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Problems on mock orange plant in England
August 20, 2008
I have a small mock orange plant that is about 3 years old. It is currently in a 12 inch plant pot in full sun. It bloomed beautifully this year but the leaves on both the new and old growth are start...
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Can orange trees be grown in Albany, CA
August 17, 2008
Can we grow an orange tree in Albany, CA?
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Non-native Japanese red maple exposed to full sun
August 16, 2008
I planted a Dwarf Japanese Red Maple tree about 3 yrs ago. Until about a month ago it was partially shaded by a massive chestnut tree, that has since been cut down. Now the new growth on my tree appea...
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Winter care for non-native ice plant in Virginia
August 15, 2008
I have an ice plant in my garden and it is doing very well. What would be the care for winter. Ground seldom freezes, temperatures mostly 20 but can get in single digit occasionally. Very little snow ...
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Proper watering of cedar elm trees in Sachse, TX
August 15, 2008
I've just planted two Cedar elm trees in clay soil, each about four inches in diameter, and I want to water them correctly. I'm aware that too much water can be bad as well as too little water. I ...
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Plant Identification
August 15, 2008
My father-in-law received seeds from a friend-- he didn't know what kind of plant it would grow. Now he questions what kind of plant it is-- it has a red stalk and 17 inch leaves, it appears to grow...
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Propagation of non-native vitex
August 10, 2008
I am interested in propagating a beautiful big vitex tree. Can I do it from seeds or what is the best way? Thanks!
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Failure to thrive of Lantanas
August 06, 2008
Here at work we have 4 beautiful yellow Santanas(should I say had), the leaves have started to turn brown and no longer blooming. Appears to have a fungus or disease. Please help!
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What is Andropogon saccharoides?
August 06, 2008
I am reading Roy Bedichek "Adventure with a Texas Naturalist" I came across a reference to sage grass (Andropogan saccharoides)p. 23. I searched the data base and didn't any infromation abou...
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Loss of leaves on yaupon in Austin
August 05, 2008
Last winter I planted a Pride of Houston yaupon. Currently, the leaves at the tips of its stems are green and healthy, but the leaves along the stems are turning dark brown and falling off. Does...
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Are poplar trees and willows safe for animals to eat
August 04, 2008
poplar trees and willows, are they friendly for farm animals to consume leaves?
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Edible plants native to Bexar County, Texas
July 30, 2008
What types of edible plants are native to Bexar county?
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Plant identification
July 29, 2008
I have found what resembles a gooseberry growing from what appears to be a grapevine trellising on a fence beside a lake in East Texas. The stems are smooth and slender, nad as I stated before vine up...
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How to get rid of Japanese knotweed (Polygonum cuspidatum)
July 28, 2008
We have an enormous stand of japanese polygonum that we are trying to get rid of. What soil type is the most inhospitable to this aggressive and highly invasive species? Were thinking of planting so...
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Problem with flameleaf sumac (Rhus lanceolatta)
July 14, 2008
My Flameleaf Sumac appears to have an insect infestation in the bark which oozes a sappy sticky substance. This has apparently caused one of the limbs to die. Will it kill the whole plant and is there...
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Pruning blue potato tree (Lycianthus rantonnei)
July 14, 2008
I wrote earlier about a blue potato tree(Lycianthus rantonnei) the top appears dead but if you break a branch it is still green, what would happen to it if I cut all the branches forming at the bottom...
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Evergreen native replacement for liriope
July 13, 2008
What is a good native replacement for Liriope that is evergreen?
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Leaf burn on hydrangeas
July 11, 2008
What causes my leaves to burn on my healthy hydrangeas?
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Catalpa and maple with dying branches in Wisconsin
July 07, 2008
We have a northern catalpa in our front yard. It's been there for about three years now and is probably 25' high. This year it appeared to be doing great. It flowered and then all of sudden last ...
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Failure to bloom of tropical plumeria
July 04, 2008
I have had my plumeria for the past five years. The first three years it bloomed but has not the past two. The plant is healthy and continues to grow but will not flower. It seems to be very health...
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Yellowing leaves on non-native Betula pendula
July 03, 2008
I live in Puyallup, Washington. I purchased and planted a weeping birch on June 21, 2008. For the first few days all seemed well and the tree seemed to be settling in to its new home. Less than e...
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Source for purchase of native Parkinsonia aculeata
July 01, 2008
I would like to buy a Jerusalem Thorn Tree plant. I will purchase seeds if plant is not available. Can you tell me where I can purchase either?
