Bag of Rosy Soil Seedling mix, designed for germination and propagation, placed on a wooden table with plants and a typewriter.
Seedling soil in trays with vibrant green seedlings, promoting strong growth for plants and microgreens.
Hands opening a resealable bag of seedling soil on a table with a potted plant and gardening tools in a green indoor setting.
Bag of Rosy Soil seedling soil with labeled ingredients: compost, worm castings, sand, pine bark fines, mycorrhizae, and biochar.
Instructions for using Rosy Soil for seedling propagation, featuring a seedling soil bag and potted plants.
A person opening a bag of Rosy Seedling Soil, featuring vibrant packaging with green plant graphics and informative text.
Hands holding a pink bag of Rosy Soil labeled for seedling use, featuring green plant graphics and text.
Bag of Rosy Soil designed for seedlings, featuring nutrient-rich ingredients and beneficial microbes for healthy plant growth.

Our Thrive Promise

We stand behind our product and are committed to your growing journey. If your kit isn't growing as expected, contact us so you can try, try again.

Seedling Soil

$19.99

Scientifically blended for robust root development. Proudly peat-free with carbon-capturing biochar. Made from natural and upcycled material.

Size:4 Quart: 50 Cells

Our Thrive Promise

We stand behind our product and are committed to your growing journey. If your kit isn't growing as expected, contact us so you can try, try again.

Why we sell it

Our friends at Rosy Soil create sustainable, peat-free soils that naturally support healthy plant growth.

Why you'll dig it

  • NUTRIENT-PACKED: Enhances soil aeration, drainage, and nutrient absorption, providing the ideal foundation for robust seedling and propagation growth.
  • RESEALABLE: Thoughtfully packaged in plant-based packaging, our Seedling Mix is available in a convenient 8lb size, making it perfect for nurturing young plants.
  • SUSTAINABLE: Crafted from eco-conscious, premium ingredients such as biochar, worm castings, mycorrhizae, pine bark fines, sand, and compost, our Seedling Mix is completely free from peat and synthetic additives.
  • LIVING SOIL: Enriched with beneficial fungi and microorganisms, our Seedling Mix is designed to foster vigorous root development, ensuring your seedlings and propagations thrive.
  •  MISSION-DRIVEN: Our carbon-neutral blend contributes to the fight against climate change and is tailored to meet the specific needs of all types of seedlings and propagations, including vegetables, flowers, herbs, houseplants and more.

Free Shipping Orders $149+

Free ground rate shipping applies to orders $149+ before tax and discounts and shipping to the lower 48 states.

Shipping to Alaska, Hawaii or Canada? You are not eligible for free shipping, but you’ll have several shipping options at checkout.

Free Shipping Orders $149+

Free ground rate shipping applies to orders $149+ before tax and discounts and shipping to the lower 48 states.

Shipping to Alaska, Hawaii or Canada? You are not eligible for free shipping, but you’ll have several shipping options at checkout.

No hassle returns

We stand behind our products, so if a kit isn’t growing as expected or something is wrong with your order please reach out. Our team will respond quickly to help troubleshoot and send replacement components as needed so you can try, try, try again as part of our Thrive Promise. Reach us at service@modsprout.com. To start your hassle-free return, click here.

No hassle returns

We stand behind our products, so if a kit isn’t growing as expected or something is wrong with your order please reach out. Our team will respond quickly to help troubleshoot and send replacement components as needed so you can try, try, try again as part of our Thrive Promise. Reach us at service@modsprout.com. To start your hassle-free return, click here.

Customer service

Visit our help center for support with commonly asked questions. Or reach us directly at service@modsprout.com.

Customer service

Visit our help center for support with commonly asked questions. Or reach us directly at service@modsprout.com.

​

customer reviews

our tips & stories

Pruning Shears - Lightweight & Durable Garden Clippers by Modern Sprout

How Often Should You Replace Your Pruners

Most pruners do not run on a replacement schedule. They run on whether they still cut cleanly, an...
Read more
Pruning Shears - Lightweight & Durable Garden Clippers by Modern Sprout

Best Pruners for Arthritic or Aging Hands

If pruning has started to ache, you are not imagining it. Repeated squeezing strains the same joi...
Read more
Glow & Grow Kits - Soy Candle That Grows Into a Plant by Modern Sprout

How to Grow Herbs Indoors Year-Round

Fresh basil within arm’s reach of the stove, mint for your tea, parsley you snip instead of buy: ...
Read more