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topicquestion
Invasive Cissus trifoliata in Dallas
May 25, 2011
I have finally identified an invasive, stinky vine in my urban landscape as Cissus trifoliata. It was waxy leaves, small greenish flowers, and small black berries. It appears to spread with undergrou...
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Identification of small tree in McKinney TX with puffy red/pink bloom
May 23, 2011
Looking for info on McKinney area sm/med size tree found at water's edge that has a puffy rd pink bloom. Thanks.
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Native invasives question from Arlington MA
May 20, 2011
When I searched your website for creepers in Massachusetts, I found the following recommendations: Campsis radicans and Parthenocissus quinquefolia. But in response to a reader's question, you called...
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How many native trees in U.S. from Clarkson MI
May 18, 2011
Does anybody have any numbers on how many native trees there are in the entire United States?
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Plants for shaded area under pecan trees
May 11, 2011
The east side of our Houston home has a 15 foot strip overhung with pecan trees. The shade by the start of summer is so dense that grass dies pretty quickly. I'd like to keep enough grass for the k...
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Identification of small plant with lavendar flower
May 07, 2011
I have something growing in my yard and pasture that for some odd reason is growing all over the place. I never noticed it being this abundant before. I'm not sure if it's listed as a wild flower or...
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Removal of Invasive Mint
April 23, 2011
The herb Mint is taking over my flower garden. How can I kill this out? Thank you,
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How to tell the difference between native and European thistles
April 19, 2011
How can I tell the difference between invasive (European) thistles and thistles that are native to Texas? And what is the best way to eradicate the invasive varieties?
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Wildflowers blooming in upstate South Carolina from Seneca SC
April 13, 2011
When do most wildflowers bloom in upstate South Carolina?
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Annabelle hydrangeas blossoms drooping to ground in Wilmette, IL
April 10, 2011
I have a row of Annabelle Hydrangeas that become very heavy and droop over the entire width of the bed. I would like to know what I can use for support so that they will stand up and allow me to plan...
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Looking for fruit and nut trees to plant in San Augustine, TX
April 05, 2011
I am setting up residence in San Augustine, Texas on approximately 9 acres of land. We wanted to plant a few of each type of fruit and nut trees that would prosper in the area (for wildlife and for o...
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Problems with live oak in Carrollton TX
April 03, 2011
This past winter was very hard on all the trees in our area in Texas, but added to our stress was the loss of three large Bradford pears just prior to the winter (23yrs old and over 50ft spans of limb...
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Freeze damage on Barrel Cactus in Llano TX
March 04, 2011
I believe my barrel cactus has freeze damage. The flesh turned yellow and is now turning dark. The base is still green. If I cut off the damaged top portion, leaving the green base, should it survive?...
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Fast-growing, evergreen, non-invasive root tree for El Dorado CA
February 20, 2011
We need to plant a FAST-growing, non-deciduous TREE with a non-invasive root system. Where can we buy one?
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Wet & Shade in South Austin
February 19, 2011
Dear Mr. Smarty Plants - I live in south Austin (S. of Ben White) in a new development. Our houses are fairly close together, so there's little sun between them. The issue is that when it does rain, ...
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Propagation of Aesculus parvifolia from Rochester MI
February 11, 2011
Aesculus parvifolia. I purchased one plant in spring 2010---it's about 3 ft tall. How might I propagate from this one plant, or should I buy another?
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Nuttall oak to replace ornamental pears in Houston, TX?
February 08, 2011
We recently bought a house in the heart of Houston that has 2 huge flaming pear trees that were planted too close to the house and just engulf the house. Our landscaper suggested taking them out and ...
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No, you are not crazy.
February 06, 2011
Has the family classification for Coral Yucca changed recently? I was going through some old notes and expanding them for a class I need to teach for some homeschoolers, and it appears that Coral Yuc...
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Leaf problems on Cherry Laurel in Boulder City, NV
January 29, 2011
I live in Boulder City, Nevada and have 4 cherry laurel trees. I'm having a hard time with brown leaves and loss of leaves. How much water should I give them each season? Temps run from 28 degrees to...
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Problems with Texas Ash and non-native Bradford Pear in Hutto TX
January 27, 2011
We have planted two trees in our back yard. The first one(a Bradford Pear) died and the second one (a Texas ash) doesn't look like it's doing very well. Our back yard is mostly black clay about 1 f...
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Looking for a Drummond Red Maple in Lawton, OK.
January 18, 2011
I would like to buy a female Drummond red maple from a local retailer but it's Jan.12 and those he has in stock are leafless with just the beginnings of buds showing. They are about 20 feet tall and ...
