Kelly's Gardening Q & A

Read the Q & A from our ongoing column with Kelly Grummons answering common Colorado gardening questions.

Kelly is co-owner of the mail order nursery businesses, coldhardycactus.com and dogtuffgrass.com.

Have gardening questions?  Fill out our form here. Use our search below to find info on Colorado gardening questions & topics: 

Do Aphids Overwinter?

Do Aphids Overwinter?

Q: I grow kale in a raised bed. Last year it got covered (smothered) in aphids. After using Neem oil spray on it for a month, I decided...

Spotty Buffalo Grass

Spotty Buffalo Grass

Q: I have ‘Legacy’ Buffalo Grass in the front yard and parkway. It has been there for 8-10 years. Over the last two years it has gotten...

Is there an advantage to using grafted tomato plants over seed grown plants?

Is there an advantage to using grafted tomato plants over seed grown plants?

Q: For the last few years, I see grafted tomatoes in many of the catalogs when I’m ordering vegetable seeds. They seem expensive. Is...

What veggies can I plant in late summer and fall?

What veggies can I plant in late summer and fall?

Q: What vegetables can I plant in late summer and fall for a nice late fall, winter or early spring harvest? A: The vegetables that we...

Small Onions

Small Onions

Q: Our family uses a lot of onions in the kitchen. I’ve tried to grow them for a couple of years but was disappointed with the size of...

Can I Plant Potted Bulbs Outside?

Can I Plant Potted Bulbs Outside?

Q: I got some potted bulbs (crocus, daffodil, tulip, and hyacinth) on clearance after Valentine’s Day that were nearly done flowering....

Power Lines & Harshly Pruned Trees

Power Lines & Harshly Pruned Trees

Q: There are power lines running along the back of our property. The previous owner planted a variety of trees along the back fence. Some...

Agastache, Rudbeckia, Gaillardia, and Delphinium: Short Lived Perennials

Agastache, Rudbeckia, Gaillardia, and Delphinium: Short Lived Perennials

Q: Some of my favorite perennials flower all summer. I especially love Agastache, large-flowered Rudbeckia, Gaillardia, and Delphinium....

Cactus & Agave Frost Damage

Cactus & Agave Frost Damage

Q: Some of our cactuses and Agaves got a lot of damage in that October deep freeze. We’ve had them for years and this is the first time...

Cactuses not Blooming

Cactuses not Blooming

Q: Over the last few years, I’ve collected a number of cacti and succulents. When I look them up online, it shows that they have gorgeous...

Dividing Mother's Peonies

Dividing Mother's Peonies

Q: Our mother passed away recently and I’d like to divide her old peonies to move to my and my siblings’ gardens. Can we divide them in...

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About Colorado Gardener
Celebrating our 25th Year of Publishing Colorado Gardener!

Colorado Gardener is an independently owned, creatively designed tabloid-size gardening news magazine. We provide our readers with the ideas, information, resources, inspiration and sense of humor needed to grow ornamental and edible plants successfully in our fast changing, unpredictable climate. We emphasize waterwise and environmentally sound practices.

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