En Español

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

Please forgive us, but Mr. Smarty Plants has been overwhelmed by a flood of mail and must take a break for awhile to catch up. We hope to be accepting new questions again soon. Thank you!

Need help with plant identification, visit the plant identification page.

 
rate this answer
Not Yet Rated

Friday - June 22, 2007

From: Paonia, CO
Region: Rocky Mountain
Topic: Invasive Plants
Title: Percentage of plants native to U.S.
Answered by: Damon Waitt

QUESTION:

About 50% of the plant species in Hawaii are naturalized, invasive, aliens (from other places). What are equivalent statistics for the lower 48 states (continental US) as a whole?

ANSWER:

Of the approximately 29,244 non-Hawaiian taxa listed in the USDA Plants database, 26,613 or 91% are listed as Native to the U.S. At best, Mr. Smarty Plants would say this is a rough estimate.

 

 

 

 

More Invasive Plants Questions

Non-native Royal Empress tree with only green leaves from Chambersburg PA
July 12, 2013 - I have 3 Royal Empress trees in my yard that are between 2-4 yrs old and have never been any color other then big Green leaves. Do you know when they will turn Purple?
view the full question and answer

Mexican feathergrass from Pflugerville, TX
January 23, 2013 - How deep are the roots of Nassella tenuissima? I'm looking for something that could possibly discourage my neighbors' bermuda grass from encroaching into my native plantings.
view the full question and answer

Native plants for southwest exposure in Tulsa OK
April 24, 2008 - I want to plant something in a bed on the South side of my house with some Western exposure. The space is in a bed that would share space with a Red Tip Photinia (next to the house)& liriope( on the ...
view the full question and answer

Removal of invasive non-native Chinese wisteria
September 10, 2007 - I am going to be removing my ubiquitous chinese wisteria very soon (the method I'm going to use is undetermined). If I decide to use Round-up on the cut-stem (which may take more than one application...
view the full question and answer

Non-blooming wisteria in Oklahoma
June 24, 2008 - I have a wisteria bush that doesn't bloom. It's two years old. What should I do?
view the full question and answer

Support the Wildflower Center by Donating Online or Becoming a Member today.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP | STAFF
© 2016 Lady Bird Johnson Wildflower Center