Skip to content
  • 💳 Spend less, get more 💳
  • 💳 Spend less, get more 💳
The Garden ShopThe Garden Shop
  • Garden Tools
    • Pruners & Loppers
    • Weeders & Cultivators
    • Trowels & Planting Tools
    • Trugs & Harvest Baskets
    • Shovels & Hoes
    • Garden Carts
    • Tool Belts Totes & Organizers
  • Grow Lights & Stands
    • Grow Light Stands
    • Grow Light Fixtures & Bulbs
    • Grow Light Accessories
    • Tabletop Grow Lights
    • Bamboo Grow Lights
    • Sunlite Grow Lights
  • Plant Stands & Trays
    • Plant Stands
    • Plant Caddies
    • Plant Stand Trays
  • Pest & Disease Controls
    • Animal Controls
    • Fences & Barriers
    • Insect Controls
    • Plant Disease Controls
  • Soils & Fertilizers
    • Potting Soil Mixes
    • Fertilizers
    • Soil Amendments
    • Seed Starting Soils
  • Seeds
    • Vegetable Seeds
    • Herb Seeds
    • Flower Seeds
    • Fruit Seeds
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

Home / Soils & Fertilizers / Seed Starting Soils
Sale!
Seed Starting Mix, 9 Qts.
Seed Starting Mix, 9 Qts. - Image 2
Seed Starting Mix, 9 Qts. - Image 3
Seed Starting Mix, 9 Qts. - Image 4
Seed Starting Mix, 9 Qts. - Image 5
Seed Starting Mix, 9 Qts. - Image 6
Seed Starting Mix, 9 Qts. - Image 7
Seed Starting Mix, 9 Qts. -The Garden Shop 8592212 3979 001E tif 4
Seed Starting Mix, 9 Qts. -The Garden Shop 8592212 6220
Seed Starting Mix, 9 Qts. -The Garden Shop 8592212 6177
Seed Starting Mix, 9 Qts. -The Garden Shop 8592212 1
Seed Starting Mix, 9 Qts. -The Garden Shop 8592212 3 1
Seed Starting Mix, 9 Qts. -The Garden Shop 8592212 2 1

Seed Starting Mix, 9 Qts.

$12.99 Original price was: $12.99.$9.09Current price is: $9.09.

SKU: Z2FYZ 8592212 Categories: Seed Starting Soils, Soils & Fertilizers Tags: Organic seed starting mix, Seed starter mix, Seed starter soil, Seed starting mix, Seed starting soil
  • 100% High Quality Guarantee
  • Multiple payment methods, 100% payment security
  • fast shipping
  • Service with a smile, always online.
Browse
  • Garden Tools
    • Garden Carts
    • Pruners & Loppers
    • Shovels & Hoes
    • Tool Belts Totes & Organizers
    • Trowels & Planting Tools
    • Trugs & Harvest Baskets
    • Weeders & Cultivators
  • Grow Lights & Stands
    • Bamboo Grow Lights
    • Grow Light Accessories
    • Grow Light Fixtures & Bulbs
    • Grow Light Stands
    • Sunlite Grow Lights
    • Tabletop Grow Lights
  • Outdoor Furniture
    • Accent Tables
    • Cushions
    • Dining Tables & Sets
    • Furniture Covers
    • Garden Benches
    • Outdoor Kitchen
    • Seating
  • Pest & Disease Controls
    • Animal Controls
    • Fences & Barriers
    • Insect Controls
    • Plant Disease Controls
  • Plant Stands & Trays
    • Plant Caddies
    • Plant Stand Trays
    • Plant Stands
  • Seeds
    • Flower Seeds
    • Fruit Seeds
    • Herb Seeds
    • Vegetable Seeds
  • Soils & Fertilizers
    • Fertilizers
    • Potting Soil Mixes
    • Seed Starting Soils
    • Soil Amendments
  • Uncategorized
  • Description
  • Reviews (0)

Seed Starting Mix with SuperRoot Booster Grows Healthy, Robust Seedlings

  • Fine-textured blend promotes rapid germination and vigorous seedlings
  • Provides excellent drainage for healthy root growth
  • SuperRoot Booster creates the living soil mix that plants need to thrive
  • Garden-tested and guaranteed!
  • 9 quarts

Start seeds off right with this finely textured blend. Ideal for use in self-watering and regular seed-starting trays, it offers the perfect balance of drainage and wicking action to keep roots moist.

