Jack's 15-6-17 Clone
Best nutrient solution for establishing seedlings, cuttings, and young transplants.
Give your new plants the best start with Jack's 15-6-17 Clone fertilizer. This formula is specifically designed to encourage robust root development, helping seedlings, transplants, and cuttings establish quickly and strongly. Packaged in a 25 lb. bag, it provides essential nutrients for vigorous growth during critical early stages, making it ideal for lawns, vegetables, flowers, and houseplants. Ensure your young plants thrive from the moment they're planted.
$69.00
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
+12%
Above average
NPK Ratio
15617
/ --
Who it's for
- Experienced gardeners building custom, multi-part nutrient regimens
- Hydroponic growers needing clog-free, reliable nutrient delivery
- Commercial cultivators seeking cost-effective, high-volume feeding solutions
Who should skip it
- Casual hobbyists with limited space or small plant counts
- Beginners wanting a simple, all-in-one nutrient solution
- Growers preferring the convenience of pre-measured liquid fertilizers
Performance breakdown
Root development efficacy
Specialized nutrient profile accelerates establishment for cuttings and young seedlings.
Nutrient availability
Quick-release mineral formula provides immediate access to essential growth elements.
Application versatility
Broad compatibility across vegetables, flowers, and houseplants simplifies your garden routine.
Bulk value density
The 25-pound bag offers significant coverage for large-scale planting projects.
Ease of distribution
Granular form ensures consistent coverage but requires manual spreading precision.
Early growth support
Optimized NPK ratio creates a perfect foundation for vigorous early development.
Key Specs
NPK Ratio
15-6-17
Package Weight
25 lb.
Fertilizer Form
Granular
Nitrogen Content
15%
Phosphorus Content
6%
Potassium Content
17%
Release Type
Quick Release
Fertilizer Source
Mineral Based
Features
- Promotes strong and fast root growth
- Ideal for starting new plants
- Specifically formulated for young stages
- Provides essential nutrients for establishment
- Encourages robust root development
- Delivers a powerful start for new growth
What customers say
Customers consistently praise the exceptional quality and reliability of Jack's 15-6-17 Clone. Growers report vigorous and dependable plant growth across multiple cycles. A key benefit is the remarkable ease of use; the simple mixing process removes the complexity common in specialized feeding. This nutrient blend is frequently highlighted for offering outstanding value, delivering professional grade results at a competitive price point compared to other options on the market.
Know before you buy
This formula is specifically engineered to stimulate rapid and robust root development. It provides the essential nutrients young plants need to establish themselves quickly after being transplanted or started from cuttings.
While this product is highly effective for seedlings, transplants, and cuttings, it is specifically formulated for the early growth stages. For mature plants, you may want to transition to a fertilizer better suited for maintenance or bloom production.
No, this is a granular, mineral-based fertilizer. It is designed to be applied to the soil rather than dissolved in water for irrigation.
It is a versatile product suitable for a wide range of plants, including vegetables, flowers, houseplants, lawns, and young trees or shrubs.
The ratio represents 15% nitrogen, 6% phosphorus, and 17% potassium. This balance is tailored to support the specific metabolic needs of young plants as they develop their initial root systems and foliage.
No, this is a mineral-based, synthetic fertilizer. It is not certified organic.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$69