En EspaŅol
Share

Ask Mr. Smarty Plants

Mr. Smarty Plants - Yellowing of palm tree leaves

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
3 ratings

Wednesday - May 14, 2008

From: Kyle, TX
Region: Southwest
Topic: General Botany, Diseases and Disorders
Title: Yellowing of palm tree leaves
Answered by: Barbara Medford

QUESTION:

I want to know about palm trees. The leaves are turning yellow.

ANSWER:

There are more than 2,500 plants in the palm family worldwide, but only about a dozen are native to the United States. We went looking in the Native Plant Database for palm trees that would be native to Texas and, therefore, could reasonably be expected to grow in Hays County. Of course, you may have a non-native palm, but they are probably closely enough related that what would cause leaf yellowing in one would cause it in others. The two Texas native palms we found are Sabal mexicana (Rio Grande palmetto), also called Sabal Texana, and Sabal minor (dwarf palmetto). We also found a website from TreeHelp.com, PalmTree Care. On that same site, there is a section on diseases of the palm tree, of which one is called Lethal Yellowing. We very much hope that is not the problem your tree is suffering, because it seems pretty serious. Read that section and the description of the symptoms, and you can make the decision whether that is the diagnosis.

Hopefully, your palm tree has just a normal occurrence of yellowing leaves, which can be caused by a number of different problems in most plants. We recently had another question on this, and you might want to read this previous Mr. Smarty Plants answer. Since we don't know exactly what palm you are growing, how recently it was planted, or in what environmental conditions it is growing, we could hardly hazard a guess. We hope you have enough information now that you can make an on-the-spot judgment on whether this is something that needs to be treated or can be ignored. And we hope you don't have to abandon your tree! If the problem appears to be wide spread and you know of others having the same indicators in their palm trees, contact the Hays County Extension Office for more localized help.

 

From the Image Gallery


Mexican palm
Sabal mexicana

Mexican palm
Sabal mexicana

Dwarf palmetto
Sabal minor

Dwarf palmetto
Sabal minor

More Diseases and Disorders Questions

Improving blooming on mock orange
March 03, 2008 - I have a now 6 yr. old mock orange shrub in the garden which has never bloomed, darn it. I have fed, not fed, mulched, not mulched, sheared, not sheared. What gives? Will it ever bloom, or shall I ...
view the full question and answer

Need help with a fungal disease in oak trees in Austin, TX
April 26, 2012 - Two adjacent oak trees in my yard are showing distinct symptoms of Sudden Oak Death. Most notably, the lowest ten feet of their trunks have several bleeding cankers with thick, tarry ooze and no accom...
view the full question and answer

Need help controling suckers from an ornamental plum in San Pedro, CA.
August 10, 2010 - I have an ornamental plum tree in my garden which produces a lot of suckers in my vegetable beds. I do not want to use harmful chemicals and cutting them back is a hopeless venture and leaves small...
view the full question and answer

Problems with recently planted trumpet vine from Worcester MA
October 20, 2012 - Dear Mr. Smarty Plants, I have a question about my recently planted Trumpet Vines. First of all, I live in Massachusetts, zone 6. The soil is perfect for the two vines, which I bought from a local nur...
view the full question and answer

Esperanza freezing back in Highlands, TX
April 16, 2011 - I have an 3 yr. old Esperanza that froze the last two yrs. but grew back each spring. This spring after getting about 2 ft. the leaves at the bottom began turning brown at the edges and now seems to...
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
© 2014 Lady Bird Johnson Wildflower Center