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topicquestion
Non-native astilbe resemblance to non-native poisonous castor bean from Tomslake BC
May 21, 2014
I have a plant that looks like a castor bean but it has flowers like a Younique Silvery Pink Astilbe. Need to id because castor bean is poisonous. This plant grows up to 5 feet in height. Thank you !
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Removal of thistles from Columbus TX
May 20, 2014
I am sorry if you have an answer in FAQs but I could not find it. We recently cleared property near Columbus Texas of many cedars (ash junipers). This spring we experienced a profusion of thistle -...
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Transplanting non-native crape myrtle in Scottsdale AZ
May 11, 2014
When is the best time to transplant dwarf crape myrtle in Scottsdale AZ?
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Problems with Habiturf in Austin
May 10, 2014
I have been trying to establish a Habiturf lawn in my back yard. It is approximately a 1,000 square foot area and this last seeding was the third over about one and a half years. I just recently over ...
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Plants to grow under elm tree in Amarillo TX
May 01, 2014
I have a large elm tree and I can't get seem to get anything to grow under it. I was wondering if there are any shade-loving groundcovers that you would recommend (have tried English Ivy, hostas, an...
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Roses for Austin soil
May 01, 2014
What roses would work in the soil near Lake Austin Spa?
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Problems with non-native Banana Shrub from Houston
May 01, 2014
My 7' beloved Banana Shrub (magnolia) has white dots on top of the leaves and nasty black stuff covering the backside of the leaves. The plant is dropping leaves. What can I do to save it? I has bee...
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Growth rate of non-native Asclepias curassavica
April 29, 2014
As a volunteer at the National Butterfly center, I wonder how long from starting the seeds until the plant reaches approximately 20 cm tall does it take a tropical milkweed (asclepias curassavica) to ...
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Non-native, invasive mimosa trees in Vincennes IN
April 29, 2014
I have 3 Mimosa trees here in Vincennes, Indiana and so far none of them are leafing out this spring (4-28-14) Do you think that this past winter could have killed then?
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Blossom end rot on non-native tomatoes from Newport RI
April 25, 2014
Can epsom salt or eggshells end blossom end rot on tomatoes?
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Plant Identification from Honolulu HI
April 24, 2014
We have a ground cover in our Honolulu garden that I have been told is Watermelon Plant. (Not the fruit). We would like more, but cannot find it or the proper name for it. Aprox. 6" round leaf. It...
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Help for a Transplanted Bougainvillea
April 22, 2014
I recently planted a bougainvillea in our south-facing front yard. While planting it, we inadvertently severed a large portion of the root system from the plant. What, if anything, can we do to help...
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Non-native invasive carrot wood tree losing leaves in Alpine CA
April 22, 2014
My carrot wood tree is losing all of its leaves. The tree is about 15foot high & 13 years old. Could it be gophers? The tree was trimmed 1 year ago.
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Control of non-native invasive Japanese Barberry from Enfield NH
April 22, 2014
I recently bought a home that is bordered by woods and a sizable area of invasive Japanese Barberry growing on a steep hill in and around a stone wall making it that much harder to dig up. I've alway...
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Shade tolerant plants for privacy from Larchmont NY
April 19, 2014
Love your site! We have a 4'x4'x50' stone wall, full sun, with a planting bed 30"H by 24"D. We're looking for privacy, so a hedge with pruning is needed. We have looked at Ilex Crenata (8'),...
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Deer resistance of non-native Leyland Cypress from Kerrville TX
April 19, 2014
Are Leyland cypress deer resistant?
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Ivy a suitable ground cover in Live Oaks from Gulfport MS
April 17, 2014
Will Ivy be a safe and suitable ground cover for old growth Live Oak trees in coastal Mississippi?
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Lists of medicinal plants from New York City
April 11, 2014
Do you know any resources for lists of medicinal plants native to New York? Thank you
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Replacing St. Augustine grass from Dallas TX
April 10, 2014
Dear Mr. Pants, we are replacing dying St. Augustine grass in a small, sunny back yard with ground cover. What are your recommendations for a drought-tolerant evergreen ground cover? We will till a...
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Dying foliage on non-native Otto Luyken Laurel from Georgetown KY
April 09, 2014
I have 5 luken laurel scrubs planted around foundation. They have done very well until this last winter..the foilage is now brown and crispy. Will they come back? Do I need to prune back the damage...
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Planting Mountain Laurel grown from seeds in Argentina
April 09, 2014
Hello, I was transferred to Cordoba, Argentina 2 years ago from San Antonio, the climate hereis similar to S. TX, anyway I brought some mountain laurel seeds with me and they have been in 2 gallon pot...
