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.
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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.
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| Restoration of mistflowers suffering from wet season June 27, 2007 I have planted gregg's mistflower in a bed that receives morning sun and afternoon semi-shade. It was beautiful and covered with blooms and butterflies this spring, but suddenly has become brown and ... View Mr. Smarty Plants' Answer |  | |
| Saprophytic fungus on mulch June 22, 2007 I just did some major landscaping in my west Austin, TX backyard. I added many native plants and mulched all of the new beds. I did this just before the heavy rains in the past two weeks. I now not... View Mr. Smarty Plants' Answer | ||
| Vascular wilt in Rhus virens June 22, 2007 Hi Smarty: Our evergreen sumac grew beautifully this spring (it is about 2 years old -- we got it at the LBJ Wildflower Center plant sale). Then its leaves suddenly drooped last month (May) and turn... View Mr. Smarty Plants' Answer | ||
| Whitefly infestation in roses and salvia June 15, 2007 Several of my outdoor plants (including Knockout roses and salvia) have a white residue on the stems. If I touch it a white bug jumps off. The residue can be wiped off or sprayed off, but the little... View Mr. Smarty Plants' Answer | ||
| Danger of oak wilt infestation in trees with storm-damaged limbs June 15, 2007 A recent severe storm in Southwest Austin broke large branches and trunks on many Live Oaks in my neighborhood, including my next door neighbors'. Can this invite Oak Wilt? I'm worried about my tree... View Mr. Smarty Plants' Answer | ||
| Stem canker or leaf fungus in Morella cerifera June 14, 2007 Dear Mr.Smarty Pants: The upper half of our wax myrtle, which we had allowed (with artful pruning) to reach about ten feet suddenly died this spring (it dropped most of its leaves and didn't sprout... View Mr. Smarty Plants' Answer |  | |
| Transplant shock in Achillea millefolium May 28, 2007 I had a clump of yarrow in my garden and was worried that it would become very aggressive to the other plants. I decided to transplant it into large clay pots to control it. Immediately after the tran... View Mr. Smarty Plants' Answer | ||
| Rose canker in roses on cedar posts May 24, 2007 While visiting the wildflower Center I saw that some of the plants were growing on trellis' made of posts cut from cedar trees. I made a trellis for my climbing rose bush and where the stems touched... View Mr. Smarty Plants' Answer | ||
| Reason for decline of Morella cerifera (wax myrtle) in Virginia March 30, 2007 We have Wax Myrtle bushes in our back yard. They were about 2 feet tall when planted 2 years ago and now are about 7-8 feet tall. The leaves have turned brown and are dropping essentially denuding the... View Mr. Smarty Plants' Answer | ||
| Yellowing of fronds on Sago Palm March 27, 2007 Our Sago Palm now has all yellow fronds from the Winter frosts. Should they be cut off? Will the plant grow new fronds from the bottom to replace the ugly looking ones that are there? And why do I se... View Mr. Smarty Plants' Answer | ||
| Control of sooty mold from aphids in Crape Myrtle February 25, 2007 I have a crape myrtle in my front flower bed that has a sooty black substance on the leaves and trunk. I've done research and understand this is caused by aphids. My question is how do I get the bl... View Mr. Smarty Plants' Answer | ||
| Problems with sunflowers in Florida November 03, 2006 I planted sunflowers on the west side of my house where I have previously planted them and they grew wonderfully. These new ones, however, seem to be dying, (less than 2 weeks). I bought the plants at... View Mr. Smarty Plants' Answer | ||
| Yellowing of Thuja occidentalis leaves in early Fall in Maryland September 12, 2006 Mr. Smarty Plants, I am from Maryland. Please help. I have planted 23 Thuja occidentalis Smaragd in my front yard a few months ago. Height of about 3 feet. Most of the trees have turned golden brown.... View Mr. Smarty Plants' Answer | ||
| Problems in germination of Asclepias tuberosa in New York August 31, 2006 I am a member of the Native Plant Center at Westchester Community College and I need information on Acleptis tuberosa. I am in USDA zone 6. Last year I planted fresh seeds purchased from Johnny's S... View Mr. Smarty Plants' Answer | ||
| Elimination of dirt dauber insects August 18, 2006 Hello - I live in the southeast part of Guadalupe Co. in the post oak savanna area. Do you have any suggestions on how to control dirt dauber dirt/mud nests. I know these critters are beneficial, bu... View Mr. Smarty Plants' Answer | ||
| Bark damage to Tulip Tree August 10, 2006 I have a tulip tree planted. It is about 9-10 years old. Two years ago the tree looked as though the trunk was cracked. Maybe hit by lightning after a storm. This year the bark on the side of tree... View Mr. Smarty Plants' Answer | ||
| Beneficial earthworms attacked by fire ants August 04, 2006 Is there a right way or a trick to releasing earthworms? I have a friend who has an abundance of earthworms in their soil so I took advantage of the situation. I released them in my freshly tilled gar... View Mr. Smarty Plants' Answer | ||
| Soapberry Transplant shock symptoms July 21, 2006 Please suggest a cause & cure for general yellowing of the leaves of Western Soapberry when planted in the ground 20 miles NW of Austin (thin, poor clay over limestone). Trees still in containers are... View Mr. Smarty Plants' Answer | ||
| Salvia, geum transplant shock symptoms July 21, 2006 I need some help. I transplanted 2 xeriscape plants and they are not doing well. 1 is Pitcher Sage-sorry I don't know botanical name; the other is White Avens. The've grown a lot but all the leave... View Mr. Smarty Plants' Answer | ||
