Rent Shop Volunteer Join

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

Thursday - November 17, 2011

From: Roanoke, VA
Region: Mid-Atlantic
Topic: Invasive Plants, Non-Natives, Planting
Title: When to plant non-native red-tip photinia
Answered by: Nan Hampton

QUESTION:

When do you plant the Red-Tip Photinia Flowering Shrubs in Roanoke VA?

ANSWER:

Photinia x fraseri (Red-tip photinia) is a hybrid cross of two non-native Asian species—Photinia serratifolia from China and Photinia glabra from Japan.  It is considered invasive in Texas, but not in Virginia.  Since our expertise and focus here at the Lady Bird Johnson Wildflower Center are with plants native to North America, we aren't really the source you should be asking about planting red-tip photinia.  The Roanoke Virginia Cooperative Extension office should be able to tell you; in fact, you can ask your question on their Ask an Expert – Master Gardeners feature.

Please visit Ask Mr. Smarty Plants again with questions about North American native plants.

 

More Invasive Plants Questions

Can a mustang grape and an oak coexist in Austin
November 04, 2009 - I have a healthy mustang grape vine growing on an oak in my yard. While the vine provides plenty of good food and a pleasant environment for many birds throughout the year, I feel it is overtaking the...
view the full question and answer

Identity of Dwarf Oyster Plant.
June 02, 2009 - I purchased a plant from the local Home Depot, and it said on the sticker in was a Dwarf Oyster Plant. I can't seem to find any information on that name, so maybe it was marked wrong. See if you ca...
view the full question and answer

Invasive spreading weed in Michigan that looks like a small pine tree
July 29, 2013 - I have an invasive spreading weed in my gardens. It has black root system, comes up looking like a small pine tree. The green breaks off when you try to pull it.
view the full question and answer

Grass for Seattle Arboretum
May 20, 2012 - I am writing to you on behalf of the Arboretum at South Seattle Community College Arboretum. I am interested in Panicum virgatum Switch Grass as a plant for a very heavy clay garden in our Arboretum a...
view the full question and answer

How to get rid of devils club (Oplopanax horridus)
November 22, 2007 - please tell me how to get rid of devils club!!!
view the full question and answer

Support the Wildflower Center by Donating Online or Becoming a Member today.