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topicquestion
Mexican oak and red oak not looking healthy
August 02, 2014
I purchased a Mexican oak tree and I believe a red oak tree from your center about 1 year ago. Recently I've noticed that they don't look as healthy as they have been, and I just looked at the leave...
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Live oaks dropping brown leaves
August 02, 2014
We have three live oaks and one of them has been dropping quite a few brown leaves over the past two weeks. I looked at pictures of trees with oak wilt and ours do not look like the pictures. I als...
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Transplanting Ilex x attenuata (Savannah holly)
July 31, 2014
Is it hard to take a savannah holly out of my front yard? Do the roots grow down deep or are they more shallow? I can only take a 36-40 rootball circumference because of surrounding established shru...
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Is Viburnum rufidulum monoecious or dioecious?
July 28, 2014
Is Viburnum rufidulum monoecious or dioecious? Your database does not address this for most plants.
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Pruning Post Oaks
July 26, 2014
I live in Houston and have two post oaks. One is right by my house. I'd like to trim them but was told they are sensitive and might die if I trim them. Is this true? What is the right course of ac...
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Mountain laurel with fasciation
July 24, 2014
My Texas Mountain Laurel bush has developed several "crested branches." What causes this, is it harmful & how do I get rid of them??? Thank you!
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Fast-spreading desert-type tree with thorns in yard
July 21, 2014
There is a fast spreading tree in my backyard - many multiple almost symmetric flat green oval leaves on either side of the stem (sort of like a moringa tree but this is not that). Grows straight up, ...
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Controlling live oak suckers in Florida
July 20, 2014
How do I kill emerging live oak sprouts coming from mature tree root system
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Controlling Tree Roots in Sewer Lines
July 16, 2014
We had a leak with our underground pipes near the meter box - the pipes are at least a foot or more underground. My plumber poured table salt on the pipes to deter roots from a nearby tree from gettin...
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Chinkapin Oak Planted Too Deep
July 15, 2014
I planted a 15 gallon chinkapin oak last year and it's doing very well. As I didn't know that much about tree planting at that time, I planted it too deep by probably 3 inches. Is this a very seriou...
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Trees Planted Over Underground Parking Garage
July 13, 2014
I live in an apartment complex. We have trees planted over an underground parking lot. I know the names of all the trees and I want to know how much soil they should be planted in to NOT cause damage ...
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Controlling a shrub/tree with lots of thorns and flowers similar to beebrush, but lots of thorns
July 08, 2014
I live in Horseshoe Bay, Llano County with 1.5 acres of natural habitat. There is a plant that I have always called Cat's Claw but in researching Cat's Claw, I may have misidentified it. It has a fl...
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Growing pecan and fruit trees near Canyon Lake, Texas
July 07, 2014
I just bought a property on the north side of Canyon Lake in the Hill Country of Texas. Most of the trees around are cedar, and a few live oak. I know I have seen beautiful Pecan trees as well as seve...
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Live Oak Suckers Reprise, Austin TX
July 06, 2014
Referring to an entry dated March 11, 2011 about Live Oak suckers - what happened to the suckers covered with newspaper and cardboard?
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Growing a Swamp Oak from Seed
July 02, 2014
I have a swamp oak that I started from an acorn. Someone at a nursery stated that after 4 years I should cut it off at ground level and then allow one of the suckers to grow while keep removing the ot...
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Apache Pine for Dripping Springs, TX.
July 02, 2014
Is the Apache Pine tree a good choice for planting in alkaline soil with excellent drainage?
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Northern Catalpa Tree Doing Poorly
July 02, 2014
One of our Northern Catalpa trees appears to be dying. It is about 28 feet tall and this year only about 1/3 of it is producing leaves. It is next to our largest Catalpa tree (about 65 feet tall and a...
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Tan, rough, fan-shaped growth on mountain laurels
July 01, 2014
A tan rough fan-shaped "something" is growing at the end of the mountain laurel branch where the flowers would be .. what is it and can it harm the plant?
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Watering a Chinquapin Oak in Austin, TX
June 22, 2014
I have a question about watering. I planted a Chinquapin Oak about 7 months ago and it's about 8 feet tall and doing well. I water it weekly on a slow drip for about an hour. I expect that my job is ...
