Jacks Classic Blossom Booster
Best high performance fertilizer for home gardeners seeking vibrant floral displays.
This high-phosphorus formula is designed to trigger and support heavy flowering during the critical bud-set phase. It is an effective, water-soluble solution that helps maximize bloom size and quantity for both ornamental plants and vegetable crops.
$34.99
at
Northland Gardens
Who it's for
- Gardeners seeking maximum flower yields and intense floral colors
- Busy plant owners who prefer efficient, clog-free liquid feeding
- Versatile growers managing a diverse collection of flowering plants
Who should skip it
- Novice gardeners prone to over-applying concentrated chemical fertilizers
- Eco-conscious growers prioritizing soil health and organic gardening practices
- Low-maintenance gardeners who prefer slow-release, one-time plant food
Performance breakdown
Bloom potency
The 10-30-20 NPK ratio delivers a powerful punch for flower production.
Solubility speed
Dissolves rapidly in water, preventing clogged sprayers or uneven nutrient distribution.
Nutrient balance
Includes essential micronutrients to support overall plant health during heavy blooming.
Ease of application
Simple mixing instructions make it accessible for both beginners and pros.
Versatility
Works effectively across a wide range of vegetables and ornamental plants.
Growth control
Requires careful timing to avoid unwanted stretching during the vegetative phase.
Key Specs
Weight
4 lbs
NPK Ratio
10-30-20
Nitrogen Percentage
10.0%
Phosphorus Percentage
30.0%
Potassium Percentage
20.0%
Water Soluble
Yes
Fertilizer Form
Powder
Primary Benefit
Increase blossom size and number
Application Method
Mix with water
Season of Use
Spring, Summer
Know before you buy
Still have a question?
Ask Metto anything about the Jacks Classic Blossom Booster before you decide.
