elimination of nutgrass
May 06, 2008 - Nutgrass has taken over my vegetable and perennial garden to the point that I can not see my plants or granite sand paths. The two major areas are about 600 square feet in total. What can I do to co...
view the full question and answer

Identification of lantanas safe for use in Florida
February 10, 2008 - Why do you list lantana camara as a native to the U.S. and as a native plant in Florida? It is a category one invasive exotic on the Florida Exotic Pest Plant Council's list of invasive exotics. La...
view the full question and answer

Care for iceplant in Hawaii
October 25, 2008 - Good morning Mr. Smarty Plants( I love the name) I live in Hawaii and have iceplant on the hill behind my house. Its established pretty well.I weed it often. How much water do I need and how can I get...
view the full question and answer

Smarty Plants's Facebook profile Support the Wildflower Center by Donating Online or Becoming a Member today.

Mr. Smarty Plants wants you to be his Facebook friend. Click the Facebook icon to add yourself to Mr. Smarty Plants list of friends.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP | STAFF
© 2015 Lady Bird Johnson Wildflower Center