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Plant mistakes from Cedar Park, TX
April 09, 2014
At our "Wilts End" in Cedar Park, TX. and are looking for a tall shrub/tree that will hide a 6-ft tall concrete wall and muffle the noise from a busy street. The wall forms a very wide-angled V shap...
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Diseased non-native red tip photinias from Richmond VA
April 08, 2014
Our red tip trees have a while substance on the bark at the base of each tree..look like some kind of fungus or mold, but we don't know how to get rid of it. Please help.
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Mosquito problem from Mesa AZ
April 07, 2014
We have a mosquito problem in our backyard, I think they're grass Mosquitos. I wanted to get lemongrass for a deterrent but both nurseries were out so I opted for rosemary. They're ALL OVER the rose...
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Grafting different colors of Tecoma from Casa Grand AZ
April 01, 2014
Is it possible to graft different colors of tecoma and if yes, is the process same as process for grafting roses?
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Pruning of non-native oxblood lilies from Austin
March 27, 2014
My Oxblood Lilies flowered quite late last Fall. Their foliage is still very green. Can I cut it down now or do I have to wait until it goes brown?
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Comments on previous answer on non-native invasives from Raleigh NC
March 27, 2014
https://www.wildflower.org/expert/show.php?id=7827 This answer is incorrect. Please have someone review it to remove the two invasive species you are encouraging people to plant by calling them nati...
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How many Bamboo species are native to North Carolina? one
March 27, 2014
I would like to know how many bamboo plants are native to North Carolina?
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Why is Common Horehound missing from NPIN?
March 27, 2014
Hi there, I am not able to find Marrubium vulgare, i.e. Common or White Horehound, in the Native Plant Database. It grows abundantly on our ranch in Central Texas, and I am attempting to grow i...
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Eliminating kudzu from Richmond KY
March 26, 2014
I live in Richmond KY, Kirksville area. I have noticed that Kudzu has started to grow in my patch of land next to the creek. How can I get rid of this before it becomes a big problem?
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Type of clumping bamboo for outdoor planters from Plano TX
March 25, 2014
What type of clumping bamboo can be grown outdoors in planters in Dallas,TX?
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Native turf grass for Austin
March 24, 2014
I am installing a xeriscape landscape in my yard. It will be in full sun and I am looking for an alternative to turf, such as monkey grass. However, I am concerned about the light. Suggestions?
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Wildflower Center work on non-native, invasive Bastard Cabbage from Austin
March 20, 2014
Still have cabbage weeds that infiltrated Austin awhile back. How did Wildflower Center resolve it?
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Getting rid of non-native, invasive English Ivy from Davidsonville MD
March 19, 2014
Just moved and need to rid the well established Ivy planted on the steep slope area around the back and side of the house as it is taking over the bushes on the top and trees in forested area at botto...
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When will non-native Confederate Jasmine bloom in Austin
March 03, 2014
I have 2 large Confederate Jasmine plants growing in 3 gallon pots on either side of an arbor I built for my friends wedding. The wedding is in 1 month and I'm wondering if this jasmine typically bl...
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Sheet mulching before planting Habiturf from Grand Prairie, TX
March 03, 2014
Have you tried sheet mulching as a bed prep and to kill bermuda grass before planting habituff?
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Damage to Yucca rostrata from Nottingham, England
February 26, 2014
Hi, I have a yucca rostrata which has had its head snapped off in high winds (we live in Nottingham, England) we have left the trunk in the ground, will this re grow?? What is the best thing to do wit...
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Is Mimosa pudica poisonous from Janesville WI
February 21, 2014
I have just recently learned of Mimosa Pudica also known as the sensitive plant. I see using the USDA website that it can be found in the USA so I think that covers the North America aspect. I have b...
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Plant identification
February 20, 2014
I'm not sure of county of origin. It was given to me by someone I no longer have contact with. When I initially received it I thought it was just a small potted vine of some type. I've had it a yea...
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Invasive thistles in wildflower field from Dripping Springs TX
February 17, 2014
How to get rid of "native" thistles.. I have a large natural field that used to grow a variety of wildflowers, but in 2011 and 2012 it was taken over by thistles. I'm sure they are "native" Texas...
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Is non-native mascagnia macroptera poisonous to animals from Hockley TX
February 17, 2014
Is Mascagmia macroptra (Butterfly Vine) poisonous to animals (horses and dogs)?
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Non-native eleagnus from Jesup GA
January 17, 2014
An elderly farmer has told me about a plant called Alley Agnes, but I can't find any plant by this name anywhere. He doesn't know another name for it, says it's what everyone has always called it i...
