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A: There are those who suspect Wildflower Center volunteers Nan Hampton, Jimmy Mills and Barbara Medford to be the culpable and capable parties. Yet, others think staff members Damon Waitt, Joe Marcus and Philip Hawkins might 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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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.

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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.

Questions From Near You

Balch Springs, TX
Seed companies selling winecups (Callirhoe sp.)
can you recommend some wild flower seed companies where I can purchase seeds of the winecups that I see growing all along the roadsides? I tried one wild flower seed company but did not have good luck...
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Balch Springs, TX
Reason for small winecup flowers (Callirhoe sp.)
I purchased some winecup seeds from a wildflower seed company and planted them this past autumn. I live in the northcentral Texas area. This spring, several of the seeds sprouted but they had tiny lav...
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Mesquite, TX
Two Holly Cultivars for a Texas Front Landscape?
We are starting a new with our landscape. All existing 30-year-old plants are going to be removed. We would like a focal point at the front door area and are considering 'Savannah' or 'Nellie R. St...
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Mesquite, TX
Evergreen groundcover or ornamental grass to plant under tree
What can I plant under my tree as a groundcover? I would like an evergreen groundcover, how about ornamental grasses?
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Mesquite, TX
Suggestions for flowerbed in Mesquite TX
I live in Mesquite and am new to the area. I am trying to make the flowerbed in the front of my house look better. I've planted some yellow roses and red roses but would like some perennial that bloo...
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Mesquite, TX
Are Bluebonnet seeds still viable after storage for a year?
I bought a pouch of Bluebonnets a year ago and now found them and have to wait to Fall to plant. Too old? Start over in purchase?
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Mesquite, TX
Hydrilla problems in Tom Bean Lake in Mesquite, TX.
What is the lifespan of Hydrilla in 30 acre lake at Tom Bean Tx? Does it grow spring thru summer and then hibernate thru winter ??
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Wilmer, TX
Plant identfication
a vine plant with small white flowers with a small red flower on the end of the bloom,looks like a little red bird sitting on the flower.It is beautiful.
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Dallas, TX
Is Hibiscus coccineus still considered native in Dallas, TX?
Is Hibiscus coccineus still considered native?. I recently was told by someone with the Native Texas Plant Society that it was no longer thought to have crossed the Sabine naturally. Thoughts...
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Dallas, TX
Fragrant perennial plants for shade in Dallas
I am looking for shade-loving perennial plants to provide fragrance in my garden. What plants would you recommend for my North Texas (Dallas) garden that is fully shaded by huge pecan trees? My curren...
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Dallas, TX
Seedball Germination in Dallas, TX
Last Fall we created thousands of seedballs with Lady Bird's wildflower seed mixture, compost and clay, and planted them along a bike trail in Dallas, Texas. We are so disappointed because nothing h...
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Dallas, TX
More on bluebonnets
When will the bluebonnets bloom in the Hill Country this spring? Please let us know. Thank you.
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Dallas, TX
Starting program for growing wildflowers on highways in Dallas
How can I start a planting program to grow wildflowers along the interstate and highways where I live?
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Dallas, TX
Why is non-native, invasive dandelion called a wildflower?
Why is a dandelion a wildflower? {I read it in a book.}
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Dallas, TX
Propagation of trumpet vines from Dallas
Can you tell me about trumpet vines, can they be rooted in water? I heard they reseed at the end of their growing season.
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Dallas, TX
Can you grow wildflowers on a Zoysia greenroof?
I have a 700 square foot zoysia grass roof with irrigation on a pool cabana that I would like to sprinkle with wildflower seeds (bluebonnets, indian paintbrush etc) Is this possible? What is the best ...
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Dallas, TX
Wildflower driving tours in Texas
I am looking for suggested wildflower driving tours in Texas. Do you perhaps have a listing of suggested driving routes one might take for a day or two in order to view the Springtime wildflowers? A...
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Dallas, TX
Possibility of Amyris madrensis or Amyris texana growing in Dallas
I live in the central city of Dallas, in the heart of the urban heat island (zone 8b). I am interested in Amyris madrensis and A. texensis. Will they survive winter here? Would they make a good eve...
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Dallas, TX
When and how to prune lavender (Lavandula sp.)
Dear Mr. Smarty Plants I have a Goodwin Creek Lavender plant that I planted last year. It did very well but my question is about pruining. It seems that there is some growth coming up now that it...
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Dallas, TX
Perennial wildflowers for lawn in Dallas
What perennial wildflowers can I plant in Dallas Texas that will bloom in March or early April that I can just toss out on the lawn? I know you have to soak bluebonnets.
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Dallas, TX
Is Phlox divaricata evergreen?
Is Phlox divaricata evergreen?
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