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Herb Soil

Your Kitchen’s Secret Ingredient

Meet the potting mix that makes basil blush and parsley perform. Herb Mix is a microbially rich, peat-free blend crafted for culinary and aromatic herbs like basil, thyme, mint, parsley, and lavender. It delivers fluffy aeration, steady moisture, and a living soil ecosystem so your herbs grow lush, flavorful, and less fussy.

$19.99

Free shipping on orders over $60

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Herb Soil

$19.99

Helps Your Herbs Grow Happy

Watering Made Easier

Soil That Feeds Your Herbs

Good for Your Plants & Planet

Product Details

NUTRIENT DENSE

Boosts soil aeration, drainage, and nutrient uptake to help herbs and seedlings flourish

LIVING SOIL

Fortified with beneficial fungi & microbes to help promote healthy root development and bountiful harvests

SUSTAINABLE

Made from eco-friendly, high-quality ingredients (biochar, compost, mycorrhizae, pine bark fines) and is free from peat & synthetic additives.

MISSION-DRIVEN

Our carbon-neutral blend helps fight climate change and is perfect for all types of herbs & seedlings like basil, thyme, parsley, mint, cilantro, chives, oregano, rosemary, and other kitchen herbs.

RESEALABLE

Plastic neutral packaging in convenient sizes for indoor and outdoor gardening

Ingredients

Wood Biochar

A horticultural charcoal that increases nutrient retention, hosts beneficial microbes, and stores carbon in the soil.

Mycorrhizae

Beneficial microorganisms that form a symbiotic relationship with plant roots, allowing the plants to absorb more nutrients.

Worm Castings

Nutrient-rich organic matter produced by worms that provide plants with essential nutrients.

Compost

Helps reduce waste in landfills by turning green waste and wood waste into a useful source of nutrients for plants.

Bark Fines

A byproduct of the mulch industry which enhance soil structure and improve aeration.

Recycled Paper

Adds airy, fibrous structure that keeps the mix light and well-draining.

FAQ

Why is Rosy Soil made without peat moss?

Peat moss has been a common ingredient in commercial potting mixes since the 1960s. However, it's obtained by extracting peat bogs, which are vital ecosystems that store carbon. At Rosy, we believe there's a better way. So, we've developed our blends with alternatives that are effective and sustainable.

How is Rosy different from other soils?

Rosy’s potting soil is all-natural, peat free, and made from biochar. 

We’ve consciously sourced our ingredients not only because they’re great for your plants but also because they’re good for our planet

Unlike traditional potting soil ingredients that are environmentally taxing, our biochar potting mix only contains natural and carbon-negative amendments.

Read additional information about Our Mission.

How is Rosy Soil Earth friendly?

We use carbon-negative, organic ingredients to create the best indoor potting mixes.

Typically, these organic materials are sent to a landfill, where they release methane and CO2 — two potent greenhouse gases. But by redirecting these organic materials from landfills and stabilizing their carbon structure, we prevent the release of those greenhouse gases.

Essentially, we turn our soil into a carbon sink, which means it helps to remove CO2 from the atmosphere.

Discover more about what we mean by Earth Positive on Our Mission page.

What is biochar?

Biochar is nature’s soil supercharger — a form of carbon that’s created by heating organic material (like wood or plant matter) in a low-oxygen environment.

Think of it as a sponge-like charcoal made for plants. It improves soil structure, helps retain water and nutrients, and creates a thriving home for beneficial microbes. It’s also incredibly stable, meaning it stays in the soil for hundreds (even thousands!) of years — all while capturing and storing carbon that would otherwise enter the atmosphere.

Unlike peat moss, which is strip-mined from delicate wetlands, biochar is regenerative and climate-positive. It’s science-backed, time-tested, and foundational to everything we do.

Can I add Rosy to my current potting soil?

Yes! You can add Rosy to your current potting soil — whether it’s an inorganic or organic potting soil mix, cactus or orchid mix, or otherwise. 