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Help with non-native plants in California
January 14, 2014
I am growing some beads of pearl in my front yard in front of a pepper tree that has been around for over 150 years. My question is what can I do to get my beads of pearl to grow without cutting down ...
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Problems with non-native citrus trees from Mesa AZ
January 13, 2014
We have one valencia orange tree and one naval orange tree in our Mesa, AZ yard. Just noticed some oranges on both trees have a 1/4 inch diameter hole through the skin and the orange fruit and skin a...
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Plant identification of bamboo-like plant in California
January 10, 2014
We just bought a house in Cambria, CA. The plant I'd like to ID grows like bamboo -- spreading fibrous stalks abt 6' high with beautiful orange blossoms that protrude out the top of the stalk. The...
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Use of non-native pothos for outside wall from Las Vegas NV
January 05, 2014
I am in Las Vegas, NV. I live in a cottage-style apartment so I have a north facing porch with no one on the west so I get some there (and have an inherited cactus probably a yard all round) I would ...
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Thoughts on non-native Italian Cypress in Austin
January 01, 2014
I would like to know your thoughts on growing Italian Cypress trees in Austin Texas? We are looking to create a privacy screen(and prepared to pay more for mature trees to cut down the wait to grow...
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Identity of mystery plant in non-native commercial forage mix
December 17, 2013
Dear Smart One, I use a commercially prepared, fortified, chopped forage based on a mix of orchard and Timothy grasses. The bags are shipped in from out of State. However, I have been finding short s...
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Advisability of growing Silybum marianum (Milk thistle)
November 26, 2013
I just received a load of clay-mix-dirt - and after our recent rains noticed the pile sprouting what looks like "Milk Thistle." Lots of them. The leaves are spiny and variegated - quite pretty. ...
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Wintering non-native liriope spicata indoors in Chillicothe IL
November 08, 2013
I live in zone 5, zip 62523, wintering liriope spicata starter plants in basement, ambient consistent. Do I need grow lamps or is the plant satisfied being dormant as long as I do not let it dry out? ...
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Plants for church gardens in Ft. Worth TX
November 07, 2013
Second attempt. Our church has many gardens in Fort Worth, TX. There are gardens for blue,red,yellow,white,purple,orange,pink,mixed,community garden,roses, and more. I am interested in the la...
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Rose bush varieties and time to plant from Hutto TX
October 31, 2013
What rose bush varieties are recommended for the Hutto Texas area and what time of year is the best time to plant into ground? Thank you.
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Do white-tailed deer consume King Ranch bluestem?
October 25, 2013
Will white-tail deer in central Texas consume King Ranch bluestem ?
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Flying insects eating leaves of non-native Brugmansia in Aline CA
October 17, 2013
I have an Angel Trumpet tree. We live in Aline, California 30 miles east of San Diego. Little yellow and black flying bugs eat the leaves. Do you have a remedy for this problem.
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Sprout from a non-native sago palm in Poinciana FL
October 16, 2013
I have two mature (10 years old)sago palms. One of them sprouted a new "head' at the top of the trunk. It is competing with the original one. It is not a pup coming from the root area. Can I cut it ...
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Correction of tree name from Bay Point CA
October 16, 2013
The tree should of been Mulberry don't know how it was changed!! Tuesday - October 15, 2013 From: Bay Point, CA Region: California Topic: Non-Natives, Cacti and Succulents, Trees Title: Non-...
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Native alternative to tulips from Milford MI
October 15, 2013
What could be a good alternative to tulips? I have not seen a native plant quite like a tulip (except a tulip tree). A good alternative should bloom in April or May and have showy flowers. I searched...
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Comment on previous answer from Austin
October 15, 2013
Ms Bradford, You just answered my question about St. Augustine grass.. actually, you didn't answer it.. You said "sorry, wrong number". Very funny. I think you misunderstood... I would rather no...
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Questions on non-native St. Augustine from Austin
October 15, 2013
I have St. Augustine grass in my yard. I am having work done in my yard soon, which will require new sod. I know the St. Augustine has to take root in the ground before the first freeze, to assure t...
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Non-native jade plants and spider plants beneath Mayberry tree in Bay Point CA
October 15, 2013
I have a fruitless Mayberry in my back yard that's about 50/50' can I plant jade and spider plants under it? The tree is very healthy.
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Problems with non-native photinia in Austin
October 07, 2013
Hi, I live in Cedar Park, TX (Austin Suburb)and have planted a number of Photinia shrubs in various areas of my property. All about 10 months old. The leaves are curling along their length on many...
