Outdoor Flowers and Foliage

Rose Rosette Virus Cure?

Q: I am heartbroken! My New Dawn rose has contracted rose rosette virus. Watching this wicked disease destroy such a stately speciman is sickening. Please tell me there is a cure on the horizon.  A: There is no breakthrough yet...

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My Hydrangea Is No Longer Making Blooms

Q: My hydrangea is no longer making blooms. I cut off the dead blooms awhile back and the plant has put on a lot of new leaf growth. I have fertilized but thinking by now I should have seen more...

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Our Hibiscus Did Not Bloom This Year

Q: Our hibiscus did not bloom this year after doing so for the last four years. It winters in our home and was fed blood meal once in winter and again in early spring.  A: Tropical hibiscus needs lots of...

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Should I Plant Viburnum Where An Old Tree Was?

Q: I have a fairly large hole where an old tree trunk has rotted away. Can I plant a viburnum in this existing hole or should I dig a new hole?  A: One factor in the successful planting of trees...

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Queen Anne`s Lace V.S. Giant Hogweed

Q: My sister-in-law from Virginia is telling me that the plant I call Queen Anne’s Lace is a poisonous noxious weed called giant hogweed. How do you tell them apart? A: The plants’ flowers are similar: both have white lacecaps...

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Fragrant Plants – Carolina Or Confederate Jasmine?

Q: I have an arch trellis and want to put a fragrant plant on both sides. Which would be better, Carolina jasmine or Confederate jasmine? A: I think one of the vines you’re considering is actually Carolina jessamine, Gelsemium sempervirens,...

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Coneflower – Aster Yellows vs Coneflower Rosette Mite

Q: I discovered deformed blooms on my coneflower, which I suspect to be caused by aster yellows. I immediately dug up the plant and threw it out. After more research I discovered coneflower rosette mites cause similar damage. Can you...

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Growing Flowers Organically

Q: I want to start a small organic online plant nursery. I have lots of pest insects so I released 1500 ladybugs not long ago. Is my hope for an organic nursery a lost cause or are there other all...

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Hogweed vs Queen Anne’s Lace

Q: My sister-in-law from Virginia is telling me that the plant I call Queen Anne’s Lace is a poisonous noxious weed called giant hogweed. How do you tell them apart? A: The plants’ flowers are similar: both have white lacecaps...

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Queen Anne’s Lace vs Hogweed – Identification

Q: My sister-in-law from Virginia is telling me that the plant I call Queen Anne’s Lace is a poisonous noxious weed called giant hogweed. How do you tell them apart? A: The plants’ flowers are similar; both have white lacecaps...

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Loropetalum – Bacterial Stem Gall

Q: In the summer of 2013, I lost 28 loropetalums to bacterial gall, diagnosed by the Extension pathology lab. I replanted loropetalums there in the spring of 2016. That winter all the leaves dropped, but in the spring of 2017...

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Transplanting Iris – When And Where

Q: When can I transplant iris? How much sun should they have in their new home? A: You can move them almost any time. Early summer, after they finish blooming, is fine but I usually wait until fall because there...

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Can We Move Daffodils While Their Leaves Are Still Green?

Q: My husband’s family farm was just sold. Can we save the daffodils growing there even though the leaves are still green.  A: Go ahead with moving and planting them now. It would be better to put them in bright...

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How To Control Honeysuckles On Boxwoods?

Q: We have some really old boxwoods that honeysuckle has almost taken over. How can I kill the vine?  A: The best honeysuckle control is to clip the vine at ground level under the boxwoods and immediately dab some glyphosate...

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Roadside Plants That Look Like European Elder?

Q: I fell in love with the fragrant flowers and berries of the European elder when I lived in Ireland. I see something that looks similar growing along roadsides here. I’m thinking it is Sambucus canadensis, but the flowers have...

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Our Azaleas Look Healthy But With Few Blooms

Q: This year our azaleas are green and healthy with beautiful foliage but few blooms. The blooms that do appear are in the middle of the plants. We pruned them severely after they bloomed last spring.  A: I think the...

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Impatiens – Is It Safe To Plant?

Q: For many years, I planted impatiens in my shaded areas. I read that they have developed some kind of disease and weren’t available at nurseries anymore. I saw a packet of impatiens seeds so I bought them and the...

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Autumn Ferns – Best Time To Transplant?

Q: Autumn ferns are blocking my sprinkler heads. When is the best time to transplant them?  A: Autumn ferns can be transplanted any time of the year except during the hottest months of summer. Mid-spring is the best time to...

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