1. My azalea leaves are turning a light tan color, and all I see when inspecting them are little black dots on the back of the leaf. Is this a disease or an insect? Published: December 19, 2007
2. Can you tell me how to propagate flowering dogwood from seed? Published: December 19, 2007
3. My hardy kiwis are now several years old and growing at the rate of 15 to 20 feet per season, but there are no signs of flowers. Any suggestions? Published: December 19, 2007
4. I have several giant sunflowers that look as if they're ready to be picked. Is there an easy way to separate the seeds from the head and chaff? Published: December 19, 2007
5. How do I go about pruning a large, old shrub rose (looks like a Rugosa rose) in my yard? Published: December 19, 2007
6. I would like to create a flower border and need to know how many plants I'll need. Are there any general rules of thumb on spacing plants? Published: December 19, 2007
7. I think my rhododendron is dying from phytophthora root rot. What can you tell me about this plant disease? Published: December 19, 2007
8. My pole beans have produced a first crop and seem to be forming a second. Will these flowers produce beans? Published: December 19, 2007
9. When is the best time to separate yucca plants and replant them? Published: December 19, 2007
10. Can you tell me how I can determine the sex of a holly plant? I have a female and I'd like to buy a male. Published: December 19, 2007
11. Why do my roses grow vigorously but don't bloom? Published: December 18, 2007
12. This spring I planted caladiums in a shady spot in my garden and they flourished. What is the best way to overwinter them indoors? Published: December 18, 2007
13. I would like to air-dry some garden flowers. Can you tell me what flowers will dry and how to go about it? Published: December 18, 2007
14. Is the best way to extend the shelf life of flowers, especially roses, to cut them underwater? I was taught to do this, but some Web sites say to cut them and then plunge them immediately in water, which isn't the same thing at all. Published: December 18, 2007
15. Is coral honeysuckle fragrant? On an 8-foot-wide piece of lattice, how far apart do you recommend planting 1-gallon plants? Published: December 17, 2007
16. I have a passion flower vine in my back yard that has had a lot of growth but never blooms. What should I do to get it to bloom? Published: December 17, 2007
17. What can you tell me about a peperomia plant? Published: December 17, 2007
18. We have large beds of iris infested with a thorny vine called greenbrier. How can we get rid of this weed? Published: December 17, 2007
19. My entire yard is bordered with pine trees. What can I plant around these trees (flowers and shrubs) that will not be killed off by pine needles? Published: December 17, 2007
20. We placed black plastic sheeting over topsoil, cut holes in the plastic, and set perennials. Finally, we covered the area with small lava rocks. Is there any risk of mold or other fungal disease from the black plastic? Published: December 17, 2007
21. I have been wanting to try the Hinchley's yellow columbine. I have a 2-foot bed around a pecan tree on a brick outdoor patio. In the summer the bed gets sun in late afternoon and evening. Would it work? What other plant could I use? Published: December 17, 2007
22. Leaf miner damage to my columbines is rampant and severely affects the beauty of the plant. How do I get rid of this problem? Published: December 17, 2007
23. I'm helping a high school plant two 35-foot-by-6 foot-by-3-foot-high brick planters in front of the school. They are already filled with soil, but a landscaper thought we should insulate the inside edges with foam insulation board. Is this necessary? Would it help perennials overwinter? Published: December 17, 2007
24. It's May and I have purchased a Blue Star (Amsonia). When will it flower? In the fall do I cut it back as I would other perennials? Published: December 17, 2007
25. I like the look of shredded bark mulch around perennials, and there are several choices of wood available, such as cedar, cypress, and pine. Is any one of these better or worse as far as depleting nitrogen? What about decomposition? Published: December 17, 2007
26. I moved my peony to a new location while it was in leaf. Ever since, the plant has looked "wilty," although it is very green. I water it often because the weather has been so dry. Will it recover or do I need to cut the stems and let the plant put its energy into new growth? Published: December 17, 2007
27. Why do peony leaves develop spots and blotches and then die by late summer? Published: December 17, 2007
28. I have dark red peonies that get to be about 16 inches tall and then do nothing. My white peonies and pink peonies do really well and are planted in the same area. Why won't the red ones get bigger and bloom? Published: December 17, 2007
29. My Japanese tree peony bush is rangy and needs pruning. How much can I prune it back and when? Published: December 17, 2007
30. Do you know what would cause healthy peonies with many 1-inch-diameter buds to suddenly "hang their heads"? The foliage and stems are still upright and strong. The downward curving starts about 3 to 4 inches below the bud. Published: December 17, 2007

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