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Problems with non-native St. Augustine lawn from Austin
October 06, 2013
We have St. Augustine in our front lawn. There are some patches where the grass has entirely died but mixed in with the dead areas are little clumps of living grass. It seems to be spreading througho...
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Native grasses for golf courses from Austin
October 06, 2013
I may be working on two different golf courses and wanted to know if any native or hybrid native grasses would work for the fairways and rough areas? The rough areas are no problem as a number of ...
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Wrapping a newly planted non-native Japanese maple from Fraser MI
October 01, 2013
Does a newly planted Japanese maple need to be wrapped in burlap for the cold and snowy winter of Macomb County, Michigan?
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Distribution vs. Native Distribution in NPIN?
September 27, 2013
I'm a Habitat Steward in Austin and conducting a native plant swap tomorrow, 9/28/13. I need to be able to tell people who come whether their plant is native or not. I want to use your smart phone ...
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Removal of non-native zoysia grass from Burgettstown PA
September 12, 2013
What is the most effective method of killing zoysia grass? We bought a house that sits in the center of four acres of mature zoysia. It looks beautiful, however, despite our best efforts at "weeding...
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Propagation of poinsettias in water from Houston
September 06, 2013
Pointsettias - we have a broken branch that is thriving in a jar of water with new leaves and additional small branches. When we plant the stem in dirt and even a muck, the growth starts to wither. ...
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Problems with non-native Chinaberry tree from Tucson AZ
September 05, 2013
I have a 30+ year old Chinaberry tree and this year the branches are much sparser with leaves and there are a lot of small dead branches. Should I fertilize and what should I use? Thank you
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What are the differences between Arbutus xalapensis, A. unedo and A. marina
August 29, 2013
One nursery lists madrone trees as arbutus uneda compacta and arbutus marina. The other lists it as arbutus xalapensis, which is the only name I can find in the data base. There is a very large pric...
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Planting wildflowers from Wichita Falls, TX
August 24, 2013
Hi, Thanks so much for the answers you give! You've been very helpful to me in the past. I have two quick questions: 1) I have been harvesting seeds from my wildflowers. I wonder when the best time...
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Does non-native Crown of Thorns cause cancer?
August 24, 2013
Does the plant, Corona De Cristo (Crown of thorns) cause cancer?
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Shriveling agave from Miami Florida
August 23, 2013
Dear Mr. Smarty Plants, Most upset - My beautiful agave (wish I could have submitted an image) has stared to misbehave. The once first liquid filled leaves, are starting to look more like the skin ...
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Plant ID of invasive vine from Austin
August 21, 2013
A friend lives in southwest Austin and has a vine that's coming up all over her yard. I am a Williamson County Master Gardener and have asked all the garden gurus in my group what it is from a photo ...
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Non-native Japanese maple for East Northport NY
August 20, 2013
I live in NY and I am looking to plant a Japanese maple in front of my house. It would be in front of a window so I'm thinking should I get a dwarf? Or a semi dwarf? I know I want a red color but un...
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Rose care for Austin
August 18, 2013
I am a transplant from the Pacific NW and need to relearn rose care for Austin. When is the best time to cut back the roses, or do I even bother? I also need to find out how far back I can trimming a...
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Has Texas Black Persimmon been crossed with non-native persimmons from Austin
August 17, 2013
Hi. I just found a Texas Black Persimmon in my neighborhood. The fruit is olive green and then black, then it explodes into a black slurry of seeds and syrup. The color is so strong I find myself wond...
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Arborvitae for house plant from Austin
August 15, 2013
I am a Northerner transplanted to Austin, TX. While I love Austin it feels like many of the plants & trees I came to love up north won't grow here at all. Could I grow an arborvitae in my home as a...
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Identification of tree bought from a magazine ad
August 11, 2013
I recently submitted the following question to Ask An Expert. They were unable to identify the plant. I hope you will be able to. Can you help me by either identifying this plant or advising me a...
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Possible maple scale on non-native mophead hydrangeas from Newport RI
August 07, 2013
I have a mophead hydrangea that has small white cottony tufts under the leaves and on the stems. I believe this is maple scale. Is there a home remedy I can use to rid this disease?
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Problems with non-native, invasive Japanese Privet from Peoria AZ
July 31, 2013
I have Japanese Privit bushes. one out of 6 has started to grow very small leaves and does not look healthy. Moon Valley told me shortage of zinc, but that has not helped in 3 months. What can I ...
