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topicquestion
Yellowing leaves
May 06, 2008
What causes yellowing of native garden plant leaves?
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Round growths on Mexican buckeye
April 28, 2008
I have two pink buckeyes next to each other in my yard. The branches on one are completely covered in brown, round growths about the size of a pill bug. The other tree has none. Can you tell me what t...
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Red spider mites in native bluebonnets in Austin
April 02, 2008
What would you do if the WFC bluebonnets developed a bad case of red spider mites? That is what has happened to many of mine here in Austin. I noticed them the other day and I must have been asleep be...
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Reason for die-back of native Mahonia repens
April 01, 2008
I have several mahonia repens plants planted on my property. This is the third spring for them and I have noticed that they look like they might be dying out. The leaves have turned brown and are cu...
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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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Problems with Eves necklacepods (Styphnolobium affine)
March 25, 2008
Mr. S-P, I urgently need your advice regarding two Eve's necklacepods that appear to be dying. They are in two completely different areas of my yard. One began leafing out and then the leaves sh...
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Mountain laurel (Sophora secundiflora) refuses to bloom
March 07, 2008
We have a Texas Mountain Laurel that gets full sunlight, but does not bloom. It is 4-5 ft tall & 3-4 ft wide & healthy. Is there anything we can do to make it bloom next year?
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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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Disease-resistant squash varieties for Central Texas
February 03, 2008
Can you give me names of some disease-resistant summer squash varieties available in Central Texas?
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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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Use of surfactants with herbicide for water
January 05, 2008
I read the article on frogs and the use of Rodeo. Your answer was correct, but to the best of my knowledge, Rodeo is approved for use near water only because it lacks a surfactant. When surfactant...
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Care of Ecuadorian penco century plant
December 17, 2007
I was recently given a Penco, Century plant from Ecuador. It doesn't seem to be doing well. Two of the leaves have turned dark, then yellow, and died completely. Five remain, one seems to be dying as...
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Black leaves and dying kinnikinnick (Arctostaphylos uva-ursi)
December 16, 2007
My kinnikinnick has developed dark leaf spots and, in some cases the entire leaf has turned black or entire plants have turned black and died off. I'm worried about leaf spot, root rot and leaf gall...
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Determine oak wilt in red oaks
December 12, 2007
I am concerned my red oaks have oak wilt. How can I tell what is wrong with them?
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Navel orange disease problems
November 14, 2007
I live in Glendale, Arizona. I hav a mature miniature navel orange tree. This year it has lost a considerable amount of leaves. Also the fruit all has a large yellow spot. It looks pitiful. What shoul...
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Growth on trunk of Eastern Redbud
November 14, 2007
My seven yr. old Eastern Redbud has a large patch (12x4inches) of white grey, shell or mushroom-like growth on the trunk. The bark has a wide split so the growth is on the layer of wood inside the sp...
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Loss of blooms in potted plants in Hawaii
November 11, 2007
My lanai is in strong afternoon sun and no matter what "full sun" plants I try to grow they quickly stop blooming. Plumeria, Hibiscus, Echinacea, even Bougainvillea...they continue to grow but lose...
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Transplanting care of Mayten tree (Maytenus sp.)
November 06, 2007
I planted a Mayten tree 2 years ago. It's about 8 feet tall. The trunk is about 1-1/2 or 2" in diameter. The earth around it sunk and now there is a "bowl" that fills with water in the rain. I...
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Flameleaf sumac problems
October 18, 2007
I have three flameleaf sumacs, which were planted last December. One is doing very well, but two are losing their leaves. First, black spots appear on the leaves, then the leaves turn yellow and wilt,...
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Nutrient imbalance in Tecoma stans
October 18, 2007
I have two Tecoma stans on the north-east side of my yard. They have grown very tall (5') but have not bloomed all summer. Last summer they bloomed profusely. Any idea what the problem might be?
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Newly planted anacacho leaf browning
October 15, 2007
I have just put my anacacho orchid into the ground and its leaves are turning brown and falling off. Is that normal for this time of year, or have I shocked it? What can I do to ensure its health?
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Salt from water softener affecting roses.
October 12, 2007
I have a water softener at my well and wonder if an accumulation of salt over time is causing problems for my roses. After several years of doing really well the branches turn brown and eventually die...
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Care for heritage roses
October 07, 2007
Dear Mr. SmartyPlants, I took some cuttings from an antique rose my grandmother had.I had good luck , had some of them grow for me. Some of them have blooms and others are long and lanky stems but n...
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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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Care and fruiting time of pumpkins
October 06, 2007
This is my first year growing pumpkin. I have a good vine with flowers now & then, but I still don't see a little pumpkin forming. What am I doing wrong?