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Failure to bloom in hybrid lantana
June 30, 2008
I live in Austin and have planted the newer lantana varieties which bloom with orange and pink flowers.They have been planted in full sun and get watered 2 times a week for about 15 minutes.They do no...
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Selection of trees for new home
June 30, 2008
We are moving to Roanoke, Texas(Denton County) into a new home. Our home will have 3 trees which we can choose. They are Texas Ash, Live Oak, Sweetgum, Silver Leak maple, Cedar Elm and Bradford Pear...
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Plant identification
June 25, 2008
Identification of woodland plant in a rual area ? we have bears britches and another plant simaler, but the leaves are flat and smooth, each leaf is on a seperate stalk and each plant has 3 stalk...
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Evergreen shrubs for Michigan
June 17, 2008
I'm seeking a small-medium, ornamental, fairly compact, evergreen shrub to complement my front yard woodland wildflower garden. I want a shrub that will flank both sides of my front porch steps. I wa...
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Non-native Hyacinth Bean vine dying
June 17, 2008
I live in Missouri and have tried to grow hyacinth bean. Mine drop leaves (after some yellow appears on on them)and the vine turns yellow, then withers to brown. Other places near me grow them beautif...
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Promote blooms on non-native plants
June 11, 2008
I am trying to promote blooms on my several types of flowering scrubs and ornamentals, but not having much luck. I have used Miracid SuperBloom occasionally but not sure I am using enough, yet I may ...
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Black growth on sotol plants
June 08, 2008
My mature sotol plants have a black-like growth on the leaves. Is there any thing I can do to treat what looks like a disease on these plants?
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Non-native banana trees
June 06, 2008
I recently planted two types of Banana trees, a Darjeeling and a Giant Nepal. I know that both are hardy to my zone 7 but that the Nepal needed heavy mulching. My first question is how long will it ta...
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Brown flakes on prickly pear in Los Angeles
June 03, 2008
I live in Los Angeles CA. I have desert type plants in my landscape. I have prickly pear cactus that have developed some light brown, almost golden flakes on the skin of the pads. I believe it is call...
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Problems with non-native Cleyera and Red-tip photinia
June 01, 2008
I planted a row of Cleyera in a bed that receives sunlight for about 3 hours during the middle of the day. My problem is that a number of the plants are dying. It begins with the leaves on one small...
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Fraxinus cuspidata (Fragrant Ash)
May 30, 2008
Two part question: 1) Will fragrant (flowering; Fraxinus cuspidata) ash survive in Zone 7b? 2) Where can I get it?
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Bark problems on Platanus occidentalis (American Sycamore)
May 29, 2008
I got home today, after two hot sunny days, and found that one of the sycamores (street tree) planted last year (3-4" caliper) has vertically split and peeling bark on the south side of the trunk (la...
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Mystery cactus in Williamson County, Texas
May 27, 2008
We have a cactus plant on our place that I have not seen anywhere else in central Texas. The flowers are bright yellow with wine-red centers, but very sparse--only one flower blooms at a time. The p...
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Transplant shock in Liatris spicata
May 25, 2008
I bought a liatris spicata start a month ago, and transplanted it into my front yard (full sun, clay soil, moist due to all the rain recently). The plant immediately wilted so I transplanted it in ...
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Native plants for dry shade in Virginia
May 23, 2008
I live in Reston, Virginia and have dry shade. What are the best plants to use for my garden. Xeriscaping and native plants are important considerations.
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Yellowing of palm tree leaves
May 14, 2008
I want to know about palm trees. The leaves are turning yellow.
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Brown, dry leaves on weeping willow tree
May 01, 2008
We live in central TX and have just planted a weeping willow tree. Our back yard has a retention pond and ravine that parallels our property and we were told that the weeping willow will do perfectly ...
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Correct photos of Cynoglossum virginianum
April 30, 2008
I recently found some "wild comfrey" (Cynoglossum virginianum) growing in woodlands in Atlanta,GA. When I used the photos on Wildflower Center website to ID this plant, I found what appears to be t...
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Too late to begin planting in May in Austin?
April 30, 2008
Is it too late to begin planting in May? I live in Austin Texas and have finally completed my plans for a native Texas landscaping (plants and grass) of my front yard. I'd like to get the landscapi...