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Rhizobium Source for Bluebonnets
December 20, 2010
Trying to find a source for rhizobium for bluebonnets.
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Problems with Thuja in Oakland CA
December 16, 2010
I have a Thuja hedge about 100' long. Part of this hedge and a well established Rhododendron have been diagnosed with Armillaria mellea that is spreading. I see the bunches of mushrooms growing eve...
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Fungus Spots on Native Bush Honeysuckle
December 03, 2010
My native bush honeysuckle plants that I have along my back fence have leaves that are turning yellow with spots. It appears to be a type of fungus, but not powdery mildew. Any suggestions as to what ...
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Why are branches falling from my pecan trees?
November 02, 2010
I have tree branches falling that appear to have been cut, not broken,off the tree. Seen most on the pecan trees but had a young red bud die with what appears a clean cut of the trunk approx. 2 feet ...
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Reasons to leave a century plant in place in Florida
November 01, 2010
Can you please list ALL the reasons to leave a century plant (as opposed to cutting it way back or removing it) in the wilds of the sand dunes on the coast of Florida, other than its prominent beauty?
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Student wants pointers to increase germination rate of Salvia farinacea in Lubbock, Texas
October 06, 2010
I am a student at Texas Tech, studying environmental horticulture. I have been doing research on Salvia farinacea as well as a number of other natives. I've just been assigned a project to increase t...
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Problem with oak trees in Mansfield, Texas
September 26, 2010
We have lost 2 large oaks last year & now another is nearly gone. It has several large patches of missing bark - beneath a thin layer of skin-like membrane that seemed to separate it from the bark i...
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Where to test for Bacterial Leaf Scorch in Austin, Texas
September 26, 2010
It appears that the American elm trees in my backyard may have Bacterial Leaf scorch. Where can I have this confirmed?
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Problems with a Hackberry tree in San Antonio.
September 23, 2010
Our old hackberry tree fell over last year. Now we have dozens of new ones popping up in the same area. We want to transplant a few to another area of the yard, but they aren't surviving. It appears ...
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A suggestion for a native small tree for San Diego
September 23, 2010
Another good suggestion for a native small tree for San Diego - Garrya veatchii - Southern Silktassle. It's really gorgeous!
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Identification of vine in California
September 19, 2010
Recently a volunteer vine appeared along a fence line in my yard. It has grown rapidly, has small, vaguely heart-shaped leaves, tendrils to climb with and tiny yellow flowers. As the flower fades a fr...
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Wintering of non- native jasmine in Newton KS
September 18, 2010
Hi Mr. Smarty Plants, I received a gorgeous jasmine for mothers day and I planted it in my front yard in the flower area close to the house. Can I keep it there all winter or do I need to dig it up a...
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Planting time for late October bloom of Cowpen Daisy from Marble Falls, TX
September 18, 2010
How fast does Cowpen Daisy grow from seed to flower? Do we still have time to plant seed and get flowers by the end of October in order to attract late migrating Monarch Butterflies through the Austi...
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Need Native Plants for Ditch Stabilization in Texarkana, Arkansas
September 14, 2010
I live in Texarkana, Arkansas. I have a ditch near the street in my front yard that is approximately 90-100 ft. long. It gets full sun. There is a lot of clay and rocks in the ditch. I need to fin...
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Soapberry tree problems in North Richland Hills, TX
September 01, 2010
We have a small grove of soapberry trees. The city recently reconstructed the street and added a side walk which now sets as close at 1 foot from the nearest tree. Everything seemed fine until they ...
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Flaming sumacs in trouble in Wimberley TX
August 31, 2010
I planted three flaming sumacs last fall and all leafed out this spring. Then, early this month all the leaves turned brown on one and it appears to have died. Today I noticed that a second one is d...
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Plant identification of ethereal plant in Colorado
August 28, 2010
We live in the south central mountains of Colorado in the upper Arkansas River valley near Salida, Colorado. During the past few weeks we have noticed a very mystic looking plant (flower/grass?) alon...
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What's that sticky stuff on plants under many trees?
August 23, 2010
Here in Austin, I've recently noticed a sticky film appearing on shrubs, flowers, grass, etc. under many trees. It appears to be coming from the trees under which they are planted. The sticky film ...
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Transplanting non-native yellow lantana in Emerald Isle, NC
August 22, 2010
We live in Emerald Isle, NC. Can we transplant yellow lantana? It is not really a perennial but appears to be one at the coast. If so, when do you transplant?
