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Harlequins Gardens

Harlequins Gardens

Boulder's specialist in well-adapted plants

We Are Open Tuesday – Sunday, 9 – 5 for the season

Gift Memberships & Gift Certificates  – available online!
See our seasonal hours and address, below.

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Home | Products | Other Soil Products

Other Soil Products

Compost Tea and a New Organic Compost!

May 28, 2024

Our compost tea will be ready this week, hopefully by Friday. Our tea has always been good, but this year we are working on making it even better. Please let us know if you can see good results from using it, and if it seems to be more effective.

Say Hello to ECOPLUS Organic Compost! We are replacing our A-1 Eco-Grow compost with the newly-available ECOPLUS Organic Compost, an OMRI certified organic compost made by A-1 Organics in Colorado.[Read More]

Very Special Products to benefit Your Soil Life and Your Plant Life

February 22, 2022

It all starts with the Soil, and we have some very special products to benefit your Soil Life and Your Plant Life!

All of these are sold pre-packaged, and we bag many of them ourselves in refundable, reusable plastic bags. Our Compost Tea is sold in refundable, reusable 1-gallon jugs, or you can bring your own.[Read More]

Bagged Composts

May 29, 2019

These are the composts we carry during the season, although we don’t always have them all in stock at the same time:[Read More]

Big Foot Mycorrhizae

July 18, 2020

The Soil Food Web is an important component for healthy plants. This concentrate has not only outstanding Mycorrhizae but also carriers of Biochar, kelp and worm castings. Improve water and nutrienet uptake, root growth and plant growth while reducing transplant shock and drought stress.

Bush Doctor Sledgehammer

July 18, 2020

encourages water movement through soil and soilless media.  High fertilizer use can compromise plant growth over time due to concentrated mineral salt deposits. This product is a unique rinse formula designed to remove fertilizer buildup which may relieve nutrient lockout. Derived from saponin, an extract of the Yucca schidigera plant. Can be used for both hydroponic and soil applications

Expanded Shale

July 18, 2020

Mined south of Boulder, then fired. A superior clay buster, loosens and aerates clay soils, holds water & air, and supports microorganisms. Excellent for Roses and Fruit Trees. Used at Texas A&M and recommended by Joan Franson, Rosarian.

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Sign-up for our weekly e-newsletters to receive empowering gardening tips, ecological insights, and to keep up on happenings at Harlequin’s Gardens — such as flash sales and “just in” plants. We never share customer’s addresses!

We do not ship plants!

Our plants are for sale ONLY at our Boulder location. We DO NOT ship plants or any other products.  Come visit us!

Hours by Season

SUMMER HOURS
Tuesday-Sunday, 9AM-5PM

 

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Contact Us

303-939-9403 (Retail)
staff@harlequinsgardens.com

4795 North 26th St
Boulder, CO 80301

Sign-up for E-Newsletters!

Sign-up for our weekly e-newsletters to receive empowering gardening tips, ecological insights, and to keep up on happenings at Harlequin’s Gardens — such as flash sales and “just in” plants. We never share customer’s addresses!

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Our Hours

Seasonally, MARCH to OCTOBER.
MARCH HOURS:
Thursday-Sunday, 9AM-5PM

APRIL-OCTOBER HOURS:
Tuesday-Sunday, 9AM-5PM

JANUARY - FEBRUARY HOURS
Thursday-Saturday, 10AM-4PM

Mondays, CLOSED

The plants we grow are organically grown. All the plants we sell are free of bee-killing neonicotinoid pesticides.