Description
🌱 Black Swallow Living Soil Seed Starter Mix
Available now at Limestone City Hydroponics, Kingston, Ontario
Give your seeds the strongest possible start with a mix designed to create the perfect early‑life environment. This blend supports seedlings with:
- Moisture retention without waterlogging
- Excellent aeration for healthy root oxygen
- Gentle, slow‑release nutrition that won’t burn tender seedlings
- Beneficial biology that boosts root development and resilience
- Balanced pH for optimal nutrient uptake
- Trace minerals that support strong, steady early growth
Seedlings are delicate. They thrive in a medium that’s light, airy, low in salts, and biologically active—and this mix checks every box.
🌱 Why This Mix Helps Seeds Thrive
A great seed‑starting mix must:
- Hold moisture evenly so seeds don’t dry out
- Provide air pockets so roots can breathe
- Stay low in nutrients so seedlings aren’t overwhelmed
This blend does all of that while adding microbial life, minerals, and gentle nutrition that help seedlings transition smoothly into vigorous young plants.
🌱 Ingredient Benefits (Clear & Simple)
Fine Peat
- Even moisture retention
- Soft, fluffy texture
- Low nutrient content—ideal for germination
- Creates a stable environment around the seed
Fine Perlite
- Improves drainage
- Prevents compaction
- Increases oxygen availability
- Keeps the mix light and airy
Wollastonite
- Natural source of plant‑available silicon
- Strengthens cell walls
- Improves stress tolerance
- Adds slow‑release calcium
Soft Rock Phosphate
- Gentle, slow‑release phosphorus
- Supports early root development
- Safe for sensitive seedlings
Volcanophos
- Additional slow‑release phosphorus
- Provides volcanic trace minerals
- Enhances early vigor and root strength
ThermX 70 (Yucca Extract)
- Natural wetting agent
- Helps water penetrate evenly
- Prevents hydrophobic dry pockets
- Improves nutrient uptake
Endomycorrhizae
- Beneficial fungi that bond with roots
- Increase nutrient and water absorption
- Improve transplant success
- Build stronger, more resilient root systems
Dolomitic Lime
- Balances pH
- Adds calcium and magnesium
- Keeps nutrients available to seedlings
Basalt Rock Dust
- Broad spectrum of trace minerals
- Supports enzyme function
- Builds long‑term soil fertility
Fish Compost
- Gentle, microbe‑rich organic matter
- Adds beneficial biology
- Provides mild, slow‑release nutrients
- Improves structure and moisture retention
Worm Castings
- Nutrient‑balanced, microbe‑dense fertilizer
- Stimulates root growth
- Enhances natural disease resistance
- Provides humic acids for better nutrient uptake
🌱 The Big Picture
This isn’t just a seed‑starting mix—it’s a biologically active, mineral‑rich, perfectly balanced environment that supports:
- Fast, even germination
- Strong early root development
- Better nutrient uptake
- Higher transplant success
- More vigorous young plants
It gives seedlings everything they need without overwhelming them, which is the key to healthy starts.