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Plants for a nursing home resident from LaQuinta CA
July 26, 2013
I take care of an elderly woman with dementia. She is in a nursing home and she's always LOVES flowers and plants. Do you have any suggestions for potted outdoor blooming plants for the summer in...
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A cactus-like plant with stinky flowers
July 22, 2013
Because of the green parts looking like certain cacti, a friend insists that this plant she saw in Mexico is one. Its blossom doesn't have the rose-like structure that cacti have, but resembles the ...
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Non-native St. Augustine grass failing for 5 years in Houston
July 21, 2013
My townhome in Houston has a mid-size backyard, which receives full sun for much of the day. I've re-sodded with St. Augustine for 5 consecutive summers, but it consistently dies over time (proper fe...
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Red pods on Canna Lilies from Windsor VA
July 21, 2013
What are the dark red pods on my canna lilies?
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Are non-native hostas causing fly invasion from Eastpointe MI
July 14, 2013
I live in Michigan with a small backyard. I have 5 large hostas with the purple flower blooms which are located by my patio. I was wondering if they can be causing my large population of unwanted flie...
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Non-native Royal Empress tree with only green leaves from Chambersburg PA
July 12, 2013
I have 3 Royal Empress trees in my yard that are between 2-4 yrs old and have never been any color other then big Green leaves. Do you know when they will turn Purple?
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Non-native zoysia and bermuda grasses in Austin
July 11, 2013
We have Bermuda grass in the front and Zoysia in the back yards. The back grass is fine but the front yard Bermuda isn't. We have watered once each week during the spring and during the past 3 weeks...
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Support for non-native, invasive Nandina Domestica from San Antonio, TX
July 09, 2013
I consider nandina domestica to be a perfect plant for San Antonio, but see that it is on the list of invasive plants for surrounding eco-areas. How should I respond regarding one of my favorite land...
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Tree with taproot for Jodhpur India
July 05, 2013
I am a resident of India. I need information of a tree with tap roots to grow in my backyard. We have moderate to hot climate here. It needs to be as small as possible due to lack of space. It'd be g...
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Is Sucissa pratensis (Devil's bit scabious) allelopathic?
July 04, 2013
Lady Bird Johnson Wildflower Center pointed me to you. Can you comment on Devil's Bit Scabious? A neighbor pointed out these volunteer plants in my yard and wants me to kill them. He called them Devi...
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Problems with non-native weeping willow from Hazlet NJ
July 03, 2013
Leaves turning yellow on weeping willow planted in May. What causes this and how can I fix it? Mother's Day gift after SANDY uprooted huge tree.
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Non-native Sago palm roots damaging house foundation from Keystone Heights FL
July 03, 2013
Will sago palms roots hurt a house's foundation if too close?
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Non-flowering plants in Scottsdale AZ
July 01, 2013
I have three plants that are supposed to do well in Arizona but mine are not flowering. The yellow bells and orange jubilee I have get full sun, drip watered 3 x a week for 1 1/2 hrs (at 4am) and are...
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Growing non-native Cabernet Sauvignon vines in Central Texas
July 01, 2013
Hi. I recently moved into a remodeled home in Taylor, TX, and have experimented with Cabernet Savignon vines before. I have a 1/2 acre and a chain-link fence I want to put vines on. (I have a book o...
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Is a mulberry tree undesirable?
June 27, 2013
I have a hard time keeping plants alive, so I was happy when a random plant just started growing and thriving about 5 years ago in my yard. My mom (a frequent volunteer at the Lady Bird Johnson Wildf...
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Pruning non-native Chinese fringe flower from Austin
June 24, 2013
When is the best time of year to prune Plum Delight? And how severely can it be cut back?
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Forget-me-nots choking a spring in Bethlehem PA
June 20, 2013
Hi Mr. Smarty Plants, I am restoring a native plant area along a spring that feeds directly into our local creek. Right now the spring is becoming choked with forget-me-nots, that I am trying ...
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Lily plants being chewed from Austin
June 20, 2013
Something is chewing my lily plants to the ground. Any ideas what and do I stop them?
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White specks on unknown houseplant from Ridgeway SC
June 20, 2013
I have an unknown houseplant that seems to have some sort of pest or disease on it. It has white snowy specks atop its leaf. I bought this purple fuzzy leafed houseplant from Walmart in Winnsboro, SC ...
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Waxy deposits on Magnolia fuscata from Ethel LA
June 18, 2013
I have a 4yr old Magnolia Fascata (aka banana shrub)- I noticed that it has small oval shaped yellow waxy deposits on the branches.. I have also noticed small black ants on the branches. The unknown d...
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