Our SuperRoot Booster with MycoActive® Technology creates the living soil mix that plants need to thrive. The secret? Mycorrhizae, amazing microbes that form a partnership with roots to support vigorous and resilient plant growth.

SuperRoot Booster:

  • Promotes strong roots
  • Boosts nutrient and water uptake
  • Enhances plants’ resilience to stress
  • Improves drought tolerance

Product Details

  • Canadian sphagnum peat moss, perlite, limestone, wetting agent, mycorrhizae (Glomus intraradices)
  • 9 quarts
  • Gardener’s Supply Exclusive

Reviews

There are no reviews yet.

Be the first to review “Seed Starting Mix, 9 Qts.” Cancel reply

Related products

Sale!
TSK Replenishment Kit
Quick View

Potting Soil Mixes

TSK Replenishment Kit

$35.99 Original price was: $35.99.$25.19Current price is: $25.19.
Sale!
Container Recharge Compost Mix Kit
Quick View

Soil Amendments

Container Recharge Compost Mix Kit

$18.99 Original price was: $18.99.$13.29Current price is: $13.29.
Sale!
Berry Blend Coir Grow Bag, Set Of 2
Quick View

Potting Soil Mixes

Berry Blend Coir Grow Bag, Set Of 2

$13.99 Original price was: $13.99.$9.79Current price is: $9.79.
Sale!
Vermont Compost Compost Plus, 20 Quart
Quick View

Potting Soil Mixes

Vermont Compost Compost Plus, 20 Quart

$39.99 Original price was: $39.99.$27.99Current price is: $27.99.
Sale!
Organic Potting Mix, 20 Quarts
Quick View

Potting Soil Mixes

Organic Potting Mix, 20 Quarts

$27.99 Original price was: $27.99.$19.59Current price is: $19.59.
Sale!
Energy Buttons, 5 Lbs.
Quick View

Fertilizers

Energy Buttons, 5 Lbs.

$14.99 Original price was: $14.99.$10.49Current price is: $10.49.
Sale!
Coco Coir Potting Mix
Quick View

Potting Soil Mixes

Coco Coir Potting Mix

$7.99 Original price was: $7.99.$5.59Current price is: $5.59.
Sale!
Gardener's Best® Organic Tomato Fertilizer, 24 Oz.
Quick View

Fertilizers

Gardener’s Best® Organic Tomato Fertilizer, 24 Oz.

$14.99 Original price was: $14.99.$10.49Current price is: $10.49.
MY ACCOUNT
  • My account
  • Wishlist
  • Checkout
  • Cart
ABOUT US
  • About Us
  • Returns & Exchanges
  • Delivery
  • FAQ
  • Contact Us
LEGAL
  • Privacy Policy
  • Shipping Policy
  • Payment Method
  • Term and Conditions
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2026 © www.gardenerskitshop.com
    • Garden Tools
      • Pruners & Loppers
      • Weeders & Cultivators
      • Trowels & Planting Tools
      • Trugs & Harvest Baskets
      • Shovels & Hoes
      • Garden Carts
      • Tool Belts Totes & Organizers
    • Grow Lights & Stands
      • Grow Light Stands
      • Grow Light Fixtures & Bulbs
      • Grow Light Accessories
      • Tabletop Grow Lights
      • Bamboo Grow Lights
      • Sunlite Grow Lights
    • Plant Stands & Trays
      • Plant Stands
      • Plant Caddies
      • Plant Stand Trays
    • Pest & Disease Controls
      • Animal Controls
      • Fences & Barriers
      • Insect Controls
      • Plant Disease Controls
    • Soils & Fertilizers
      • Potting Soil Mixes
      • Fertilizers
      • Soil Amendments
      • Seed Starting Soils
    • Seeds
      • Vegetable Seeds
      • Herb Seeds
      • Flower Seeds
      • Fruit Seeds
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.