Doing so will help you refresh your old soil and revive its benefits for plant care. 

Alternatively, you could directly replace your current soil mix with Rosy.

How many pots will a bag of Rosy Soil fill?

Our 8 Quart bag of Rosy Herb Soil will fill:

4 to 6 medium 6" pots

Our 4 Quart bag of Rosy Herb Soil will fill:

2 to 3 medium 6" pots

And unlike traditional potting mixes, you won’t need to replace the soil every year due to compaction.

Soil Mates: Plants That Love This Mix

Perfect for countertop herbs and starter plants, basil, cilantro, parsley, lavendar, and more

Culinary All-Stars (Tender Annuals)

  • Basil (Genovese, Thai, Lemon, Holy/Tulsi)
  • Cilantro/Coriander
  • Parsley (Flat-leaf/Italian, Curly)
  • Dill
  • Chervil
  • Summer Savory

Aromatic Essentials

  • Mint (Spearmint, Peppermint, Chocolate, Apple)
  • Lemon Balm
  • Lemongrass (seedling stage)
  • Shiso/Perilla (Green, Red)
  • Lemon Verbena (young plants)

Mediterranean Classics (Woody or Semi-Woody)

  • Thyme (English, Lemon, Creeping)
  • Oregano (Greek, Mexican)
  • Marjoram
  • Rosemary (upright and creeping varieties)
  • Sage (Common, Pineapple)
  • Lavender (seedlings and young starts)

Onion Family Favorites

  • Chives (Common, Garlic)
  • Green Onions/Scallions (seedlings)
  • Leek starts

Tea & Tisane Herbs

  • Chamomile (German, Roman)
  • Anise Hyssop
  • Bee Balm/Monarda (seedlings)
  • Stevia (young plants)

Spicy & Specialty

  • Tarragon (French)
  • Bay Laurel (young container plants)
  • Epazote (seedlings)
  • Culantro (seedlings)
  • Nasturtium (leafy greens and edible flowers)

Leafy Greens That Thrive in Herb Mix

  • Arugula
  • Baby Spinach
  • Baby Kale
  • Mustard Greens
  • Sorrel

Notes

  • Best for plants that prefer airy, well-draining soil.
  • Not ideal for bog lovers (think watercress) or heavy-feeding fruiting crops long-term.
  • Great for seed starting, transplanting young herbs, and keeping countertop gardens happy.

Good Soil Isn't A Miracle

Ready to Use - Plant Care Made Easy

No mixing, no amendments, and no guessing. Our pre-blended soil is optimized for all herbs, so even new plant parents can pot with confidence.

Nutrient Dense, Living Soil

Scientifically blended for lush, thriving plants — with biochar to improve nutrient retention, drainage, and long-term soil health. Your plants grow better because your soil is better.

Peat-Free & Eco-Friendly

Every bag captures CO₂ and helps fight climate change. Unlike most potting mixes, Rosy Soil is free from peat, plastics, and synthetics — making it safe for your plants and the planet.

Us vs Them


Not all soil is created equal — and what’s in the bag really matters.

Most traditional soils rely on peat moss — a non-renewable resource mined from fragile wetlands. It’s harmful to the planet, and not great for your plants either. Peat compacts over time, repels water when dry, and can even invite pests.

At Rosy, we’ve created something better. Our soil is powered by biochar and crafted from high-quality, regenerative ingredients that nurture your plants and help heal the planet.

Because if it’s not Rosy... it’s just dirt.

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average rating 4.8 out of 5
Based on 5 reviews
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5 Reviews
Reviewed by Steve
Verified Buyer
Review posted
I recommend this product
Rated 5 out of 5

A close to the perfect formulation for growing culinary herbs as I've seen

For years I ran a popular blog about indoor herb gardening. One thing my years of experience taught me was that all soils are not created the same when it comes to growing herbs. Yes, a generic bag of potting soil will be cheaper than this one. But this is no ordinary potting soil. Some of the highlights:

- This formulation contains low, gentle nutrient levels which herbs like basil, thyme, parsley, sage, and oregano prefer. Most bagged potting soils are far too rich for herbs which results in them appearing to grow lush but end up flavorless and bland with much less essential oils.