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Plant identification, possibly Phytolacca americana (American pokeweed)
August 20, 2010
I have a patch of plants I can't find what they are, could you help? The plant is a tuber (resembles a carrot when it is small), the stalk is red and fibrous, comes back each year bigger, has green ...
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Failure to thrive of desert willow in Wimberley TX
August 10, 2010
I have a desert willow. It is always, whether I water it or leave it alone, yellow/ brown leaves, dark spots on the leaves, losing leaves. now it looks sad and not very healthy. Can you please tell m...
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Tree for memorial in Levittown NY
August 09, 2010
I am planning a tree planting memorial in Wantagh Park and I don't know what will be hardy enough to grow there. There are the constant breeze and salt water elements to deal with there and of course...
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Leaf problems on Arizona ash in New Braunfels, TX
August 07, 2010
I have an Arizona Ash tree that is 10 years old. The leaves have brown spots all over and then eventually the leaves curl up and fall off the tree. Is this a fungus or a bacterial infestation? What...
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Evergreen shrub/small tree for screen in southern California
August 06, 2010
Dear Mr. Smarty Plants - I would like to find an evergreen hedge, ~15-20' (or so) to screen a busy road (noise and visual). I'm zone 8b - 92539 (close to) - light snow in winter (to -25) and can ge...
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Arizona ash tree with brown leaf tips in Las Vegas NV
August 01, 2010
We've had an Arizona Ash Tree in our yard for over 7 years it was doing fine until last summer, the tree seems to be struggling with the heat, its leaves look like they are burning up and turning bro...
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Distance apart to plant Arizona ash trees in El Paso, TX
July 01, 2010
How far apart can I plant two Arizona ash trees?
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Can Juncus effusus winter outside in Mountville PA?
June 28, 2010
If we have the juncus effusus spiralis outside in a small pond and you say to let it outside in the winter does that mean we should let it in the pond? thanks for your time
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Possible freeze damage to Texas Persimmon in Fair Oaks Ranch TX
June 27, 2010
I have a Texas Persimmon tree that is in a green belt. It has leafed out and flowered for the eight years we have lived here. This year it leafed out then the leaves turned brown and dropped. The top ...
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Ash tree dying back to lower sprouts in Kempner TX
June 19, 2010
My 2 year old ash tree leaves dropped, appears dead, branches dying. New growth near base of tree. Do I cut upper trunk or remove entire tree? My other ash is doing well.
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Native evergreen vine for St. Paul MN
June 17, 2010
I am looking for a native vine that will stay green, or at least keep its leaves, throughout the winter. The vine will be grown on a trellis between our house and our neighbor's, and we want to keep...
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Will wisteria grow in LaQuinta CA?
June 13, 2010
I have moved to the desert, near Palm Springs, CA from Omaha NE where I was an avid gardener. I would like to know if wisteria will grow in this environment, with temps up to 120 several weeks each su...
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Short flowering plant that will grow in sand in Black Creek WI
June 03, 2010
I would like to know what kind of flowering plant would grow good in sand? A short plant.
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Planting Lupinus perennis and Lupinus polyfyllus together in NH
June 03, 2010
I got a seed package with both Lupinous perennis and polyphyllus combined. Would they be okay to plant together in NH?
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Evergreen large shrub/small tree for screen in Houston
May 26, 2010
I live on the west side of Houston Tx. I need an evergreen large shrub or shorter tree between myself and a busy neighborhood road. There is a power line above this so we would like something that e...
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Can I grow Pawpaw in Central Texas?
May 25, 2010
Do you have any tips for growing pawpaws (not papaya) in central texas? It appears to be at the edge or slightly beyond its range, but maybe if I'm nice to it.. Thanks
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Arborvitae and flower garden fighting for space in Seattle WA
May 22, 2010
Hi, I put in dozens of Arbovitae, mature evergreen trees, 4 yrs ago for privacy. They are doing well, but I was surrounding a flower garden which now appears to be suffering due to the root system of ...
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Why doesn't my Possum Haw have berries this year?
May 20, 2010
A possumhaw holly has no berries as of mid-May. I planted this possumhaw last summer - it had lots of berries. Why would it have no berries this year? This spring I have two yaupons with lots of b...
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Are globe mallows (Sphaeralcea spp.) harmful to dogs
May 20, 2010
My dogs eat the wild globe mallow plants in my yard. Could that be harmful to them?
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Trumpet vines on wall in Longmont CO
May 18, 2010
I purchased three trumpet vines to plant on the NW wall of my house back in 2002. Although the leaves are a beautiful healthy dark green, none of them have ever bloomed despite regular fertilizing pe...
