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Q. Who is Mr. Smarty Plants?

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 is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

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Questions From Near You

Eureka, MO
Wildflowers for bees in Missouri
Mr. Smarty Plants, I just became a beekeeper and would like to plant wildflowers that are best for bees. The area to plant is partially shaded with clay soil. Do you have any suggestions?
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House Springs, MO
Wildflowers to grow in dense crownvetch in Missouri
What wildflowers might grow in dense crownvetch?
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Ballwin, MO
Flowering native perennials for St. Louis
Dear Mr. Smarty Plants, I'm trying to landscape a yard that sits on rocky clay soil in St. Louis, MO. The front yard has been difficult because of its brutal southern exposure - the afternoon sun ...
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Chesterfield, MO
Pruning of Burning Bush in Missouri
I live in MO and am pretty sure I have burning bushes on either side of my deck. My question is that they are huge and overgrown but I feel if I cut them lower and shape the sides up I will be left w...
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Kirkwood, MO
Preparation of site for wildflowers in Missouri
I have 1/2 lb of wildflower seed I would like to plant in the next couple days. the directions say to rid site of all weeds, do you have a suggestion of how to rid my site of thistle? Sow and canadian...
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Arnold, MO
Low-maintenance grass for retention pond
I would like to know what would be a low-growing grass to put down for a water retention pond. We have clay and rocky soil. The incline of the sides of the retention pond are about 20 feet with gra...
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New Melle, MO
Care and propagation of Kentucky Coffeetree
I found a tree on our property in Missouri, after some reserch I found that it is a Kentucky Coffee tree. I collected several of the pods and would like to know how I can plant them to grow. Thanks.
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O Fallon, MO
The effect of plant growth regulators (PGRs) on tall grass species
I have a question about some established native grass areas that we have on our golf course in eastern Missouri. For the past eight or nine years we have been working hard to transition these areas f...
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St. Charles, MO
Looking for pink star grass (Rhodohypoxis milloides)
I am looking for a wildflower/plant called Pink Star Grass (common name). I am not sure what the proper name is. Can you help me with this? I would like information on it, and also would like to pu...
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St. Charles, MO
Yellowing foliage on a lemon cypress from St. Charles MO
I recently received a lemon cypress tree as a gift. After about a month we transplanted it outside and the foliage turned from a light green to a yellow color. Is this normal? The tree doesn't app...
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Saint Charles, MO
Promoting bloom in Chocolate Summer Mimosa
Please help! I purchased a Chocolate Summer Mimosa from one of our local nurseries. It was a brand new plant to them and they don't really know much about them. I planted it just 3 years ago as an...
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Union, MO
Groundcover for wet area in Missouri
Hello, I live in Missouri and our neighborhood is built over a natural spring. Half of my yard remains wet/moist for weeks to months and we can't mow it. I'm looking for a ground cover and plants...
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Washington, MO
Rain garden for Washington MO
I have a 40' tall bald cypress at the bottom right corner of my sloped yard (slopes from 2 sides, has 3 gutter runoffs directed towards it from 50-70' away). Can I put a series of retaining walls up...
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Washington, MO
Further explanation of retaining walls and trees from Washington MO
I had a question previously about putting retaining walls across the root system of a 40' tall bald cypress tree(not like spokes on a wheel, but concentric to tree trunk). How wide can the walls be? ...
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O'Fallon, MO
Earliest spring wildflowers from O'Fallon Mo.
Which spring wildflower blooms first around the St. Louis area?
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Crystal City, MO
Growing non-native Knockout roses and golden euonymus together from Crystal City MO
Can you plant knock out roses and golden euonymus together?
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St Louis, MO
Toxicity of barren strawberries
Are barren strawberries toxic? .
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Saint Louis County, MO
Deer Resistance and Erosion Control for St. Louis County MO
I am looking for deer and rabbit resistant native plants for erosion control on a steep ravine slope with part sun and part shade in St. Louis County MO.
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St. Louis, MO
A vine to atract hummingbirds in MO
I am looking for a non invasive vine to plant on a trellis near buildings/brick patio to attract hummingbirds (and other birds and butterflies).
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St. Louis, MO
Small evergreen native shrubs for apartment garden in shade in St. Louis
I live in an apartment in St. Louis, MO, and have a small patch of rocky soil in the stairwell that I would like to plant with a native or natives. The area is entirely shaded, but all the natives I...
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St. Louis, MO
Disease of eastern red cedars (Juniperus virginiana)
I have multiple Eastern Red Cedars spaced in my woods which are sick and dying. Some were transplanted years ago, others are volunteers, all are less than 4 ft tall. The foliage turns brown in vario...
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