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Lantanas failing to bloom, turning brown
October 06, 2007
The lantana in my front yard does not bloom, is not overwatered but does get watered, leaves turned brown and plants generally have not grown. The lantana in the rest of the yard are in bloom and lo...
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Care of Styphnolobium affine, Eves necklace
October 05, 2007
I have an 18 yr old Eve's Necklace tree that is dying from the "bottom up". It has only a few leaves at the very top of the tree. I have, connected to the gutter, a rain barrel from which the exc...
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Care of Jade plant
September 06, 2007
Hi there, I have a question and really appreciate your time helping me regarding my plant. I bought a Jade plant; 35 yr. old ; very thick stems and healthy at the time of purchase from a very si...
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Possible causes for plant problems in East Texas
September 06, 2007
I have been an avid gardener for over 35 years in Texas.I love the wildflowers and use them extensively in my 2 acre plot here in East Texas. There is something really bad going on with my garden: pl...
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Problems with purple passion flower
September 04, 2007
Hello, I live in La Place, Louisiana (30 miles west of New Orleans). In March 2007, I planted a purple passion flower (maypop). During the spring it thrived and was covered with brilliant green le...
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Oak leaf fall causing ivy damage
August 28, 2007
I read the A/Q in the Austin American-Statesman Saturday, August 25, regarding the leaves falling now from the live oaks. I am experiencing the same thing, but it is the leaves of my post oaks that a...
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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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Yellowing leaves on young bur oak
August 06, 2007
I saw your response on 7/25 about leaves on mature live oaks turning yellow, then brown because of excessive rain. The same thing is happening to our young burr oak. Leaves are turning yellowish, th...
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Diagnosis of problem with Parsley hawthorn
August 06, 2007
I have a Crataegus marshallii (Parsley hawthorn) that is about 3 years old. It leafed out this spring and flowered lightly. As the summer has progressed, though, the leaves have been dropping premat...
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Identification of worm feeding on chockecheery
August 03, 2007
I am looking to find out what sort of worm looking insect, is commonly found on chokecherry trees. It has a turquoise appearance with yellow fingerlike projections on the back. It suctions onto the ...
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Protection of American beautyberry in Pennsylvania
July 30, 2007
I have had a beauty berry 2 years now. I trim it back in early spring and it returns beautifully. ...but no flowers this year and it's almost August. Last year, very few berries. Can you help? I...
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Bloom color change in Choctaw Crape Myrtle
July 30, 2007
In 2006 my wife bought a Choctaw Crape Myrtle from a local nursery. It had a tag from Greenleaf Nursery and had several blooms in the "correct" pink color. The plant was 5-6 ft tall. It has grown...
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Overwatering and fertilization of whiteleaf manzanita
July 27, 2007
Hi, I have an Arctostaphylos Dr. Hurd, southern California coast, several years old, 10 feet, that has a few large branches with yellowing and spotted leaves... also dropping many. causes? remedy? sh...
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Oak diseases as a result of wet, cool weather
July 25, 2007
The mature live oak trees in our back yard have been dropping leaves just like they do in March, but this is July! Small to medium spots on the leaves turn brown before they drop. The veins of the l...
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Non-fruiting squash
July 25, 2007
With all this rain in Dallas why would our Zuchinni and Yellow squash be beautiful and green but not produce any squash?
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Recovery of damaged fuchsia plant in hanging basket
July 23, 2007
I had a beautiful fuchsia plant hanging on my porch. The hanger gave way and the plant fell straight down into another flower bed. The fuchsia seemed ok. I put it back in the pot put up new strong ...
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Control of live oak suckers by cutting
July 23, 2007
How do I control the Live Oak root suckers? At the moment we are cutting them as they come out of the ground.
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Transplant shock in Dakota mock vervain
July 23, 2007
We just planted some Verbena bipinnatifida in our back yard and when we planted it, it had purple flowers on it but now they've all dried up. We live in central Colorado and thought this plant was fa...
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Effect of unusual wet weather on desert willows
July 23, 2007
I live in North Central Texas and have 3 beautiful Desert willow trees that are usually in full bloom. I've kept them pruned to form a nice full tree shape but now they are losing leaves and looking ...
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Repair of broken branch stump on pecan tree
July 18, 2007
Hi Mr. Smarty Plants, big fan. Recently one of my pecan trees had a large branch break off, about 4 or 5 inches in diameter. The strange part was there was no clear sign of what caused the damage, i...
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Juniper as host of cedar-apple rust
July 17, 2007
Thanks for the helpful advice on the Eastern Red Cedar. I was wondering if you could ease my mind about a potential problem. I have read up on some of the native plants in my area in a very good book ...
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Advisability of trimming oak trees in August
July 13, 2007
In general,what is your opinion on pruning oak trees in August? If it is positive, should the extreme moisture of this year affect the timing?