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Tentative identification of non-native Senecio rowleyanus
April 19, 2008
I am trying to track down a plant that I used to have but do not know what it is called. It grew in long strings of "pea like" balls. When planted in a hanging pot, the stringy "pea" like vines ...
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Red blister-like bumps on grapevine
April 17, 2008
I have just discovered red blister like bumps on a grapevine. It is on the leaves as well as the stems. What could this be? Will it harm only the grapevine or other plants as well? Thank you.
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Care in planting native Shumard oaks
April 16, 2008
I am going to plant 3 shumard red oaks on the west side of my property. The land is basically rocky. What should I put in the holes to help the tree grow?
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Failure of Bald Cypress to fully leaf out
April 14, 2008
My family just moved to a house in Burnet County, about 7 miles south of Bertram, close to the Balcones Canyonlands NWR, with very rocky limestone soil. We bought several trees last fall, including a ...
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Fast growing trees in Idaho
April 10, 2008
I want to plant fast-growing trees on my property in Idaho. What trees are poisonous to horses and dogs? I am particularly interested in the Royal Empress (Paulowmia) tree and the dogwood tree.
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Viability of buffalo grass in Yuma, AZ
March 30, 2008
Will Buffalo Grass grow in Yuma, AZ, where the temperature can go as high as 120 degrees in the summer?
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Fasciation in Houston.
March 29, 2008
I live in Houston and have had a rather large flower garden for many years. Most of the flowers are just gorgeous but over the last two or three years I have noticed that occasionally some of the flo...
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Difference between liveoaks (Quercus fusiformis and Q. virginiana)
March 17, 2008
I am a little confused on the identification differences between Quercus fusiformis and Quercus virginiana. How can you properly identify between the two?
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Information about empress tree (Paulownia tomentosa)
March 07, 2008
I have an Empress Tree, 3 yrs old, and the limbs grow straight out from the trunk about 2-3ft and then grow straight upward. When do they start to grow outward for a canopy??
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Improving blooming on mock orange
March 03, 2008
I have a now 6 yr. old mock orange shrub in the garden which has never bloomed, darn it. I have fed, not fed, mulched, not mulched, sheared, not sheared. What gives? Will it ever bloom, or shall I ...
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Viability of Taxus canadensis (Canadian yew) for Buffalo, NY
February 28, 2008
I live in Buffalo, N.Y. and am gradually naturalizing my back yard. The previous owner built a 6' fence along the western edge of the yard and planted a straight line of arborvitae, which are now abo...
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Source of seeds for helianthus salicifolius (Willowleaf sunflower)
February 27, 2008
Where can I purchase seeds for helianthus salicifolius?
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Care for a non-native Syringa vulgaris (lilac)
February 19, 2008
I inherited a lilac bush when I bought my house. It grows in a bed right in front of the house but grows away from the house, not in a straight up and down manner. This winter we had a 12" snow fall ...
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How to eradicate chameleon plant (Houttuynia cordata)
February 10, 2008
How do I get rid of a invasive ground covering plant called Camelion without hurting the ground so I can plant something else?
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Native trees and shrubs for bloom various times of year
February 10, 2008
I live in Southwest Austin and have a garden that spans the length of our back fence. It gets approximately 6 hours of sun. We currently have two trees (which we think are Bradford Pears) and three ...
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Bur oak bark damage done by deer
February 03, 2008
Dear Mr. Smarty Plants: Just noticed that deer have been rubbing the bark on good sized, but young, bur oaks planted last spring. Mostly in one spot on one side of the trunk. Will this kill the ...
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Determination of the sex of Mexican persimmon (Diospyros texana)
January 30, 2008
Last spring, I planted a persimmon fruit from a Mexican Persimmon. I now have 6 small seedlings coming up. Since they all came from the same seed source - 1 black persimmon, will they all be male tree...
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Native non-invasive plant seeds for Oregon wedding
January 21, 2008
I study invasive plants and I am interested in native plant re-vegetation. I am also planning a wedding in July. We thought a nice party favor would be wild flower seeds. I have people coming from ...
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Texas natives that are shade tolerant for Austin, TX
January 21, 2008
Dear Mr. Smarty Plants, I am looking for Texas native plants that are shade tolerant....specifically agaves (How about the Century Agave and the Queen Victoria Agave?) and something to add a splash ...
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Promoting bloom in Chocolate Summer Mimosa
January 11, 2008
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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Care of a sedum indoors
December 16, 2007
I have a coworker who has trusted her Sedum Burrito plant into my care because it is not doing well in her office. It appears to need repotting, as it is very crowded in the pot it came in and is dif...