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Why didn't the mountain laurels bloom this year in Georgetown, TX?
June 19, 2014
Why are the mountain laurels not blooming this year, I live in Georgetown, TX?
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Screening Plants for Cape Cod
June 17, 2014
I need to plant some fairly high growing leafy plants/bushes/trees for privacy and as a sound barrier in (the remains of) a pine forest in Cape Cod, MA. The pines grow tall and skinny so that we can s...
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Problem with mesquite tree limbs
June 13, 2014
i keep finding some smaller branches of my mesquite tree in the turf area around the tree. when looking at the cut ends, they appear to have a smooth cut around the circumference of the limb about 1/...
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Eastern Redbud Flowers and Leaves Dried Up
June 12, 2014
I have a young Eastern Redbud that started blooming last year. This year blossoms formed and leaves started to come, but now they are all dried up. What might have caused this?
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Live oaks exhibiting white foam spots from Round Rock, TX
June 08, 2014
We have several native very large Live Oak in our backyard, and this summer we have noticed white foam spots on the branches. We live in Round Rock next to the Williamson County Park. The spots look...
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Need for smaller tree with less invasive roots from Ft. Worth TX
June 07, 2014
The sycamore in the front yard has developed roots larger than the branches. They have decided that the water and sewer lines are perfect to acquire their water from. For this reason it will be coming...
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Transplant time for small smoke tree from Battle Ground WA
June 01, 2014
When do I transplant a smoke tree that is still young, about a foot high? It is too close to a fence, which I fear will be a problem as it gets big. I live in Battle Ground, WA which is zone 6.
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Adjustments to soil level change around tree from Austin
May 29, 2014
I am moving in to a new construction home in south Austin, builder has leveled the ground and sodded the front yard, I have a post oak in the front and because of the changes to the landscape the tree...
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Pfluegerville Screening Hedge
May 25, 2014
We live just north of Austin in a subdivision built on farm land so we have relatively flat land with good soil. We just put in a pool and are needing a privacy hedge along our 66 ft back fence. We ...
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Small tan balls on oak from Pipe Creek TX
May 21, 2014
Dear Mr. Smarty Plants, our spanish oak is growing tan colored lumpy balls about the size and weight of a marshmallow..sometimes just one at the end of a short stem and sometimes 2-3 clumped together....
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Trimming of Escarpment Oak from Austin
May 18, 2014
We have a 2-year-old quercus fusiformis in our front yard and have been advised by some people that we need to remove the bottom branches and trim the ends of the branches that are hanging far down. ...
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Privacy Hedge Suggestions for Tampa, Florida
May 15, 2014
My back wall is made of stone and is about 6' high. We are very close to a busy road. I need a plant that will reach about 7-8 feet high or a hedge to reduce some of the noise. What plant/hedge would...
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Identification of tree with round purple leaves
May 14, 2014
What is tne name of the purple leaf tree whose leaves are spherical? Maybe 1 to 2" in diameter? A neighbor who has moved now, had one but cut it down before i could find out or rescue it. It wasnt ...
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Problems with transplanted Texas Madrones from Junction TX
May 13, 2014
We planted 3 little Texas madrones last year 9 - 12 inches high. 2 of them seem to have some kind of black blight along the edges of the leaves that I don't think was the result of our late freezes. ...
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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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Can Condalia hookeri (Brasil or Bluewood condalia) self-pollinate?
May 07, 2014
Good morning Mr. SP, I see from your description of Condalia hookeri that this species has bisexual flowers. Do you know if it is self-incompatible?
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Clicking heard under an Oak in near Bandera, TX
May 06, 2014
Hi, I live on a ranch in TX outside of Bandera. We're covered with live oaks, spanish oak and cedar. Last week,as I stood under an oak, I heard a constant fairly loud clicking sound under and around ...
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A Crabapple for the Austin, TX area.
May 06, 2014
I am in search of crab apples. Don't they grow in Austin? I can not seem to be able to locate any here. Any suggestions?
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Aging Arizona Ash in Austin
May 04, 2014
Mr. Smarty Plants! I live in South Austin and just bought a house with a large, 30-40 year old Arizona Ash in the backyard. When I moved in, most of the lower branches were bare and dead and so I had ...
