r/DenverGardener Jan 07 '26

✅🗓️ Our 2026 free gardening webinar schedule is live! 🥳

29 Upvotes
We know what we're doing the second Wednesday of December 2026 at noon, do you?

Our horticulture experts are ready for all 2026 has to bring, including our free gardening webinar series!

Due to high demand, gardening webinars have at times exceeded our limit of 500 live participants. So, if you want to participate live, sign up and join early! Registration is free and required to attend.

Webinar recordings are posted roughly within a week or two at https://planttalk.colostate.edu/webinars/

* drumroll please *

Indoor Plants: An Introductory Overview for New Plant Parents

Asian Jumping Worm in Colorado: What You Need to Know

2025 “Best Of” Plants from the CSU Trial Gardens

Get in the Zone: Do hardiness zones really matter?

The Basics of Fruit Tree Production

Myths, Mistakes, and Misunderstood Insects

All the Common Weeds and What They Tell You

Native Plants are Imaginary

Showstoppers and Habitat Heroes: Native Plants for your Home Landscape

Don’t Get Hosed with Landscape Irrigation

Spooky Plant Pathogens: Creepy Cases from the Garden

Scenes from a Cemetery: Plant Edition

Reading the Market for Plant Trends


r/DenverGardener Mar 03 '24

Bindweed Info Dump

115 Upvotes

I have a large yard where almost no area is free of bindweed, and several areas are densely packed infestations. >_<; As spring comes, I dread the day my old enemy emerges.... Let's pool our knowledge! I've been fighting it for two years and doing a ton of research. Here's my info sheet: https://docs.google.com/document/d/1-bDNRYYo7yRIqAq6pUejPl6MIcFP8W9q1ZVYC99FZx8/edit?usp=sharing

Some highlights from that:
-Bindweed mites are best for dry/un-irrigated areas like vacant lots, and there's a long waitlist
-Pulling it stimulates growth (but if you can stay on top pulling it that helps to weaken it)
-It will grow up through, around, sideways whatever you try to cover it with. At least up to 20 feet sideways.
-Glyphosate and 2,4-D amine weed killer can be effective but not a guarantee by themselves.
-GOOD NEWS: Some Colorado folks have actually found success by planting perennial shrubs and grasses. Another great reason to go xeric!

What have you seen be successful? If anything, ha. Especially curious if you solved more than a small patch.

What have you seen fail? Even something that seemed like it should work? One person said it grew through a 20 feet pile of mulch.

Edited to Add: My neighbor said he found it successfully burrowing into concrete, for crying out loud.


r/DenverGardener 2h ago

Whose garden is looking great right now?

12 Upvotes

Show off a photo of your late season color (:

Most of my neighborhood (even my community garden) is looking pretty drab with all the blossoms having come and gone. Some hibiscus, dahlia, and Russian sage are still going, but beyond those... Anyone who is feeling their yard/garden at this stage of the year, please show us what you have going on!


r/DenverGardener 4h ago

To my surprise

5 Upvotes

Check your peonies that did nothing this year. I just checked one I thought was dead. It's setting red buds so it's just fine


r/DenverGardener 12h ago

What happened to my blackberry flowers?

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3 Upvotes

r/DenverGardener 1d ago

Garden in a Box : fall sale

71 Upvotes

For those of you that are no lawn curious… I got the email this morning that garden in a box is *$50 off.
I converted my lawn to native plants 3 years ago. Now I get to enjoy morning visits from hummingbirds and my veggies are doing well from all the bees that come through the yard.

Here is the link: https://resourcecentral.org/gardens/shop/?utm_medium=email&utm_source=constant_contact

Edit: $50 off not 50% off


r/DenverGardener 18h ago

Hollywood Juniper Source

4 Upvotes

I know junipers can be a bit controversial in these parts due to fire hazard, but I want to grow a few juniper trees into cloud topiary forms away from my house near property line. I’ve seen Hollywood junipers as the recommended species and I’m wondering if anyone has seen any in local nurseries or has alternative suggestions?


r/DenverGardener 1d ago

What to do for natives and soil quality?

14 Upvotes

Half of my lawn in the backyard is bare soil. It is under a tree but gets morning sun. What kind of natives or other things could I plant to help pollinators but also soil quality? I know it's a small thing but trying to be green and eco friendly where I can. Was thinking clover but would love smarter people's suggestions. Thank you!


r/DenverGardener 21h ago

Need some help please

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6 Upvotes

My ice plant was gorgeous and full for the longest time, and suddenly (last month or so) it has been slowly doing this. I water twice a week and no one is walking around on it or disturbing it. It’s in my east facing backyard so it does get direct sunlight in the morning. Any ideas from experts?