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Identification of gooseberry plant
July 12, 2007
Grew up in Colorado, our yard and several near us had medium to large size deciduous shrubs that produced small (.25"-.375") red berries that were very tomato-like. Delicate with a thin skin, sligh...
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Recovery from transplant shock for bougainvillea
July 12, 2007
I live outside of Phoenix. I just bought a bougainvillea in a large pot. It was doing nicely until I brought it home. I placed it in a sunny spot in my front yard inside of a large volcanic rock that ...
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Transplant shock in Vacccinum corymbosum (highbush blueberry)
June 28, 2007
Blueberry plants - We planted Northland and Blue Crop, 2 of each. All 4 plants have some leaves that are turning brown. This starts at the tip of the leaf, eventually encompasses the entire leaf, a...
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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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Saprophytic fungus on mulch
June 22, 2007
I just did some major landscaping in my west Austin, TX backyard. I added many native plants and mulched all of the new beds. I did this just before the heavy rains in the past two weeks. I now not...
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Vascular wilt in Rhus virens
June 22, 2007
Hi Smarty: Our evergreen sumac grew beautifully this spring (it is about 2 years old -- we got it at the LBJ Wildflower Center plant sale). Then its leaves suddenly drooped last month (May) and turn...
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Whitefly infestation in roses and salvia
June 15, 2007
Several of my outdoor plants (including Knockout roses and salvia) have a white residue on the stems. If I touch it a white bug jumps off. The residue can be wiped off or sprayed off, but the little...
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Danger of oak wilt infestation in trees with storm-damaged limbs
June 15, 2007
A recent severe storm in Southwest Austin broke large branches and trunks on many Live Oaks in my neighborhood, including my next door neighbors'. Can this invite Oak Wilt? I'm worried about my tree...
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Stem canker or leaf fungus in Morella cerifera
June 14, 2007
Dear Mr.Smarty Pants: The upper half of our wax myrtle, which we had allowed (with artful pruning) to reach about ten feet suddenly died this spring (it dropped most of its leaves and didn't sprout...
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Transplant shock in Achillea millefolium
May 28, 2007
I had a clump of yarrow in my garden and was worried that it would become very aggressive to the other plants. I decided to transplant it into large clay pots to control it. Immediately after the tran...
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Rose canker in roses on cedar posts
May 24, 2007
While visiting the wildflower Center I saw that some of the plants were growing on trellis' made of posts cut from cedar trees. I made a trellis for my climbing rose bush and where the stems touched...
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Reason for decline of Morella cerifera (wax myrtle) in Virginia
March 30, 2007
We have Wax Myrtle bushes in our back yard. They were about 2 feet tall when planted 2 years ago and now are about 7-8 feet tall. The leaves have turned brown and are dropping essentially denuding the...
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Yellowing of fronds on Sago Palm
March 27, 2007
Our Sago Palm now has all yellow fronds from the Winter frosts. Should they be cut off? Will the plant grow new fronds from the bottom to replace the ugly looking ones that are there? And why do I se...
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Control of sooty mold from aphids in Crape Myrtle
February 25, 2007
I have a crape myrtle in my front flower bed that has a sooty black substance on the leaves and trunk. I've done research and understand this is caused by aphids. My question is how do I get the bl...
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Problems with sunflowers in Florida
November 03, 2006
I planted sunflowers on the west side of my house where I have previously planted them and they grew wonderfully. These new ones, however, seem to be dying, (less than 2 weeks). I bought the plants at...
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Yellowing of Thuja occidentalis leaves in early Fall in Maryland
September 12, 2006
Mr. Smarty Plants, I am from Maryland. Please help. I have planted 23 Thuja occidentalis Smaragd in my front yard a few months ago. Height of about 3 feet. Most of the trees have turned golden brown....
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Problems in germination of Asclepias tuberosa in New York
August 31, 2006
I am a member of the Native Plant Center at Westchester Community College and I need information on Acleptis tuberosa. I am in USDA zone 6. Last year I planted fresh seeds purchased from Johnny's S...
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Elimination of dirt dauber insects
August 18, 2006
Hello - I live in the southeast part of Guadalupe Co. in the post oak savanna area. Do you have any suggestions on how to control dirt dauber dirt/mud nests. I know these critters are beneficial, bu...
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Bark damage to Tulip Tree
August 10, 2006
I have a tulip tree planted. It is about 9-10 years old. Two years ago the tree looked as though the trunk was cracked. Maybe hit by lightning after a storm. This year the bark on the side of tree...
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Beneficial earthworms attacked by fire ants
August 04, 2006
Is there a right way or a trick to releasing earthworms? I have a friend who has an abundance of earthworms in their soil so I took advantage of the situation. I released them in my freshly tilled gar...