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Appropriate use of redbud from Austin
May 04, 2014
I am considering purchasing a hearts of gold redbud; I am also xeriscaping my front yard. I live in Austin,TX. Will this tree do ok in full Tx sun (8+ hours) with once a week watering? If this...
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Small green balls falling from oaks in Hunt TX
May 03, 2014
Our live oak trees have pin-sized black and green balls falling from them (there are so may that is sounds like rain!) The balls are not associated with or fall with the catkins. Thanks for your ass...
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Retention of essential oils by Ashe Juniper wood from Austin
May 03, 2014
I am looking for information on why local Austin Juniper/Cedar trees are so great at retaining essential oils for aromatherapy. I make pendants for necklaces out of our local fallen cedar trees and ...
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Late planting plum tree from Lago Vista, TX
May 01, 2014
I have two plum trees in plastic containers that I purchased in March. For a lot of reasons, we didn't get them planted. I have kept them alive by watering consistently, but I am now wondering what...
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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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Privacy Trees for Pleasanton, CA
April 30, 2014
I was looking for some fast growing trees for my backyard that backs up to Valley Ave in Pleasanton, Ca. The city just cut down 4 Redwoods behind me and there is so much noise from the traffic now Ca...
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Location of pine trees for a wedding site in Grapevine TX
April 30, 2014
Okay, I know this is a long shot. My daughter is getting married in Grapevine, October 18 at sunrise. She REALLY wants to have the ceremony near pine trees. Any suggestions for locations in Grapevine ...
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Live oak leaves not dropping from Austin
April 29, 2014
We had a 65 gallon live oak planted last October. We watered it regularly and it was green all through the winter. In March the leaves started to turn brown but never dropped, as they should have. ...
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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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Replacing river birch from Maple Grove MN
April 22, 2014
How soon after taking out a river birch clump tree and grinding the stump would we be able to plant a new birch clump?
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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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Deer resistance of non-native Leyland Cypress from Kerrville TX
April 19, 2014
Are Leyland cypress deer resistant?
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Mail order source for Guaiacum angustifolium from Ft. Worth TX
April 16, 2014
Do you have a mail order source for the seeds of Guaiacum angustifolium? I have looked extensively and cannot find one. Thank you!
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Why do conifers kill Texas hummingbird sage from Gray GA
April 15, 2014
Why do conifers kill Texas hummingbird sage?
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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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Pruning a Young Cercis canadensis (Redbud) Tree
April 05, 2014
I have a redbud tree that was transplanted when very young (five years ago). It just started budding last year. It is growing very well but the branches are low. It's like it's growing out instead o...
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Disagreement with HOA on raised beds placed beneath mature oak from Tequesta FL
April 05, 2014
I have mature 30 year old oak trees on my property and I put a raised bed under each with very good soil and I used pavers for retaining the soil about about 1.5 ft high. I planted a perennial begonia...
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Growing Loblolly Pines Outside Native Range
April 03, 2014
I would like a stand of pines on my property but do not know if they will grow in my area. Do you know if the soil in Waelder, Texas will support pines?
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Mulching tree root in San Angelo, TX
April 02, 2014
San Angelo, Texas is in a drought stage. Will it help our trees to mulch the base of them?
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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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Recovering neglected garden space from Grapevine TX
March 22, 2014
I live in Grapevine TX (Dallas). I just moved into a house where almost the entire large backyard is covered by oak trees that shed tons of leaves throughout our mild falls/winters. The yard has not...
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Native species of tree for Rockwall TX
March 19, 2014
Hello, I am attempting to plant a native species of tree 20 miles east of Dallas, Texas (Rockwall, TX) in honor of my brother's marriage. He is a biologist and a huge supporter of native species....
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Problem with Quercus texana (Nuttall oak) in Alabama
March 12, 2014
I have a 3" diameter Nuttall Oak that the builder planted when building the house. Last summer I noticed that several spots on the trunk were oozing sap (vertical approximately 1.5" long by 0.5" wi...
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Are Prunus minutiflora male and female flowers on different plants?
March 12, 2014
I have a Prunus minutiflora and have recently learned the male and female flowers are on separate plants. How can I determine if I have a male or female plant?