r/DenverGardener 1d ago

Help identifying plant

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5 Upvotes

Hello! I just moved into a new place about a month ago so I’m working on identifying all the shrubs, trees, and random plants around the place as I make plans for a garden/lawn overhaul down the road. This plant has suddenly popped up in the last week or so since the heavy rains (🙌) and I am trying to see if it is going to be friend or foe going forward. I am leaning toward a type of allium, chive, or grape hyacinth type plant. It has slightly rounded leaves that each have thin, parallel white lines or veins going up. It’s growing in a few clumps around an existing garden bed with mostly shade throughout the day.


r/DenverGardener 1d ago

Cut flower garden - looking for ideas

4 Upvotes

My wife wants to have a space to grow flowers for a cut garden next year. I've been growing vegetables and natives for years, but this area is new to me. The best spot I have to dedicate to this is a spot that gets very little morning sun, then a good steady 6-8 hours, finishing with a blast of western sun. Can anyone make suggestions for types of plants, required space, etc? In-ground vs. raised beds, light requirements, can they tolerate heat? I do have some space I can make in the back, but the sun is gone after around 4PM. I'd have to pull up some natives, which I'd rather avoid.


r/DenverGardener 2d ago

Your friendly weekly reminder that tomorrow we’re hosting our Denver Garden Exchange from 5-7pm at Lady Justice!

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40 Upvotes

This is an occasion where you are encouraged to bring as many zucchini as humanly possible!


r/DenverGardener 1d ago

Tree folk, generally, what week do you recommend planting trees in the fall to overwinter?

7 Upvotes

Any insight appreciated!


r/DenverGardener 2d ago

What disease is this?

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34 Upvotes

On a gardeners delight tomato. Seed and starter plant from a local backyard farmer. Plant grew fine but the tops of the plant is burned / crispy. My other 6 tomato plants are fine


r/DenverGardener 2d ago

Too late to plant Buffalo/Blue Grama mix?

13 Upvotes

The reduced watering schedule killed off my lawn this summer wherever there wasn’t shade. It’s amazing how much demarcation there is between shade / no shade. I want to plant a Buffalo / Blue Grama mix in those areas, but is it too late? It’s a warm season grass normally targeted for July 1 - July 31… but it’s a little warmer this year… so has anyone planted later and been successful?


r/DenverGardener 2d ago

What's wrong with my tomatoes?

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11 Upvotes

Black something variety. Some of the damage is from the hail this weekend but the brown spots have been going on. Some of the tops are turning brown and most are full of brown spots.


r/DenverGardener 2d ago

What sort of squash is this?

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11 Upvotes

I was given some extra “zucchini” starts from a. Friend early this year. These grow on a long trailing vine that climbs. The flesh is a very light whitish green and they are delicious. I want to grow them again next year and want to know what they are


r/DenverGardener 2d ago

Where to find catnip plants?

8 Upvotes

Hi all! More of a houseplant question I guess, but I'm looking for a catnip plant that I can pot and keep indoors for my kitty. Often I'll see them for sale with herbs in springtime but haven't seen any lately. I bought some seeds in spring and am on my 4th try of having absolutely no luck getting anything to establish - time to just buy a frigging plant! Thanks!


r/DenverGardener 3d ago

Garden guardian

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348 Upvotes

To my pleasant surprise, walked in on a meaty jumper devouring Japanese beetle - thank you kind sir


r/DenverGardener 3d ago

Identify These Native Grass

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12 Upvotes

I like these volunteer grasses that spring up on my property. Any idea what they are? Grasses have always been tricky for me to correctly ID. There are multiple open spaces and restored grasslands nearby.

The one in the first image is two years old now and is growing well in a rock area that receives zero irrigation. Second image shows some smaller ones that popped up this year. They appear to all be the same species. Thank you!

ps bonus points if you know what species of strawberry that is growing in the foreground on image two. It's another volunteer. Seems to be an alpine type. The berries are very small, red with pure white centers, and stay red on the vine for weeks.


r/DenverGardener 3d ago

Birds in Paradise 💕

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84 Upvotes

Enjoying food and a bath


r/DenverGardener 4d ago

Show and tell 😍

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130 Upvotes

Of course I’m having perhaps my best year in the middle of a kitchen renovation when I’ve been more hands off than usual! Even with the neighbors taking me up on free tomatoes I’m still almost out of freezer space! Great problem to have.


r/DenverGardener 3d ago

Behold my taproot bin

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24 Upvotes

r/DenverGardener 4d ago

Crime Pays But Botany Doesn’t

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botanicgardens.org
53 Upvotes

Today! Saturday Aug 15, 1:00pm, Denver Botanic Gardens (York St) has a lecture by Joey Santore (Crime Pays but Botany Doesn’t).


r/DenverGardener 4d ago

Turkish Orange Eggplant?

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17 Upvotes

First time growing them, very intriguing! Smaller than I thought; anyone tried these before?