| Root rot and transplant shock in Texas betony July 13, 2006 Texas betony is supposed to be drought resistant but also likes to be kept moist, but I have had trouble getting it established. These seem to be undemanding plants I have had entire stems dry up and... View Mr. Smarty Plants' Answer | ||
| Leaves falling off recently transplanted mature Mountain Laurel July 05, 2006 I have recently purchased a Mountain Laurel for my backyard landscaping. It is a fully matured ML standing over 9 feet tall by 6 feet wide. Since it was planted (about 6 weeks ago) it has been losin... View Mr. Smarty Plants' Answer | ||
| Mystery pest eating portulaca blooms July 02, 2006 I'm from Texas and I purchased some portulaca from a local nursery about three weeks ago and planted them in the front yard....with plenty of sun. Here's the problem. The foliage seems very health... View Mr. Smarty Plants' Answer | ||
| Possible reasons for yellowing leaves in seedlings in Ohio June 19, 2006 I have a problem with my seedlings. They start yellowing of one leaf then die. When I remove the leaf another one starts. I have photos. I have two differant seedling plants and they are experiencing... View Mr. Smarty Plants' Answer | ||
| Diagnosis of problems with Texas ash June 07, 2006 Our 15 year old Texas ash has less leaf production this year. It also has a small amount of algae on the trunk, and some of the branches have small white spots on it. Also, a few of the branches close... View Mr. Smarty Plants' Answer | ||
| Possible reasons for death of Wax Myrtle (Morella cerifera) in Austin April 04, 2006 Several wax myrtles in my neighborhood appear to have died. Should we have the soil or tree checked for fungus, or should we atrribute the death to freeze or age of the trees? View Mr. Smarty Plants' Answer | ||
| Problems getting desert western US plant Stanleya pinnata to bloom in England March 13, 2006 I am having trouble getting my Princes plume (Stanleya pinnata) to produce a flower and then go to seed. Do you have any advice on triggering flowering in this plant? View Mr. Smarty Plants' Answer | ||
| Hibiscus wilt in Texas Star hibiscus November 10, 2005 I have a Texas star hibiscus on my deck. It flourished all summer, but not quite a month ago, the leaves turned yellow and fell off. Will it come back? What happened??? View Mr. Smarty Plants' Answer | ||
| Cotton root rot in Purple Sage, Leucophyllus frutescens November 09, 2005 We had three Purple Sage shrubs in our front yard. They did very well for about three years and then this past year they just died. From what I have read they are pretty hardy so we are really stum... View Mr. Smarty Plants' Answer | ||
| Smarty Plants on fungal attack October 12, 2005 I have three plants that have been getting fungus on their soil and I've tried to get rid of it by scraping it off, watering it less and more sunlight. It's two coleus and a begonia. I don't know... View Mr. Smarty Plants' Answer | ||
| Smarty Plants on lantana in Dallas September 14, 2005 For several years, the lantana plants in my backyard in Dallas grew and bloomed all Summer and Fall until the first real cold snap. I've loved having a native plant that didn't need constant care a... View Mr. Smarty Plants' Answer | ||
| Fasciation on brown eyed Susan August 28, 2005 I have a flower in my garden that blooms every year. This year I have a very strange breed--there is a double flower. I do not know the name of the flower or what kind it is. I only know we nickname... View Mr. Smarty Plants' Answer | ||
| Controlling mildew on Gaillarida sp. August 11, 2005 Any suggestions for controlling mildew on blanket flower? It's spreading throughout my garden. View Mr. Smarty Plants' Answer | ||
| Smarty Plants on Oleanders June 11, 2005 I have 3 Nerium Oleanders. In the winter they come indoors, and are under grow lights. They are in big pots. We just put them outside on patio, and they don't look good. They still have green tips ... View Mr. Smarty Plants' Answer | ||
| Smarty Plants on mockoranges May 25, 2005 I live in Colorado where it is common to have 1 or 2 late frosts. I planted 4 littleleaf mockoranges (Philadelphus Microphyllus) 2 years ago and they are pretty much in full sun most of the day. I h... View Mr. Smarty Plants' Answer | ||
| Treatment of mealy bugs on house plants April 19, 2005 I have some house plants that have a "fungi" that has appeared and spread from one to the others. I believe it is killing the plants. It is a white fuzz the is sticky to the touch. when i whip it... View Mr. Smarty Plants' Answer | ||
| Health of pond cypress April 08, 2005 Is there a common reason pond cypress trees vary greatly in their apparent health in similar conditions? I have 7 of them on my property, only two look healthy, one died and fell down recently. The lo... View Mr. Smarty Plants' Answer | ||
| Pustules on geranium March 28, 2005 I have a geranium that has developed oblong red/brown pustules/raised bumps on the undersides of the lower leaves. The foliage around the bumps is stil green but everything else has yellowed View Mr. Smarty Plants' Answer | ||
| Smarty Plants on arborvitaes March 28, 2005 Hello, I live in Allentown, PA and have a 7-foot arborvitae shrub in my backyard, planted in the corner of the yard where a wood fence intersects with the brick wall of the garage. I have had ma... View Mr. Smarty Plants' Answer | ||
| Survivability of plants after freeze December 08, 2003 I have many beautiful plants that froze. Some were Lantana, Hummingbird Bush, Candlestick Trees, Esperanza, Some flowers, and Marigolds. I love all of my plants and flowers and I want them to grow bac... View Mr. Smarty Plants' Answer | ||
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