Greenhouse Soil & Compost

Healthy soil is the foundation of a productive Growing Dome, and dome soil behaves differently than outdoor garden soil: warmer year-round temperatures, controlled watering, and compressed seasonal cycles create unique demands on the biology. This category brings together writing on Growing Dome soil and composting: how to build and maintain healthy beds in an enclosed environment, composting strategies that work alongside a dome, managing salt buildup over time, the amendments that work best, and stories from owners on how their soil has evolved over the seasons. Explore content for new and longtime dome gardeners alike.

Garden trowel beside food scraps buried in soil, with a Growing Dome greenhouse behind
Persons feet standing on the edge of a raised garden bed turning amendments into the soil

Do you Need Fertilizer in a Greenhouse?

April 20, 2026

Fertilizing in a greenhouse isn’t the same as outdoors. Discover how nutrients behave differently and when plants actually need support.

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infographic like artwork showing a circle in the middle depicting rotating crops in your Growing Dome

Sustainable Gardening: Why Crop Rotation Matters

July 15, 2025

By thoughtfully implementing crop rotation, you can significantly enhance the health and productivity of your Growing Dome garden. This essential permaculture practice not only minimizes soil depletion and deters pests and diseases but also contributes to a thriving, balanced ecosystem within your greenhouse.

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inside 42' geodesic dome growing food for Archuleta County Seniors

Composting 101: How to Compost for a Thriving Garden

May 16, 2025

Composting is a valuable permaculture practice that transforms organic waste into a nutrient-rich resource for regenerating soil. While composting has challenges such as odor and pests, its benefits, including waste reduction, carbon sequestration, and soil improvement, are significant.

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paonia soil totes with a 42' growing dome in the background

Boosting Your Garden with Paonia Soil Co.’s Soil Solutions

February 25, 2025

Paonia Soil Co. is a Colorado-based, family-owned manufacturer of fully mineralized, living, organic potting soils and soil conditioners. We’re passionate about cultivating a diverse soil food web and making it simple, successful, and profitable to use for growers, gardeners, and landscapers alike!

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Oyster mushrooms rejuvenating greenhouse soil under a fig tree in a substrate of straw

Natural Greenhouse Soil Rejuvenation with Mushrooms for Healthier Crops

February 20, 2025

Learn how mushrooms help with greenhouse soil rejuvenation, improve fertility, moisture retention, and enhance plant health for sustainable growing.

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Vermiculture, Vermicomposting, and How to Do It

October 22, 2024

What’s the Difference Between Vermiculture and Vermicomposting? Vermiculture is the cultivation or farming of worms, whereas vermicomposting uses the worms to convert organic waste into nutrient-rich compost for plants. Both terms often overlap in their use and are a great way to reduce waste, improve soil health, and create a sustainable gardening practice. This blog…

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Is Straw Bale Gardening the Best Gardening Method?

May 29, 2024

Creating a backyard garden is an exciting and fulfilling adventure, but filling raised garden beds can become expensive. Luckily there are a few types of gardening that will not only help to reduce costs but improve the quality of the soil over time!

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simple soil test kit for testing your soil

How to Test and Amend Your Garden Soil

March 19, 2021

Any indoor growing space is more prone to dry soil and fertility loss simply because it is not getting as much water. The garden soil in a Growing Dome needs extra care to produce optimally year after year. This article will explain a simple process for every gardener to maintain healthy soil in the spring and summer and achieve ultimate success.

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Turnips in Healthy Soil

How to Improve Garden Soil Over the Winter

January 19, 2021

Nurture Your Soil to Keep Your Dome Greenhouse Garden Thriving All Year It is easy to forget that our garden’s soil is alive with organic matter even when there are not any plants growing in it. Soil provides moisture and nutrients to your plants. But to do so correctly, the soil requires a healthy level…

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Young basil plants growing in a soil bed inside a Growing Dome greenhouse

Hydrophobic Soil and How to Fix It

June 17, 2020

Healthy soil contains organic matter that retains moisture longer, even in extreme climates or weather conditions, unlike Hydrophobic soil, which is dry soil that does not want to take in water. This happens when the bacteria and fungal life in your soil die off from lack of moisture. There are many different degrees of hydrophobic soil and many ways to fix it.

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Ripe red tomatoes hanging on the vine inside a greenhouse

Off The Vine

April 1, 2020

Optimize micronutrients by eating fruits and vegetables immediately after harvest. There are so many benefits to eating vegetables fresh from the earth. Taste, nutritional value and saving trips to the grocery store. Food travels hundreds, if not thousands, of miles before it makes it to the grocery store shelves and loses critical nutrients along the way.

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Soil composition chart showing 45% mineral particles, 25% air, 25% water, and 5% organic matter; the organic matter is divided into 80% humus, 10% roots, and 10% organisms

Soil Composition

March 1, 2019

Blog: Soil composition is the most important, yet most misunderstood factor for many home growers. The health of your soil is crucial to the vitality of the plants you choose to grow in your greenhouse. But what is makes up soil composition? How does it differ from dirt?

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Soil Amendment

March 1, 2019

Blog: If you want to ensure the longevity of your garden beds, soil amendment is crucial. Ideally, if you’re keeping up with cover cropping and crop rotation you won’t need to do soil amendment too often.

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Vermiculture

October 24, 2017

We are experts these days. Please click here to see our latest article on vermicompost. We think you will like it even more! What is vermiculture? I wondered the same thing myself, because listening to garden podcasts and just talking to people about gardening in general I hear this term often. I know it is…

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Soil Farmers

October 11, 2017

“We are grass farmers” is a quote from the famous Joel Salatin and I can’t seem to forget it. He explains that in order to grow great cattle, poultry, or pigs, you must have great food to give to them. (Sound familiar?) In order to grow that grass to feed those animals, you must have…

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Kyles's mulch

Greenhouse Mulching, Should You? Do You? If So Read This Article And Watch These Videos First!

June 1, 2015

Greenhouse Mulching You know you should be mulching, right? Or should you? This could be a contentious subject, so before you throw off your garden gloves, let me explain. There are a lot of opinions out there about mulching. Well, we just did a little greenhouse mulching experiment here at Growing Spaces in our 15′ Dome and…

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Replenish Your Garden’s Footprint

February 15, 2013

Let’s start out by first acknowledging that gardening is an inherently Earth-friendly activity. The basic acts of turning the soil, sowing seeds, watering, and nurturing the plants literally consists of acting in a loving, gentle and kind way toward the Earth. Gardening is also eco-friendly in less direct but as conspicuous ways. The most obvious…

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Bare soil and wire bed supports laid out for raised beds inside a Growing Dome greenhouse

Testing the Foundation of Your Garden

January 26, 2012

From time to time, we receive questions about the soil in the gardening beds of the Growing Dome. The question of soil, like many things in gardening, can be a life-long pursuit or can be a spontaneous leap of faith. Examining the interactions between micro-organisms, fungi, minerals, biomass and more keeps laboratories at the most…

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Open compost tumbler filled with dry leaves and kitchen scraps

Adding Composted Leaves to the Soil

September 28, 2010

So Richard Miller, our resident Master Gardener here at Growing Spaces, and I finally made it to my Growing Dome for a little gardening evaluation.  Turns out that my concerns about my gardening skills have a lot less to do with the results this year in my Dome, than the soil or rather in this…

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