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Seed germination for sugar maple (Acer saccharum)
December 15, 2007
How can I germinate sugar maple?(step by step, please) I have some seeds but can't make them grow directly outside, so could you recommend a method which takes place inside?! I've heard something ab...
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Identification of vine with translucent red berries in Tennessee.
November 30, 2007
During the month of November I have seem in Nashville, TN a vine which appears to be native or a handed-down plant growing behind a restaurant site on a chain link fence. It was loaded with cluster...
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Trimming of cordgrass plants
November 20, 2007
We have planted more than 150 cordgrass plants (spartina bakeri) along the edges of the small pond at our condominium complex to try to prevent any further soil erosion between the buildings and the p...
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Removal of mature agaves
November 20, 2007
Hello- we live in Austin, TX and have a bed of different varieties of agave. They are near the walkway to our house, and are so out of control they pose a hazard to our guests walking up to the house...
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Cross pollination of orange and crapemyrtle
November 05, 2007
I have a crapemyrtle tree growing 3 feet from a navel orange tree. This summer a shoot grew from the ground 5 inches from the orange tree. The shoot looks just like the orange tree but the leaves were...
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Non-blossoming trumpet vine
November 05, 2007
About 9 years ago I started a trumpet vine, from seeds that I got from plants that were invading an empty home. I saw how invasive it was. It had worked its way into the windows and front porch and ...
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Possible disease on Eastern Redbud
October 06, 2007
Our Eastern Redbud appears to be suffering from our recent drought. The leaves are turning brown in July/August on a few branches. A few black spots appear on the leaves before they turn brown. Ot...
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Webbing on the bark of a hackberry tree.
October 03, 2007
Dear Mr. Smarty Plants. We have a large hackberry tree in our back yard that has what appears to be extensive spider webbing covering large areas of the bark at the trunk . . and extending well up th...
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Resources for wildlife garden in Maryland
September 10, 2007
I've recently bought a home in Cambridge in Dorchester County on Maryland's Eastern Shore. I want my small garden to have native plants that will sustain birds, butterflies and visiting wildlife. ...
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Cool, wet summer effect on evergreen sumac
August 28, 2007
Hi Mr. Smarty Plants, I have 3 evergreen sumac bushes that I planted as a screen between my house and my neighbors two years ago. They are located in a part of our yard that receives a lot of runof...
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Identifcation of four o clock-like flower
August 25, 2007
I've run across a flower I cannot find any information on. I saw it in West Virginia. I know that a pix might be needed to identify, but, since this is somewhat unusual, I thought possibly you might...
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Growth rate of trees
August 20, 2007
What is the growth rate of the following plants. (How wide and tall each year? They are all in 1 gallon pots right now.) 1. Agarita 2. Anacacho Orchid 3. Silk Tassel. Is there anything that can be ...
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Is Rosa rugosa poisonous?
August 04, 2007
Are beach plums from a Rosa rogosa poisonous?
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Identificaation of volunteer plant in Maine
July 31, 2007
I have a volunteer in my garden in Maine that I have been unable to identify. It is a perennial that grows in full sun. It has formed a thick mat of plants whose leaves are about and its leaves are d...
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Grassy "weed" invasion in Bermuda grass lawn
July 09, 2007
Our grass is being totally overrun by this weed.(I don't know what the name is but I do know it's not the dandelion weed or the thin grassy weed). It is Bermuda grass and I really don't know how to...
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Restoration of mistflowers suffering from wet season
June 27, 2007
I have planted gregg's mistflower in a bed that receives morning sun and afternoon semi-shade. It was beautiful and covered with blooms and butterflies this spring, but suddenly has become brown and ...
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Eliminating weeds from seeded wildflower stands
June 25, 2007
We live in Eastern Central Texas in a small community on Texas Highway 7. Last fall, we went to the Wildseed Flower Farm near Fredricksburg and purchased a bag of mixed wildflower seeds and planted...
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Coexistence of rubus trivialis and American beautyberry
May 28, 2007
I'm growing some rubus trivialis in a 1-gal. pot and plan to plant it this fall. Will this dewberry coexist with American beautyberry, or must it have its own space entirely? If it needs its own sp...
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Reason for small winecup flowers (Callirhoe sp.)
