Skip to content
  • šŸ”„ Save big on low-priced items! šŸ”„
  • šŸ”„ Save big on low-priced items! šŸ”„
Plant Supports ShopPlant Supports Shop
  • Menu
  • Plant Supports
    • Flower Supports & Trellises
    • Vegetable Supports & Trellises
    • Tomato Cages & Supports
    • Plant Support Accessories
  • Houseplant Supplies
    • Watering Cans & Tools
    • Soils & Fertilizers for Houseplants
    • Houseplant Accessories
    • Terrariums
    • Houseplants
  • Soils & Fertilizers
    • Potting Soil Mixes
    • Fertilizers
    • Soil Amendments
    • Seed Starting Soils
  • Pest & Disease Controls
    • Animal Controls
    • Fences & Barriers
    • Insect Controls
    • Plant Disease Controls
  • Seeds
    • Vegetable Seeds
    • Herb Seeds
    • Flower Seeds
    • Fruit Seeds
  • New Products
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

 

Seed Starting Mix, 9 Qts.

Home / Soils & Fertilizers / Seed Starting Soils
  • Garden Lime, 6.75 Lbs. -Plant Supports Shop GS40394 01SV tif
  • Organic Raised Bed Potting Mix, 20 Quart -Plant Supports Shop 8613368 6129 organic raised bed potting mix 20 quart
New
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. -Plant Supports Shop 8592212 3979 001E tif 4
Seed Starting Mix, 9 Qts. -Plant Supports Shop 8592212 6220
Seed Starting Mix, 9 Qts. -Plant Supports Shop 8592212 6177
Seed Starting Mix, 9 Qts. -Plant Supports Shop 8592212 1
Seed Starting Mix, 9 Qts. -Plant Supports Shop 8592212 3 1
Seed Starting Mix, 9 Qts. -Plant Supports Shop 8592212 2 1

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

Buy Now
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
  • Free 1 year warranty period
  • Quick responses, top-notch service.
  • 100% Quality Satisfaction
  • Made of environmentally friendly materials
Browse
  • Houseplant Supplies
    • Houseplant Accessories
    • Houseplants
    • Soils & Fertilizers for Houseplants
    • Terrariums
    • Watering Cans & Tools
  • Pest & Disease Controls
    • Animal Controls
    • Fences & Barriers
    • Insect Controls
    • Plant Disease Controls
  • Plant Supports
    • Flower Supports & Trellises
    • Plant Support Accessories
    • Tomato Cages & Supports
    • Vegetable Supports & Trellises
  • Seeds
    • Flower Seeds
    • Fruit Seeds
    • Herb Seeds
    • Vegetable Seeds
  • Soils & Fertilizers
    • Fertilizers
    • Potting Soil Mixes
    • Seed Starting Soils
    • Soil Amendments
  • Uncategorized
Recently Viewed
  • Achla Designs Orangery Trellis Achla Designs Orangery Trellis $84.95 Original price was: $84.95.$59.47Current price is: $59.47.
  • 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 MycoActiveĀ® 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

New
Organic Container Tomato Mix, 20 Quart
Quick View

Potting Soil Mixes

Organic Container Tomato Mix, 20 Quart

$29.99 Original price was: $29.99.$20.99Current price is: $20.99.
New
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.
New
TSK Replenishment Kit
Quick View

Potting Soil Mixes

TSK Replenishment Kit

$35.99 Original price was: $35.99.$25.19Current price is: $25.19.
New
Gardener's BestĀ® Flower Fertilizer
Quick View

Fertilizers

Gardener’s BestĀ® Flower Fertilizer

$39.99 Original price was: $39.99.$27.99Current price is: $27.99.
New
Energy Buttons, 5 Lbs.
Quick View

Fertilizers

Energy Buttons, 5 Lbs.

$14.99 Original price was: $14.99.$10.49Current price is: $10.49.
New
Berry Fertilizer
Quick View

Fertilizers

Berry Fertilizer

$9.99 Original price was: $9.99.$6.99Current price is: $6.99.
New
Gardener's Best®Organic Tomato Fertilizer
Quick View

Fertilizers

Gardener’s BestĀ®Organic Tomato Fertilizer

$14.99 Original price was: $14.99.$10.49Current price is: $10.49.
New
Espoma Bio-tone Starter Plus Plant Food, 4 Lb
Quick View

Fertilizers

Espoma Bio-tone Starter Plus Plant Food, 4 Lb

$14.99 Original price was: $14.99.$10.49Current price is: $10.49.
OUR SHOP
  • My account
  • Checkout
  • Cart
  • Payment Method
CONTACT
  • About Us
  • Contact Us
  • FAQ
  • Returns & Exchanges
CUSTOMER SERVICES
  • Privacy Policy
  • Shipping Policy
  • Delivery
  • Term and Conditions
STAY IN TOUCH

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

    Copyright 2026 Ā© www.plantsupportgear.com
    • Plant Supports
      • Flower Supports & Trellises
      • Vegetable Supports & Trellises
      • Tomato Cages & Supports
      • Plant Support Accessories
    • Houseplant Supplies
      • Watering Cans & Tools
      • Soils & Fertilizers for Houseplants
      • Houseplant Accessories
      • Terrariums
      • Houseplants
    • Soils & Fertilizers
      • Potting Soil Mixes
      • Fertilizers
      • Soil Amendments
      • Seed Starting Soils
    • Pest & Disease Controls
      • Animal Controls
      • Fences & Barriers
      • Insect Controls
      • Plant Disease Controls
    • Seeds
      • Vegetable Seeds
      • Herb Seeds
      • Flower Seeds
      • Fruit Seeds
    • New Products
    • 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.