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Evergreen plants safe for horses in Louisville, Kentucky
May 16, 2010
I have a horse farm in Louisville, Ky. I want to plant evergreen plants along the walls in front of the horse barns. What types of plants are not toxic to horses can I use? Thank you so much for all y...
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Fast growing shade trees safe for livestock in pasture in Nashville GA
May 13, 2010
I would like a list of fast growing shade trees that are safe for cows and horses in a pasture.
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Severely cutback sloping soil in Dripping Springs TX
May 09, 2010
We have 5.5 acres off Henly Loop just north of Hwy 290 about 10 miles west of Dripping Springs, TX. The former property owners carved out soil from a sloping area to get soil for the driveway. Doing ...
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Sap flowing from live oak trees in Austin
May 08, 2010
I have live oak trees in my backyard,17 to be exact. I live in Northwest Austin, in Williamson county. There are two live oaks growing about 4-5 feet apart in the center of my yard. One appears to ha...
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Failure to thrive of Texas Mountain Laurel in Austin
May 02, 2010
I have an adult (over 25 years?, 20 feet tall?) Mountain Laurel next to my house in Austin. The winter of 2009/10 it lost most of its leaves. It did bloom and leaf out this Spring--not vigorous espec...
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Non-blooming parsley hawthorn in Madison MS
April 25, 2010
I have a parsley hawthorn that has never bloomed. It is thriving in a low area under tall pines. It gets filtered sun most of the day with more direct sun in late afternoon. I don't know the age but...
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Best fertilizer for live oak trees in Central Texas
April 22, 2010
What is the best fertilizer for live oak trees in Central Texas?
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Failure to bud out of Shumard oaks in Floresville TX
April 16, 2010
Question: I have a Shumard red oak (9-10ft tall) that I planted last October as its leaves were turning a brilliant red color. However, it's the only tree that did not bud this spring. I scraped t...
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Locating Rudbeckia cultivar in San Antonio
April 16, 2010
Hello, I’m searching for one-gallon plants of Rudbeckia fulgida var. speciosa “Viette’s Little Suzy” to purchase either from a San Antonio or area nursery or through a mail order Texas Grower. Is th...
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Small flowering tree for Burbank IL
April 14, 2010
Looking for a semi-dwarf flowering tree resistant to disease and insects. Current flowering crab has fire blight. What would you suggest planting. We live in a Chicago IL suburb.
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Eliminating Claytonia virginica in Varna IL
April 13, 2010
How do I get rid of or control Claytonia virginica? It is starting to take over my lawn.
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Ashe Juniper not doing well in San Antonio
April 08, 2010
A large ash juniper (mountain cedar) in my yard appears to be sick or dying. Approximately 1/4 of the canopy has very sparse needles/green foliage stuff and shaggier than normal bark. It's not brown ...
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Tree transplants having problems in Manchaca TX
April 03, 2010
I have recently transplanted a Mexican Buckeye, Chinquapin oak, and Sandpaper tree that I have been raising inside since they were seedlings. They have now developed a browning of the tips of their l...
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Information about non-native Feijoa sellowiana (pineapple guave)
April 01, 2010
Does a pineapple guava thrive in Austin, zip 78735? What height does it grow and what watering is needed?
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Plants for eroding hillside around garage in St. Paul MN
March 28, 2010
We live in St Paul, Minnesota. Our garage was built into a shaded hole close to the bottom of a small hill. We need to find plants that can retain soil around the garage but will not have root syste...
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Are Chanticleer flowering pears toxic to horses?
March 28, 2010
Are Chanticleer flowering pears toxic to horses?
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Identification of invasive plant
March 26, 2010
I have found an invasive plant species in Martindale, Texas that I would like to identify for family members. It is taking over their pasture and is difficult to eliminate. It has not bloomed yet but...
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Trimming of Aster ericoides in Philadelphia
March 20, 2010
Should I cut back my Aster ericoides, ‘schneegitter’ in the spring?
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Bluebonnet party for April 17 in Brenham TX
March 15, 2010
I wish to have a Bluebonnet party. I planted seeds in the spring and fall and the plants have come up like crazy. Given our unusual weather, when can you predict they will peak.?? I was planning t...
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New York State Shrubs to Screen Home from Traffic
March 11, 2010
I am looking for a native New York bush/small tree which I can use along a road to screen my home from year-round car traffic. The area is not terribly wide and the soil is OK. I am willing to prune a...
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Central Texas plant to grow in cavity in cedar (Juniperus ashei)
February 27, 2010
Is there a CenTX native that would be happy in a one-gallon cavity in a Cedar tree? I'd like to disguise an amputated limb. I'd consider a Bromeliad or Staghorn fern, but would prefer a native.
