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

Sunday - April 15, 2012

From: Washington , NY
Region: Northeast
Topic: Non-Natives, Propagation
Title: Growing non-native lettuce under artificial light from Washington NY
Answered by: Barbara Medford

QUESTION:

Which artificial light( UV LIGHT, FLUORESCENT LIGHT AND INCANDESCENT LIGHT) makes a lettuce plant grow the fastest over a time period of 3 weeks and what would be your variables( independent, dependent and control variables) and discussion to this experiment? Please answer this, Mr. Smarty Plants, as I need it for my science expo.

ANSWER:

While we would like to be able to help you with your science project, we are not qualified to do so for several reasons. First, we deal only with plants native to North America, which lettuce is not. Lactuca salvia (lettuce) was first grown by the Egyptians,  then the Greeks and Romans, and was brought to the New World by early settlers in the 16th and 17th Centuries.

The second reason we can't help you is that we work to help gardeners grow plants native to their area outside in the ordinary rainfall, sunlight, temperatures and soil. Growing any plant, even a native, under artificial conditions, is out of our expertise. Here is an article about growing lettuce from the University of Illinois Extension Program.

For more information, read Do Plants Grow as Well Under Artificial Light? from EarthSky. An article on Aeroponics, Understanding Light Energy for Plant Growth Aeroponic Systems has some graphs comparing different forms of light.

 

More Propagation Questions

Transplanting sparkleberry trees in Southport NC
July 07, 2009 - I am interested in transplanting some sparkleberry trees to my yard. It is on the Cape Fear River and it would have full sun for a large part of the day. When would be a good time to transplant the ...
view the full question and answer

Restoring the woods in Central Austin.
May 08, 2012 - I live in Austin, south central between Red Bud trail close to the low water bridge and Bee Caves road. My question: I want to make the wooded sections of my yard attractive. They have filtered sun...
view the full question and answer

Trimming bloom stalks of iris
April 15, 2008 - Mr. Smarty: I live in Nevada, and have some very beautiful Iris plants. They have all blossomed and now I am left with stems. Is there any way I can cut them back so they blossom again? If so how shou...
view the full question and answer

germinating Gulf coast penstemon and purple coneflower
June 03, 2011 - I'm interested in propagating gulf coast penstemon (penstemon tenuis) from seed. Do I have to mascerate the 'berries' to remove the pulp from the seed, and do I have to stratify the seed to get th...
view the full question and answer

Controlling Passionflora Incarnata propagation
March 20, 2012 - Would a cinderblock raised bed, 8 inches in height, be sufficient to contain the roots of passiflora incarnata and keep them from traveling to places where I don't want the vine? Are the roots deepe...
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 | JOBS | SITEMAP | STAFF INTRANET
© 2016 Lady Bird Johnson Wildflower Center