Jack's Classic Bloom Booster
Best for gardeners seeking enhanced flowering and robust plant growth.
This professional-grade bloom booster delivers vibrant colors and abundant flowers with its proven 1:3:2 nutrient ratio. It feeds plants through both roots and leaves, making it a versatile choice for everything from houseplants to vegetables. Trusted by pros, it's also great as a transplant solution for a strong start.
$19.99
at
Calloways
Who it's for
- Gardeners aiming for maximum floral display and fruit yield
- Growers seeking quick results and efficient nutrient delivery to plants
- Plant enthusiasts desiring robust plant health alongside impressive flowering
Who should skip it
- Novice gardeners unfamiliar with precise fertilizer application rates
- Individuals needing an all-purpose fertilizer for various plant life cycles
- Environmentally conscious gardeners concerned about nutrient runoff
Performance breakdown
Bloom Stimulation
The high phosphorus ratio triggers prolific flowering in diverse plant species.
Nutrient Absorption
Dual-action delivery ensures plants intake nutrients through roots and foliage efficiently.
Versatility
Equally effective for ornamental flowers, vegetable gardens, and transplant shock recovery.
Solubility
Dissolves rapidly in water for consistent, clog-free application in sprayers.
Professional Reliability
A trusted industry standard used by commercial growers for predictable results.
Color Vibrancy
Optimized nutrient balance significantly enhances pigment intensity in petals and leaves.
Key Specs
NPK Ratio
10-30-20
Package Weight
1.5 lb
Fertilizer Form
Water Soluble Powder
Application Method
Foliar Spray, Root Feed
Intended Use
Indoor Plants, Outdoor Plants
Target Plant Type
Flowers, Vegetables
Primary Benefit
Bloom Booster
Nitrogen Percentage
10%
Phosphorus Percentage
30%
Potassium Percentage
20%
Know before you buy
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