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Soapberry Transplant shock symptoms
July 21, 2006
Please suggest a cause & cure for general yellowing of the leaves of Western Soapberry when planted in the ground 20 miles NW of Austin (thin, poor clay over limestone). Trees still in containers are...
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Salvia, geum transplant shock symptoms
July 21, 2006
I need some help. I transplanted 2 xeriscape plants and they are not doing well. 1 is Pitcher Sage-sorry I don't know botanical name; the other is White Avens. The've grown a lot but all the leave...
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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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Leaves falling off recently transplanted mature Mountain Laurel
July 05, 2006
I have recently purchased a Mountain Laurel for my backyard landscaping. It is a fully matured ML standing over 9 feet tall by 6 feet wide. Since it was planted (about 6 weeks ago) it has been losin...
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Mystery pest eating portulaca blooms
July 02, 2006
I'm from Texas and I purchased some portulaca from a local nursery about three weeks ago and planted them in the front yard....with plenty of sun. Here's the problem. The foliage seems very health...
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Possible reasons for yellowing leaves in seedlings in Ohio
June 19, 2006
I have a problem with my seedlings. They start yellowing of one leaf then die. When I remove the leaf another one starts. I have photos. I have two differant seedling plants and they are experiencing...
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Diagnosis of problems with Texas ash
June 07, 2006
Our 15 year old Texas ash has less leaf production this year. It also has a small amount of algae on the trunk, and some of the branches have small white spots on it. Also, a few of the branches close...
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Possible reasons for death of Wax Myrtle (Morella cerifera) in Austin
April 04, 2006
Several wax myrtles in my neighborhood appear to have died. Should we have the soil or tree checked for fungus, or should we atrribute the death to freeze or age of the trees?
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Problems getting desert western US plant Stanleya pinnata to bloom in England
March 13, 2006
I am having trouble getting my Princes plume (Stanleya pinnata) to produce a flower and then go to seed. Do you have any advice on triggering flowering in this plant?
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Hibiscus wilt in Texas Star hibiscus
November 10, 2005
I have a Texas star hibiscus on my deck. It flourished all summer, but not quite a month ago, the leaves turned yellow and fell off. Will it come back? What happened???
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Cotton root rot in Purple Sage, Leucophyllus frutescens
November 09, 2005
We had three Purple Sage shrubs in our front yard. They did very well for about three years and then this past year they just died. From what I have read they are pretty hardy so we are really stum...
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Smarty Plants on fungal attack
October 12, 2005
I have three plants that have been getting fungus on their soil and I've tried to get rid of it by scraping it off, watering it less and more sunlight. It's two coleus and a begonia. I don't know...
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Smarty Plants on lantana in Dallas
September 14, 2005
For several years, the lantana plants in my backyard in Dallas grew and bloomed all Summer and Fall until the first real cold snap. I've loved having a native plant that didn't need constant care a...
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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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Controlling mildew on Gaillarida sp.
August 11, 2005
Any suggestions for controlling mildew on blanket flower? It's spreading throughout my garden.
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Smarty Plants on Oleanders
June 11, 2005
I have 3 Nerium Oleanders. In the winter they come indoors, and are under grow lights. They are in big pots. We just put them outside on patio, and they don't look good. They still have green tips ...
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Smarty Plants on mockoranges
May 25, 2005
I live in Colorado where it is common to have 1 or 2 late frosts. I planted 4 littleleaf mockoranges (Philadelphus Microphyllus) 2 years ago and they are pretty much in full sun most of the day. I h...
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Treatment of mealy bugs on house plants
April 19, 2005
I have some house plants that have a "fungi" that has appeared and spread from one to the others. I believe it is killing the plants. It is a white fuzz the is sticky to the touch. when i whip it...
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Health of pond cypress
April 08, 2005
Is there a common reason pond cypress trees vary greatly in their apparent health in similar conditions? I have 7 of them on my property, only two look healthy, one died and fell down recently. The lo...
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Pustules on geranium
March 28, 2005
I have a geranium that has developed oblong red/brown pustules/raised bumps on the undersides of the lower leaves. The foliage around the bumps is stil green but everything else has yellowed
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Smarty Plants on arborvitaes
March 28, 2005
Hello, I live in Allentown, PA and have a 7-foot arborvitae shrub in my backyard, planted in the corner of the yard where a wood fence intersects with the brick wall of the garage. I have had ma...
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Survivability of plants after freeze
December 08, 2003
I have many beautiful plants that froze. Some were Lantana, Hummingbird Bush, Candlestick Trees, Esperanza, Some flowers, and Marigolds. I love all of my plants and flowers and I want them to grow bac...
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