Ask Boone Gardiner a Question

We will use this venue as an easy way to communicate with our friends about what is going on and for education of various topics.  It is interactive, so please get on and post your questions, thoughts and comments!!

24 Responses to Ask Boone Gardiner a Question

  1. Do you carry Green Tower boxwoods? Two of mine have died as a result of the winter ice.

  2. Matt, I have been reading about Neem oil. One suggestion for application is to pour it on the soil. The plant absorbs it and is protected systemically. Have y’all tried this method ? I am wondering how effective it is. Thanks

  3. Linda-

    You know, I have been hearing about Neem Oil since I was in school, yet I have little experience with it. I have heard from many people who swear by it and I know that it works and I know that it is a safe alternative to tradtional chemical pest control. The most common use is as a foliar spray to hit bugs directly but I have also heard that the soil drench method you are inquiring about for a systemic treatment works well too. As always, just be sure to read and follow the label exactly! Thanks and keep me posted on how it goes.

    Matt

  4. I have two HUGE burning bushes – probably 10 feet tall. I’d like to trim them back. How far back can I cut them? Can I do it now?

  5. Paula-

    Burning Bush are extremely tough plants and for that reason I wouldn’t hesitate trimming them back now, even pretty hard. As a general rule, you usually don’t want to trim more than a third of a plant, however with these you can trim more. I would have no problem trimming them back half their size. You could probably do more if necessary, but if you really want to trim them back, like to 1-2′ you can do that in the winter while they are dormant. They will flush back out in the spring with nice new growth.

    Thanks

    Matt

  6. Thanks for the help on the burning bushes. Now another one – I have several deutzia – they are my favorites! I don’t know if they are considered shrubs or perennials, but they need to be trimmed as well. I was hoping I could split them somehow to plant elsewhere. Is that possible?

    • Paula-
      Deutzia are considered a shrub, and yes they are very beautiful. Because of their woody stems they would be hard to divide like a perennial unless they have layered themselves. Layering is when a plants stem comes into contact with the soil and then roots from that contact area. Sometimes, you can cut these off and transplant these layered divisions off of the plant. As far as transplanting, it is best in the fall or when the plant is dormant. However, like everything, I break the rules myself at times and if I have to transplant something like that I would cut back at least half of the foliage, get as much of the roots as you can and then water the heck out of it after you transplant it. No fertilizer this first year.

      Thanks

      Matt

  7. I have a 6ft yukka plant with sprouting roots, the rest is bare and if i cut the top will it die?

  8. Kelly-
    Thanks for your question. I assume when you say that it is 6′, you are refering to the flower stalk? Then you have the spikey foliage beneath. If that is the case, then no it won’t hurt to trim that stalk back after it is done blooming. Hopefully this helps. Thanks

    Matt

  9. Do you have Steeplechase conifers? Would they be a good soundbreak? Do you have any further suggestions?
    Thanks, Lisa

    • Lisa-

      We don’t have any Steeplechase Arborvitae, but we do have Green Giant Arborvitae. Green Giant is an excellent plant and yes it would make a good soundbreak. Green Giant is the parent plant of Steeplechase and I don’t think that there is a lot of difference. We currently have some 3′ tall plants in 7 gallon pots for $36.99. They grow really fast, but if you need larger ones we might be able to track them down. I have several in my own garden and I love this plant. It is tough, pest and disease resistant and the deer don’t eat it like Emerald Green.

      Thanks

      Matthew

  10. I have 2 questions. The first: I have been reading about andropogon “new wave” and would like to plant 2 plants in the spring; will you be carrying that? 2nd question : I want to plane a narrow hedge along my drive way that I walk past, perhaps 20 feet with 2 citation yews at one end and 3 witchita blue junipers at right angles at the other . I tell you to be thinking about color. I wanted to plant some narrow columnar conifers as this part of a garden “wall.” The other side of this wall is a perennial bed and a stone pathway planted with thyme. Any suggestions on suitable conifers? We don’t mind some trimming,

    • Ellen,

      Due to the complexity of your question, can I have one of our designers contact you so that we can answer your question accurately? Or you can call the garden center and ask for Holly Smith or Dan Zinner.

      As far as the Bluestem grass, we have some in stock right now, I don’t believe that it is new wave but comparable. We may have that exact cultivar in the spring. Great ornamental grass!!

      Thanks for you questions

      Matt

  11. I would like a slow growing evergreen holly to plant along a back fence to screen neighbors but a power line does run over the fence. Do you know a good one that does not get to tall?

  12. We have some Oakland Holly, that are slow growing and make a good screen. They are already over 7-8′ tall and we are having a 50% off sale Friday and Saturday. Another option is teh Dragon Lady Holly and Centennial Girl Holly. Thanks for your question.

    Matt

  13. do you have horsetails?

  14. I have african iris’s that have developed a fungus on the leaves, small white spots that appears to have prevented the blooming this year. I have used insedicide soap to kill and it doesn’t appear to have stopped the fungus on existing leaves. What can i do to kill and stop the spreading to non-involved plants and return involved plants back to beautiful green color and to ensure blooms next year. Can this plant take full florida sun, I would like to move them to new location next to my house where they would receive full sun from noon until sun sets.

    • Cheryl-
      That is a plant that is not hardy in KY, so I don’t have any direct experience with it. You may want to treat the fungus on the leaves with a general fungicide and be careful with watering, not to get water on the leaves, etc. You can also take a sample into your extension agents office and they can diagnose the problem better by seeing it in person. As far as moving it to a sunnier location, from everything that I have read about the African Iris (Dietes bicolor) they thrive in dappled shade to full sun, so yes it should be fine. Hopefully this helps. Good luck.

      Matt

  15. Do you have any Golden Raintree or Sourwood trees? What information can you give me about them?

  16. I planted 32 Steeplechase arborvitae about 1 month ago and it looks like almost all are experiencing new growth. However a couple of them look pale green and do not have new growth yet. Does this mean they may be dying or is there something I can do to them?

    • Joseph-
      I don’t know if it necessarily means they are dying, but they may be alittle stressed? Possibly the soil is different in that area or the water. Somtimes too much water can be just as much as a problem as too little. You could feed them with an acid based fertilizer like Holly Tone or Miracid. Also, you may want to take a sample into the extension office and see what they think. Hopefully this helps.

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