Pro-Mix
PRO-MIX MPO AGTIV REACH Multi-Purpose Growing Medium
Best reliable medium for promoting vigorous plant development.
PRO-MIX® MPO AGTIV® REACH™ is an organic-certified growing medium designed for organic herb and vegetable cultivation. It offers a balanced blend of air and water properties, enhanced with Mycorrhizae to promote robust root development, improve nutrient and water absorption, and increase plant resilience. This OMRI Listed® medium is ideal for cell packs and larger containers, ensuring healthy plant growth without burning seedlings. Its composition includes Canadian Sphagnum Peat Moss, horticultural-grade coco coir for structure and water distribution, and perlite for superior drainage and aeration.
$64.99
Owner Satisfaction
4.5
/ 5
Category Rank
736
/ 1247
#736 in Soil
Price vs Category Average
+28%
Above average
Blend
Mycorrhizae, Peat, Perlite, and Coco Coir
/ Mycorrhizae, Peat, Perlite, and Coco Coir
Who it's for
- Gardeners seeking accelerated growth and plant vitality
- Home gardeners and growers with diverse plant collections
- Serious hobbyists and commercial growers valuing consistency
Who should skip it
- Budget-conscious gardeners looking for basic, inexpensive options
- Shoppers preferring immediate in-store purchases over online sourcing
- Enthusiasts cultivating exotic plants with very specific substrate needs
Performance breakdown
Root Development
Mycorrhizae integration significantly accelerates root establishment and overall plant vigor.
Drainage Efficiency
Perlite and coco coir blend prevents waterlogging in sensitive seedling stages.
Nutrient Retention
High-quality peat moss ensures consistent moisture and nutrient availability for plants.
Seedling Safety
Gentle formulation eliminates the risk of burning delicate young root systems.
Structural Integrity
Coco coir provides a stable, airy structure that resists soil compaction.
Organic Versatility
OMRI listing makes this a reliable choice for diverse organic gardens.
Key Specs
Blend
Mycorrhizae, Peat, Perlite, and Coco Coir
Peat
60-70% Canadian Sphagnum Peat Moss
Coir
(horticultural grade) - improves structure and water distribution
Perlite
(horticultural grade) - enhances drainage and aeration
Mycorrhizae PTB299 - (glomus intraradices) for enhanced nutrient and water uptake, stress resistance and overall root and plant health
Water Holding
High
Bulk Density
Low
Certifications
OMRI Listed®
Features
- Organic-certified for sustainable growing
- Enhanced with Mycorrhizae for root development
- Optimized air and water balance
- Improves nutrient and water uptake
- Increases plant stress resistance
- Suitable for seedlings and larger plants
What customers say
Customers consistently praise this growing medium for its remarkable effectiveness in promoting robust plant growth across various applications. Many users highlight its ease of use, noting how well it retains moisture and provides essential nutrients, leading to healthier, more vigorous plants from seed to maturity. Gardeners appreciate the consistent results, making it a reliable choice for both novice and experienced growers seeking superior plant performance without complex adjustments. The overall consensus points to a highly satisfactory experience, delivering on its promise of multi purpose utility.
Know before you buy
Yes, this mix is specifically formulated to be gentle on young plants and will not burn seedlings. Its balanced texture makes it an excellent choice for cell packs and starter trays.
Mycorrhizae are beneficial fungi that colonize the root system to create a symbiotic relationship. This helps your plants absorb more water and nutrients from the soil, leading to stronger roots and better resilience against environmental stress.
Absolutely. Because it is OMRI Listed and organic-certified, it is a versatile choice for organic vegetable and herb gardens, whether you are growing in containers on a patio or in a greenhouse.
The inclusion of horticultural-grade coco coir improves the overall structure of the medium. It helps maintain a consistent balance of air and water, ensuring that moisture is distributed evenly throughout the container.
Yes, the blend includes horticultural-grade perlite, which provides superior aeration and drainage. This prevents the medium from becoming overly compacted or waterlogged, which is essential for healthy root development.
This is a high-quality growing medium designed to provide the ideal physical environment for roots. While it contains beneficial Mycorrhizae, you should plan to follow a regular fertilization schedule tailored to the specific needs of the vegetables or herbs you are growing.
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$65