- This formulation contains Mycorrhizae, a beneficial organism that helps expand the root system, improve the uptake of phosphorus (something else important for flavor), and helps herbs tolerate drought (good for someone like me who sometimes forgets to water for too long).

- The Biochar helps aerate roots and hold nutrients. Other soils can become compact and hold too much water, which herbs hate.

- The worm castings provide gentle, plant-friendly nutrition and encourage microbial diversity. Again, the key to flavorful herbs isn't overloading it with fertilizer, but supporting steady, moderate growth which worm castings are ideal for.

- Finally, the inclusion of pine bark provides additional airflow to the roots and prevents soil from becoming too compact.

Comparing this to standard garden soil (which often retains far too much water) or garden soil formulated for vegetables (which…

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Reviewed by Levonia
Verified Buyer
Review posted
I recommend this product
Rated 5 out of 5

Expensive but really nice soil

This Rosy Soil may be expensive, but boy does it work fast! I have been wanting to grow indoor basil for some time now and this specialty herb mix seemed perfect for the job. I spread quite a few seeds of basil around in case germination rate wasn't great but I sure didn't need to! With a spray bottle I kept the top soil moist and within 3 days I had a ton of sprouts. So quick! I have recently culled most of the sprouts, leaving three in a triangle formation in hopes to give them each decent root real estate. I've had issues in the past with fungus gnats, but so far so good with this mix! It drains extremely fast and seems to dry out faster than other mixes. I really look forward to my first basil harvest!

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Reviewed by The C.
Verified Buyer
Review posted
I recommend this product
Rated 4 out of 5

Well balanced components for herbs

This soil looks amazing and it seems like my herbs are liking it.

I had a few rooted herbs (oregano, rosemary, and thyme) that needed to be potted and I decided to get this soil for them, one thing I noticed right away is that the soil stays moist but not waterlogged, and that helps a lot to keep those plants happy.

Also the balance of the components of it is excellent, exactly what most herbs love. I wish the price was a bit more affordable , that’s why I took one star off, other than that, everything is excellent about this product!

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Reviewed by Klein
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Review posted
I recommend this product
Rated 5 out of 5

Very good quality soil combination for herbs and veggies. Pricey for the small bag.

Excellent soil mixture for herbs and vegetables too. Read the ingredient mixture and you will figure out this combination for your herbs. This is a very small bag and looks like very rich compost mixture. I think the price is quite high for this size of bag, but its ingredients are superior quality. That being said, I mixed it in around my herb garden with an added mixture of other potting soil to extend the coverage of it and still get the nutritional value from what its made of. I am not sure I could afford to buy this bag of soil at the price its at, to do all my herbs and vegetables, but maybe to do an additive to my other soils, to reap the benefits of its make up. I have a lot of planters with herbs in them and at the price, if I was to just use this brand, I'd be broke. I think its a super soil and very happy with its ingredients, just pricey for the small bag.

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Reviewed by SunnySkies
Verified Buyer
Review posted
I recommend this product
Rated 5 out of 5

Perfect for my kitchen herb garden!

Rosy Soil Herb Mix is just what I needed to launch my mini herb garden on my kitchen window sill. The organic potting mix is fluffy and dark brown, with different-sized elements and a rich soil smell. I am rather new to window sill herb gardening, so investing in a quality potting mix specifically formulated for herbs is helping me take the guesswork out of ensuring my plants are properly enriched. Once my herb plants have an opportunity to establish themselves and grow, I will update this review with their progress. For now, I am happy with the appearance, feel, and smell of this herb potting soil, which makes me optimistic that my kitchen window sill garden will be a success.

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