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Salem, OR
Flowering evergreen plant for ceramic pot
I have a deep ceramic pot that I would like to put in a flowering evergreen plant or bush. It is on the deck facing west but with north and south exposure and afternoon sun.
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Salem, OR
Disposal of bulbs to control Arrowhead aquatic plant
How can I kill Arrowhead permanently? I have sprayed repeated years with Roundup, Crossbow, etc., but the arrowhead comes back from the bulb the next year!
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Albany, OR
Madrone too close to house in Oregon
I have a small Madrone tree (8ft tall) located approximatly 15 feet from my house, with a basement.
Should I remove it? ie will it damage the foundation and is the tree strong enough that it will no...
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Aurora, OR
Plant identification
Dear Mr. Smarty Plants, (love the name), I have found a plant in my yard. Underground it looks like a green onion, above ground it has a broad leaf, a thin 8-12 inch stalk and the top 2" of the stalk...
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Corvallis, OR
Visiting Texas for bluebonnets
I know rainfall amounts in the winter affect the blooming of bluebonnets in the spring. I am thinking about visiting Texas this spring. What should I be looking for in rainfall amounts? I will watch...
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Canby, OR
Non-native, invasive peanut butter tree from Canby, OR
I too have a peanut butter tree with the pink and white blooms, its about 5 years old and is beautiful, but 2 weeks ago it started wilting and losing all its leaves, I am afraid it is dying. Can I sav...
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Colton, OR
Deer-resistant native plants for Oregon
I have 21 acres of timber property in Oregon. We are converting part of that property to residential and I would like to plant wild flowers. I want to make sure I only plants native to Oregon and wo...
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Tualatin, OR
Was my grandmother growing a Honeysuckle Bush in Middleton, Idaho?
I would like to know the name of the flowering bush that grew in the backyard of my grandmother's house in Middleton, Idaho. I remember it to be purple in color and had petals with what I used to ca...
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West Linn, OR
Skin irritation caused by blanket flower (Gaillardia sp.)
Could you tell me whether it is the leaves or the spent flower heads, the seed heads, that cause irritation to bare legs after walking through a field of Indian Blankets? Gallardia I believe is the La...
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West Linn, OR
Plant with orange berries in Oregon
I have a viney type plant that hangs down over and along a rock wall at my house in Portland, that is producing an orange colored berry. What is it? Is it edible? My neighbor just tried one and he ...
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Oregon City, OR
Non-native peanutbutter tree suckering in Oregon City OR
I have a beautiful 'peanutbutter tree' in my yard. I have noted that there are plantlets coming up that appear to be attached to the main root(s) of the tree. I have been breaking them off as I don...
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Oregon City, OR
200 year old white oak with no acorns in Oregon City OR
We have a white oak tree in our yard that is about 200 yrs old. We have lived in the house for 30+ years, and have never seen an acorn.
We have had it pruned by an arborist, who said it is in good...
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Lake Oswego, OR
Viability of Juniperus ashei for making furniture
My husband uses juniper from Oregon to make beautiful furniture. Underneath the ugly bark is a wonderful wood. Is this the same Juniper as we saw all around Austin, Texas.
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Beaverton, OR
Vine Choices Scarce in Beaverton Oregon
Hi,
I am looking for a hearty vine that we could use to cling to and cover a cement wall that is about 8 feet tall and 30 feet long. It is on the south side of our house but never gets direct sunli...
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Hillsboro, OR
Brown dead spots on arborvitae in Hillsboro OR
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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Hillsboro, OR
Why are my lemon Cyprees trees turning Black?
I have 3 lemon Cypress plants - all are about 6 feet tall. One of them has started turning black on one side - like it's been burnt. The inside of the plant is also turning black. I assume something ...
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Portland, OR
Nativity of Bidens frondosa from Portland OR
Is Bidens frondosa (Beggar's Tick) native to North America or is it introduced?
If introduced, is it considered invasive?
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Portland, OR
Plants for wall with afternoon sun in Oregon
Portland, Or. We have a stacked cement wall about 30 feet long that receives afternoon sun from the west. we would like to plant something edible along that wall that can tolerate afternoon sun. G...
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Portland, OR
Alleotrophic effects of caffeine found in Ilex species
I'm doing research for my biology class on the alleotrophic effects of caffeine. I'm planning to use Ilex vomitoria as the caffeine-producing plant. As the control I want to use another non-c...
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Portland, OR
Plants to tumble over a retaining wall in OR
Please recommend plants that I could use to plant on the ground space above a 4 foot high, 150 foot long unattractive concrete wall that would grow over and down to cover the wall. The area is very sh...
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Portland, OR
Leaf burn on hydrangeas
What causes my leaves to burn on my healthy hydrangeas?
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