May 25, 2007
I purchased some winecup seeds from a wildflower seed company and planted them this past autumn. I live in the northcentral Texas area. This spring, several of the seeds sprouted but they had tiny lav...
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Replanting members of Rosaceae family in same spot
May 23, 2007
HI Mr. Smarty Plants We had two apple (yellow fruit) trees besides out house and they died. Is it ok to replant in the same place with other trees without being afraid something is wrong with the soi...
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Ravaged by snails
May 23, 2007
Our Prickly Pear Cactus is being completely ravaged by snails. Is there something in my yard that could be attracting them? Is there something I can do to keep them off the plant? Also is is safe to...
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Will Hyacinth Beans and Cardinal vine (non-natives) grow in Texas?
April 28, 2007
I live in Coppell, TX, and a neighbor gave me some Hyacinith Beans and Cardinal Vine seeds to plant. She described these as doing well in her local garden, but I cannot find a photo or picture of them...
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Propagation and transplanting of Vernonia lindheimeri
April 10, 2007
I have located a wooly ironweed plant and have taken some seeds to start. This is the only ironweed I have seen. Any suggestions on how to start the seed? Also, if development of the property appea...
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Toadflax and Baby Blue Eyes occurring naturally in Texas
March 29, 2007
Does Toadflax/Spurred Snapdragon occur naturally in Texas? My daughter found what I think is it in a field in Keller, TX, but I'm wondering if it is cultivated. The field is full of a variety of fl...
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Decline of pollinating bees around Mexican plums
March 19, 2007
Dear Dr. Smarty Plants While out working in my yard (about nine miles southwest of the Wildfower Center) this morning, I became aware that there was no sound of bees buzzing. I checked our Mexica...
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Identification of native dogwoods in Williamson Co., TX
March 12, 2007
Hi Mr/Mrs SmartyPlants What are the small-ish wild trees that are blooming so beautifully now? They are practically covered in pretty white blossoms. I've always called them dogwoods but in the vari...
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Definition of what constitutes a native plant
January 23, 2007
Hello, I am doing research concerning "native plants" for the Northeast. I am "befuddled" as I am finding conflicting definitions for what constitutes a native plant. Do you have a good definiti...
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Breaking dormancy of native seeds
November 22, 2006
The science of seed preservation seems to be well advanced. However, Jill Nokes' book appears to be the only well-known information about breaking dormancy of native seeds. I'm grateful that she w...
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Identifying gender of persimmon trees
October 23, 2006
How can you tell the difference between a male persimmon tree and a female persimmon tree? Also do you need both to bear the fruit? I live in Louisiana and never heard of this before. Thanks.
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Lists of edible plants in region of Pennsylvania for school project
September 12, 2006
Please Help! I'm a grade four teacher in Philadelphia. My students and I are assigned a theme project that involves listing edible plants that grow in our region. Can you recommend a web site(s)...
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Protecting hibiscus from cold in Eastern Washington State
July 28, 2006
I recently purchased a Hibiscus Brilliant Red. I planted it in an area of my garden that will give it full sun for most of the day. In the Pacific Northwest where I live (Eastern Washington) it can ge...
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Root rot and transplant shock in Texas betony
July 13, 2006
Texas betony is supposed to be drought resistant but also likes to be kept moist, but I have had trouble getting it established. These seem to be undemanding plants I have had entire stems dry up and...
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Wild hydrangeas north of Atlanta GA
June 29, 2006
There are wild hydrangeas in my area - just north of Atlanta GA. There is a particular type, though, that I have only seen in the more mountainous counties of GA. The flower cluster is flat, with tiny...
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Fertilizer and application for live oak trees
April 27, 2006
What do I use to feed live oak trees? How do I apply the fertilzer?
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Native plants suitable for rock garden in New York
March 26, 2006
I'd like to start a rock garden. The area is very rocky, the soil is shallow and it's partially shaded. I'd like mostly perennials that flower from spring to fall. I hope to make some purchases fr...
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Digestive distress from eating Lonicera sempervirens
February 23, 2006
A friend of mine ate Lonicera sempervirens and it caused a burning sensation in his stomach. What may have caused this sensation?
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Hardiness of non-native Lycium barbarum for Saschatewan
December 19, 2005
Lycium barbarnum. What is its hardiness and where can it be grown?
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Fasciation on brown eyed Susan
August 28, 2005
I have a flower in my garden that blooms every year. This year I have a very strange breed--there is a double flower. I do not know the name of the flower or what kind it is. I only know we nickname...
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