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Source for Ashe Juniper seeds from Blanco Co., TX
March 10, 2014
I'm trying to find Ashe Juniper seeds to plant in bare areas of my property in central Texas. I understand they grow well in rockier soil and have many other benefits for native animal species. Unfo...
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Edible forest garden for northern Minnesota
March 07, 2014
I am planning an edible forest garden for northern Minnesota. Can you suggest a list of plants that are native to this area. We are in zone 3a or 3b. Thank you!
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Sap dripping from redbud in Bertram, TX
March 03, 2014
Our multi-trunked Texas redbud has sap dripping down 3 of the trunks. It seems to originate from a very small crack in each trunk. The tree is just starting to show pink this week, and is about to blo...
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Problem with Prosopis glandulosa (Honey mesquite)
February 27, 2014
One of our mature Honey Mesquite trees is losing thumb sized branches high up in the canopy because something is stripping the bark. The branches are completely white for 8-12 inches. Of course the ...
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Lifespan of pecan from Austin
February 26, 2014
What is the lifespan of a pecan tree? I've seen several places say up to a thousand years, but I'd always thought it was closer to around 300 years. Thanks!
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Removing Texas cedar Juniperus ashei from Blanco River banks
February 26, 2014
Dear Mr. Smarty Plants, Should cedar trees be removed from our Blanco River banks to prevent them from sucking too much of our precious water before it makes it into the river system? If so, what s...
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Will hand pollination of red plum tree result in fruits?
February 24, 2014
Red Plum is blooming but no bees to pollinate & no associate plum trees near by. Can flowers be pollinated by hand with q-tip?
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Species of hackberry best for wildlife from Georgetown, TX
February 21, 2014
Which species of Hackberry tree is the best for wildlife in Georgetown, TX (just north of Austin)? Your Plant Database says Celtis occidentals is "among the BEST food and shelter plants for wildlife,...
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Ecosysystem with pecan at center from Austin
February 21, 2014
Dear Mr. Smarty Plants, I would like to create a native tree guild around a mature pecan. It shares its space with native shrubs and ephemerals but I would like to add a nitrogen fixing plant. I am...
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Evergreen trees for California that are non-toxic for dogs
February 19, 2014
Hi, we live in California, San Bernardino County and would like to know what evergreen trees are safe to plant in our backyard with 2 little dogs being around. I did quite some search online but ever...
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Native Shrubs to Plant with Viburnum in New Jersey
February 11, 2014
Please provide me with a list of native shrubs, plants etc. for New Jersey that would work with my existing native viburnum.
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Erosion Solution for Lorton, VA
February 07, 2014
We have a steep slope in our common area of our homeowners association. Trees that were planted have died. It is a large area around a pond. What should we plant that will hold the soil? The soil...
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Are magnolia trees toxic for dogs?
February 05, 2014
Del Mar, California- are magnolia trees, (their bark, roots, pods) toxic to small dogs? My Westie terriers are exhibiting lack of appetite and diarrea this late winter. Tonight I saw on our local n...
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Need plants beneficial or attractive to bees in Dripping Springs, TX
January 27, 2014
Can you provide a specific list of plants beneficial or attractive to honey bees in the Texas Hill Country (we raise bees in Dripping Springs, TX.) Thanks.
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January good time to plant live oak in January from Manor TX
January 19, 2014
I want to plant a Live Oak in January. Is this a good time to plant it?
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A Native Tree for Ardmore PA
January 15, 2014
I am looking to plant a native tree in my back yard. The yard is small and gets mostly afternoon sun. Thank you
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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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Natural privacy hedge for Kyle Texas
January 06, 2014
I am looking to make a natural privacy screen in the Kyle Texas area. I am being pointed towards Leyland Cypress by some and told to shy away from this tree by others. I found Green Giant Arborvitae a...
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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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Fruiting times of native trees and shrubs in the Pacific Norhwest
December 30, 2013
I am looking for information on fruiting/seeds/nuts times of native trees and shrubs in the Pacific Northwest. Obviously they fruit after they bloom but all I can find is very general information such...