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Scale on non-native Loropetalum in Lincoln, NE
February 26, 2010
Hi,I have found lots of scale insects on my Loropetalum (esp the young leaves) and ended up spraying some white oil to get rid of them. Unfortunately, I might have overdone it and the young shoots are...
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What are the native fruit-bearing plants in North America?
February 16, 2010
What are the native fruit-bearing plants in North America?
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Why won't my Campsis cultivar flower in Lowell MA
February 08, 2010
I bought a Campsis trumpet vine cultivar in 2006 and planted near my fence in my yard hoping to cover the fence with the vine. Well 4 seasons later the vine has grown about 5 ft. in area but has yet ...
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Anacacho orchid tree (Bauhinia lunarioides) and the freeze in Austin
February 03, 2010
I just wanted to say that your answer in today's Austin American-Statesman about recent freeze damage to Anacacho orchid trees was right on for ours as well. We're in north central Austin and all t...
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Dwarf evergreen heath plant from Norcross GA
February 01, 2010
I was reading a book that mentioned a "dwarf evergreen heath plant and wondered if such a plant exist. It is suppose to have leathery leave blooms with white flowers that produce red berries used fo...
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Trees that aren't poisonous or don't have poisonous berries for dogs
January 20, 2010
What trees are not poisonous or have poison berries for dogs?
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When can bluebonnet seeds in freezer be planted in Midland TX
January 12, 2010
I have a large pkg of bluebonnets in my freezer that I had planned to plant in October and forgot. Is January too late for Bluebonnets to come up in March-April? A year ago in Spring my brother and I...
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Replanting a blue agave in Rio Rancho NM
January 11, 2010
I have acquired a Blue Agave, approximately 4-5 ft high. It still appears quite healthy. It was used over the holiday season for display purposes in a liquor store. Unfortunately, the root ball has be...
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Pruning Bald Cypress in Wylie, TX
January 02, 2010
I have a 6 year old bald cypress that sustained damage to the upper portion of its trunk a couple of years ago. Since that time it has grown more outward than upward and developed a rounder shape. I...
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Period to maturity of gooseberries in Bismarck AR
December 29, 2009
How long does it take to produce gooseberries after planting?
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Native Indiangrass as a hedge
December 13, 2009
Hi Mr. Smarty Plants, I would like to create a grass hedge as a foundation planting for a portion of our garden. One side of the planting is a concrete sidewalk to our garden shed, the other side wil...
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Cutting back woody plants after freeze in Leander TX
December 10, 2009
I have several woody shrubs in a prominent location. Now that the leaves have frozen, how far back should I cut them? These are Flame Acanthus, Salvia ballotiflora, and Aloysia macrostachya, but I w...
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Problems with non-native plumbago in San Antonio
November 21, 2009
Plumbago problem. Live in San Antonio. Planted about 7 of these last spring, all from same store and at the same time. They are HUGE, blooming, thriving, except for the two on the end. They're in a d...
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Problems with non-native nectarine in Gilbertsville PA
November 20, 2009
I live in southeastern Pennsylvania. I have a mature nectarine tree maybe 14 years old. It has a greenish grey spotting on the trunk and branches, the fruit always turns into the brown mummies and f...
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Planting a tulip poplar in Virginia Beach VA
November 10, 2009
Hi. I would like to plant a Yellow Poplar, 'Tulip Tree' in my front yard. I will not be able to plant this tree until after November 15th. The tree will receive direct sun and will be exposed to hea...
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Failure to thrive of newly planted magnolia in Irving TX
November 10, 2009
I planted four Little Gem Magnolia (Magnolia Grandiflora) in my back yard during first week of October 2009. One of them seem to be dying because its leaves have turned very brown and the leaves are c...
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Germination of Passiflora suberosa in Monterrey Mexico
October 26, 2009
Hello, I need recommendation on how to germinate Passiflora seeds. I have a Passiflora suberosa plant, not on your database but native, and have fresh fuits of it. They look very much like a blueber...
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Brown dead spots on arborvitae in Hillsboro OR
October 12, 2009
Hello. I live in Hillsboro, OR and have several mature arborvitae as a privacy screen in my backyard. They are on our side of a black chainlink fence separating our yard from a drainage area maintaine...
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Failure to thrive of pecan trees in Las Vegas NV
October 11, 2009
In April this year I purchased two 8-foot tall pecan trees in 3-foot square boxes from a local nursery and planted them here in Southern Nevada. I'm sure I dug a large enough hole to provide plenty ...
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