• Blue Spruce Decline

    I have 2 blue Spruce (not sure which cultivar) that are showing browning of the tips (see pictures) They are growing on the south side of the house in Aurora. There is some shade from the Ash to the south…

  • Emerald green cedar turning brown

    My landscaper planted several 6-feet cedar last year. Three browned and died. He replaced them last April. Now the same three start to brown again. I watered them everyday in the summer to make sure they are not dry. The…

  • Dwarf Alberta Spruce black stems

    Hi, this is truly the worst year for problems with plants in my garden…My Dwarf Alberta Spruce all of a sudden developed blackening of the stems and I had to remove some branches. It looks like a pest or a…

  • Impatiens Dying

    I have planted impatiens for many many years with little problems. This year, after growing and looking beautiful they suddenly go rubbery and wild and die. Looks a lot like when they get frost in the fall. Any ideas what…

  • Dark spots and eaten leaves on perennials

    My plants leaves are turning dark brown and curl up; it was started from one of the purple cornflowers, then it spread to the other purple cornflowers, bee balm and hydrangea. Most of them are new plants in my yard…

  • Spinach problems

    My spinach came up nicely, but all the plants have tuned yellow and are wilting.  What’s happening?…

  • Caterpillars on redbud

    Hello, I have just noticed web-like nests of small yellow caterpillars on the branches and leaves of my Eastern redbud. At the same time, I saw that many of the tree’s leaves have curled/ruffled edges, the veins are yellow and…

  • Problem with Pagoda Dogwood

    I have a multi-stemmed (two main stems) Pagoda Dogwood that I planted about 4 years ago.Last year it was very robust and healthy, but this year the younger ad thinner of the two main stems seems to have much smaller…

  • Mildew and white worms on phlox

    My purple phlox suffered from mildew in the late summer/fall, plus what appeared to be a small, about 1/4 inch long fat white grub or bug on the underneath side of the leaf. Can you please advise on what this…