Landscaping

Should I Paint The Wounds Of My Pin Oak Tree?

Q: I pruned some rather large limbs from a huge pin oak tree a few days ago. Today almost every cut is “weeping” heavily. Should I paint the wounds?  A: There is no harm at all. The tree’s roots are...

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Caring For Amaryllis

Q: I have amaryllis in pots that I have tried unsuccessfully to force into bloom during the holidays. They all sprout prolific leaves and look healthy but no flowers appear. Are they just too old? A: I think the bulbs...

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Does English Ivy Damage A Cinder Block Wall?

Q: Can variegated English ivy do damage to a cinder block wall? My house has a tall concrete block foundation in the back.  A: I don’t think the ivy will physically damage the cinderblock but it does provide a nice...

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Which Plants In My Landscape Are Poisonous?

Q: I have young children and would like to know which plants in my landscape are poisonous. A: Many landscape plants and houseplants are “poisonous” to one degree or another. It is always important to remember that “The dose makes...

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Mowing Two Different Lawns

Q: I have bermuda in the front yard and Geo zoysia in the backyard. Is there any issue mowing both and risking cross-contamination with their seed?  A: If the front yard is common seed-producing bermudagrass, not a hybrid sodded bermuda,...

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Getting Rid Of Black & Blue Salvia

Q: Several years ago, I planted ‘Black & Blue’ salvia. It has now spread across the entire back of my house and I want to get rid of it. Other than pull it up, a tough job due to the...

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Hedge To Plant In Between Yards

Q: We are transplants from southern California. I want to landscape my grandson’s new home with a hedge in between his yard and his neighbors. He is twenty-one with no interest in gardening and I will not be around forever...

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Should I Leave My Tropical Hibiscus Outside?

Q: Is there a alternative to leaving plants like tropical hibiscus outside instead of bringing inside? I recently moved and do not have the room I once had in the garage.  A: Trying to get a tropical hibiscus to survive...

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How To Speed Deterioration Of Leaves?

Q: My mother has big pecan and oak trees. This year I dumped the fallen leaves in a low part of her back yard in an effort to build it up. How can I speed their deterioration.  A: If you...

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Info On Fruiting Quince

Q: I have become interested in growing fruiting quince and have several plants (‘Le Page’, ‘Aromatnaya’, ‘Cookes Jumbo’, ‘Van Deamon’). Do they fruit on current year’s growth or last years? I need to prune them a bit. They are delicious...

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At What Night Time Temperature Does Tif Tuf Roots Continue To Grow?

Q: At what night time temperature does Tif Tuf roots continue to grow? A: Bermuda grass roots grow slowly at a soil temperature of 65° and shut down at a soil temperature of 60°. The optimum soil temperature for growth...

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What Other Plants Can I Plant Where My Boxwood Was?

Q: I have a topiary boxwood that has succumbed to boxwood blight. I know one can’t replant a boxwood in the same site but are there other shrubs that I could put in the same place?  A: Boxwood blight has...

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Dwarf Mondo Not Spreading

Q: I planted dwarf mondo grass but it doesn’t want to spread. Any suggestions?  A: As long as it is in moderate shade and not in a soggy spot, mondo grass should spread readily. Perhaps yours needs nutrients. I suggest...

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Do Coleus Belong In The Shade Or Sun?

Q: I planted coleus in my garage flower bed last year and they all died. I read somewhere that direct sun would be an enemy to coleus. But my neighbors grow them in sunshine despite this.  A: Once upon a...

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How To Start A Zoysia Lawn?

Q: I want to convert my lawn from a weedy bermuda and centipede mix to zoysia. I want to use zoysia plugs to start the lawn. Would it be advisable to intermix fescue to provide a ground cover for the...

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Harm/Benefits Of Spreading My Dogs Ashes On Landscape?

Q: Can ashes from my beloved dog be scattered in my landscape? Is there any benefit or harm to the plants?  A: There will be no direct harm to your plants from scattering the ashes around them. But there might...

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Best Time To Plant Bamboo?

Q: I want to plant bamboo along my fence to add some privacy to my back yard. When is the best time to plant bamboo?  A: The best time to plant a bamboo screen is never. Over my career I...

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Can I Get Lantana Seeds By Mail?

Q: Do you know of a company that sells lantana seeds by mail?  A: I found several places online that sell the seeds, but proceed with caution. I have occasionally purchased plants and seeds on Amazon, but on at least...

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