Native Plants
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?
Smarty Plants Question Topics
Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.
Search Smarty Plants
| topic | question | |
| Removing Old Poison Ivy Vines from Pecan Trees July 07, 2016 I am in the process of cleaning up a creek bank that has very old pecan trees on it. The pecan trees have large poison ivy vines growing up the trunks. We cut one vine and when it died and fell from ... View Mr. Smarty Plants' Answer |  | |
| When Should I Prune Texas Sage? July 07, 2016 How and when do you prune Texas sage to encourage thicker foliage? View Mr. Smarty Plants' Answer |  | |
| When to Prune Desert Willow in Texas? March 18, 2016 I just learned I should have pruned back my desert willows. It's early March in North Texas. Is it too late to prune now? They are not leafing out yet. View Mr. Smarty Plants' Answer |  | |
| Removing Center Stem From Desert Spoon (Sotol) in Phoenix March 11, 2016 I have a desert spoon. I hate the center stem. Can I remove the center stem without hurting the rest of the plant? And what is the best way to remove it? I looked for this answer in your questions bu... View Mr. Smarty Plants' Answer |  | |
| Should flower stems of Texas mountain laurel be removed after they bloom? March 02, 2016 Should I trim off the old flower stems from this years bloom on a Texas Mountain Laurel? View Mr. Smarty Plants' Answer | ||
| Pruning Wax Myrtle trees & bushes February 28, 2016 When is the best time of year to prune Wax Myrtle trees & bushes. View Mr. Smarty Plants' Answer | ||
| Pruning overgrown Texas sage February 15, 2016 Texas sage bushes have been left to grow like mini trees. Can we have trimmed back to get a 'full' bush? Bottom 2 feet of plant look so dead. Will it sprout again as a bush if trimmed back and do... View Mr. Smarty Plants' Answer |  | |
| Rejuvenating an old Wax myrtle hedge February 15, 2016 I have 8 wax myrtles that were planted about 9 years ago as a screen from our neighbors. They are about 12 feet high. During the past 9 months they are getting thinner and thinner. Two of them hav... View Mr. Smarty Plants' Answer |  | |
| Evergreen privacy screen 8 feet or less January 29, 2016 In needing to plant an evergreen privacy screen, what is the tallest Ceniza variety? I'm having great difficulty finding an evergreen hedge material 8' or less. After having taken a class in pla... View Mr. Smarty Plants' Answer |  | |
| Reducing the Height of a Redbud Tree January 23, 2016 We have a very large, about 15-year old, Redbud tree that is growing so tall it's obstructing our view of the river. How and when can we prune this tree back so it does not hurt the tree. View Mr. Smarty Plants' Answer |  | |
| Pruning a Martha Gonzales rose January 20, 2016 How much should I prune back an established Martha Gonzales Rose to keep healthy? View Mr. Smarty Plants' Answer | ||
| Decreasing the Height of Smooth Sumac December 09, 2015 I have a 9-10 ft. Smooth Sumac that I purchased from an LJWC plant sale several years ago. It has a main trunk and one branch about halfway up. I have read that these sumacs can be pruned down to almo... View Mr. Smarty Plants' Answer |  | |
| How to prune a Lantana tree October 02, 2015 I have a potted Lantana tree that will come indoors for the winter. It is quite large and should I prune it back for the winter? If yes, how do I prune it? View Mr. Smarty Plants' Answer | ||
| Pruning Spruce Pine (Prunus glabra) September 02, 2015 I have a Pinus glabra/spruce pine that is approx. 7' tall. It's limbs are few and some have been broken. Will trimming back the longer limbs to give it a Christmas shape harm this tree? View Mr. Smarty Plants' Answer |  | |
| Protecting storm-damaged pecan and black walnut trees in TX June 29, 2015 Several trees on our property in northeast Texas were uprooted by a tornado. A pecan tree with a circumference greater than 93 inches was carried to the ground. Although it is completely horizontal,... View Mr. Smarty Plants' Answer | ||
| Pruning non-native peach in Austin, TX. June 18, 2015 I planted two five gallon Texas Star peach trees last February but didn't have the nerve to prune them back to knee height. After having been convinced that this is a good thing to do, I'd like to k... View Mr. Smarty Plants' Answer | ||
| Cutting back a Rhododendron in Maryland June 17, 2015 I have a planting of six shrubs across the front of my house (alternating azalea & rhododendron). All have died except for one huge rhody & a small azalea next to it. Can I cut the huge rhody back to ... View Mr. Smarty Plants' Answer |  | |
| Pruning Live Oak trees to limit height. June 08, 2015 I notice many of my neighbors here in Katy (Fort Bend county) would have landscapers cut the lower limbs/branches of the live oak trees in their front yards, and the trees naturally keep getting talle... View Mr. Smarty Plants' Answer | ||
| Texas sage losing inner leaves May 14, 2015 I have a Texas Sage bush that on the outside is beautiful with green leaves. The inside branches (the middle) of the bush are bare of any leaves. Why? View Mr. Smarty Plants' Answer | ||
| Mountain Laurel suffering from Spring freeze May 12, 2015 I have a 4 1/2 ft Texas Mountain Laurel shrub in current location for several years. A hard freeze this spring killed every leaf on the tree, but the stems remained green. My other smaller Mt. Laure... View Mr. Smarty Plants' Answer |  | |
| Repairing Previous Silver Maple Pruning Damage May 09, 2015 I cut a limb off my silver maple wrong and now the trunk is developing a hole. What is the best treatment? View Mr. Smarty Plants' Answer |  | |
| Non-Blooming Bridal Wreath Spirea in PA April 23, 2015 We have 12 - 15 Bridal Wreath Spirea across our backyard. We have lived here for about 10 years (the plants longer). They have always bloomed except last year (2014) several didn't bloom and this y... View Mr. Smarty Plants' Answer |  | |
| Passiflora and Leucophyllum together in Texas April 23, 2015 I've got a Passiflora incarnata that has self-propagated around a cenizo sage. My question is, will the passionflower vine choke out or otherwise damage the cenizo? Do I need to cut back the vine? ... View Mr. Smarty Plants' Answer |  | |
| Southern Magnolia Damaged by Deer April 16, 2015 I have a young Southern Magnolia (about 6 feet tall) that was damaged by deer on the main trunk. The bottom 2 feet looks okay, but where they damaged it and tore branches off, and above that, the leav... View Mr. Smarty Plants' Answer |  | |
| Dealing with live oak suckers in Central Texas March 05, 2015 Hi, I have a couple huge Live Oak trees in my back yard. Trunks are 4' in diameter. These Live Oaks produce a lot of root sprouts/suckers. I had always head that a tree's roots feed on water/oxyg... View Mr. Smarty Plants' Answer | ||
| topic | question | |