Content tagged "colorado"

My pear tree I planted this spring is dropping yellow leaves. My thirty-foot tall hackberry is doing the same thing. I'm watering regularly with a sprinkler and the grass looks okay under the trees. What's wrong with them?

Gardens & Landscapes Updated: June 24, 2010

What kind of iridescent green insects (about 1/8-inch long) could have attacked whirling butterfly bushes and eaten nearly all the plant leaves? Will they return and, if so, what is the best method of control?

Gardens & Landscapes Updated: June 24, 2010

What kind of large, red flying wasp with blue wings would be dragging a large rubbery-looking spider across the patio, then stuffing it into a hole in the ground? Is it a hunting wasp, and what kind of spider is it?

Gardens & Landscapes Updated: June 24, 2010

There is some foamy yellow stuff growing on the wood chip mulch in my landscape. What is it and how can I remove it?

Gardens & Landscapes Updated: June 24, 2010

I have a Canada red cherry that suckers continually at the base. What can I do to control these suckers?

Gardens & Landscapes Updated: June 24, 2010

Some of the leaves on my maple tree are brown and curling at the edges. Is the damage caused by some type of disease or insect?

Gardens & Landscapes Updated: June 24, 2010

Small bubbly blobs of milky-white foam can be found on my junipers. What is it and can it damage my junipers or other garden plants?

Gardens & Landscapes Updated: June 24, 2010

The leaves of my aspen have been turning brown around the edges and some are dropping. What should I do?

Gardens & Landscapes Updated: June 24, 2010

What would be good companion plant for oriental poppies?

Gardens & Landscapes Updated: June 24, 2010

What could be eating round holes in the leaves of rose bushes?

Gardens & Landscapes Updated: March 26, 2010

Should tree branches be pruned if they did not leaf out because of a late spring frost?

Gardens & Landscapes Updated: December 02, 2009

What fruit trees will grow and produce at an 8,400-foot elevation in Colorado?

Gardens & Landscapes Updated: December 02, 2009

What is the best way to move and transplant a small redbud tree?

Gardens & Landscapes Updated: December 02, 2009

I've heard we don't have chiggers in Colorado so what little bugs could have caused severe red bites over our entire torso? We experienced intense itching, fevers and a high pulse rate. None of us felt anything while it happened.

Updated: October 20, 2009

What causes the white, powdery substance in my backyard soil each spring?

Gardens & Landscapes Updated: October 20, 2009

What are some suggestions for controlling garden slugs in Colorado?

Gardens & Landscapes Updated: October 20, 2009

Are there any hardy fig tree varieties that will survive in Colorado? It seems I may have one. The small tree is multi-trunked, about 7 feet tall and the fruit is still on the branches.

Gardens & Landscapes Updated: December 10, 2008

Are Canadian Hemlock (Tsuga canadensis) trees suitable for Colorado?

Gardens & Landscapes Updated: October 28, 2008

Which pear tree would be best in my back yard: Aristocrat or Bradford? Also, is it true that pear trees are an invasive species in Colorado?

Gardens & Landscapes Updated: May 15, 2008

Will the Thuja Green Giant tree thrive in Denver, Colorado? We'd like an evergreen.

Gardens & Landscapes Updated: May 15, 2008

i live in Colorado. How do you get rid of the weed Geraniaceae (redstem filaree)? I have sprayed it, but it keeps coming back and spreading. It's in the middle of blue gramma and field grass so I can't use a nonselective herbicide.

Gardens & Landscapes Updated: May 15, 2008

i live in Colorado. What's the problem with our Autumn Blaze maple tree? Its leaves have turned yellow, and about half of the leaves have black spots and are dying.

Gardens & Landscapes Updated: May 15, 2008

Will rosemary survive outside in Colorado in the winter?

Gardens & Landscapes Updated: April 22, 2008

Is it possible to go grow peanuts outdoors in Colorado?

Gardens & Landscapes Updated: March 04, 2008

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