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Trees failing to prosper from Denham Spring LA
December 23, 2013
I live in Louisiana. Out of all of the native trees that we grow, there are two in particular that always struggle no matter what the conditions are in which they grow. The first one, sassafras, is ...
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Are leaf margins of Chilopsis linearis toothed from Austin
December 22, 2013
Are the leaf margins of Chilopsis linearis, Desert Willow, smooth or toothed? The NPIN descrip says willow-like. Most willows have toothed leaf margins. Thank you.
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Need a native pine tree for Austin, TX.
December 21, 2013
Is there a native pine tree that you would recommend for the Austin, Texas area? We're considering the Colorado pinyon pine (Pinus edulis) or the Papershell pinyon (Pinus remota)? Would either of the...
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Galls on live oak tree in Austin
December 12, 2013
I live in Austin, and have a 13 year old live oak in my yard. It has developed little spheres, kind of like green peas, on the underside of the leaves. What is it? Is it harmful? Is there somethin...
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Live oaks lifting up sidewalks in Palm Coast FL
December 12, 2013
My live oak trees roots are lifting up my side walks. Can I cut just the roots that are causing the problem without hurting the trees? Thank you.
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Pruning lower branches of Cordia Boissieri from San Antonio
December 08, 2013
My Texas Wild Olive Tree is about 6 feet high now. I bought it at the 2012 plant sale. This past summer it put on new branches near the base of the tree which I would like to cut off (to encourage u...
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Growing Dwarf Yaupon Holly in Texas
December 04, 2013
We planted 10 extra dwarf yaupons in our Austin front yard. They were identified as 'Gremici' dwarf yaupon. I googled them to get more information about them in order to determine why five have di...
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Wildlife and bird friendly hedgerow for Chicago suburb
November 30, 2013
Want to plant a wildlife/bird friendly hedgerow in suburban Chicago. Looking for a recommended mix of understory trees as well a shrubs and grasses. Site is part shade with average to wet soil and tr...
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Fruit trees for Kempner, Texas
November 29, 2013
I just moved to Kempner , TX and would like to plant a couple of fruit trees in my 1 1/4 ac yard. I would like to plant a species that will do well and produce edible fruit. Any assistance will be app...
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Pruning Roughleaf dogwood
November 28, 2013
We put 5 rough-leaf dogwoods along our side deck; having been told (by the local, natural plant seller) that they would reach a maximum height of 6 feet. They have grown taller than that (despite som...
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Is a wasp colony in hollow in my oak tree harming it?
November 26, 2013
I have wasps colonizing a hollow portion of a live oak here in my backyard in Austin ten feet from my backdoor. They are yellow and black banded, maybe an inch long. Two questions: 1. Are they hurt...
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Frost protection for non-native citrus trees from Austin
November 24, 2013
With ice predicted, should I pick citrus, lemons, limes, satsumas that are not quite ready?
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Is post oak resistant to oak wilt from Dallas TX
November 22, 2013
I am confused. The NPIN website says that Post Oak IS susceptible to oak wilt, but all the other information I have been able to find says that it is resistant to oak wilt and rarely gets the diesase....
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Incorrectly planted anacua from San Antonio
November 22, 2013
I purchased a 12' anacua tree from a local nursery about 18 months ago. It was not planted correctly (root bound, rolled into a hole about 3" larger than the pot) but is still alive with the number...
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Abundance of acorns from Wimberley TX
November 22, 2013
We have lived in Wimberley since 1999 and this is the first time we have had such a huge abundance of acorns on our Oak trees, which is surprising considering the drought we have been in the last few ...
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Need a shade tree to plant in Houston, TX
November 18, 2013
Hi, i'm looking for a shade tree to plant on the southwest side of our house, both to make our backyard more enjoyable and to improve energy efficiency. We really like Live Oaks, but they just take t...
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Tree removal from Austin
November 18, 2013
Unfortunately we need to cut down a Spanish oak (11" diameter, over 50 feet tall) that is leaning against our upper story deck (if it falls, the roof, deck, and steel supports may be crushed). A lim...
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Young pecan trees with leaf and branch problems from Gatesville TX
November 18, 2013
I have a young pecan tree that had very rapidly browning Leaves. They became brittle and so did the branches with affected leaves. The branches soon fell off. We treated with fungicide during that pro...
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