Jack's Classic Blossom Booster
Best bloom booster for gardeners seeking vibrant flowers and larger harvests.
This high-phosphorus formula is the secret weapon for turning lackluster foliage into a prolific display of blooms and heavy harvests. While it demands a bit more attention than a standard all-purpose feed, the trade-off is undeniable: significantly more vibrant flowers and larger, healthier vegetables.
$13.95
at
Gardengoodsdirect
More Classic options
Who it's for
- Impatient growers needing quick results for slow-blooming plants
- Plant owners seeking to prevent nutrient deficiencies during flowering
- Gardeners aiming for maximum flower production and bud development
Who should skip it
- Users preferring the convenience of pre-mixed liquid fertilizers
- Gardeners looking for an all-purpose fertilizer for vegetative growth
- Beginners prone to over-applying concentrated chemical fertilizers
Performance breakdown
Bloom stimulation
High phosphorus content drives exceptional bud development and vibrant floral displays.
Foliage health
Balanced micronutrients ensure leaves remain deep green and structurally sound.
Versatility
Equally effective for ornamental flowers, vegetable yields, and delicate bonsai maintenance.
Nutrient solubility
Dissolves quickly in water for efficient root uptake and immediate impact.
Application ease
Simple mixing instructions make consistent feeding straightforward for any gardener.
Growth support
Promotes steady, healthy vitality without forcing unnatural or weak plant growth.
Key Specs
NPK Ratio
10-30-20
Package Weight
1.5 lb
SKU
GSG01827
Water Soluble
true
Fertilizer Form
Water Soluble Powder
Nitrogen Percentage
10%
Phosphorus Percentage
30%
Potassium Percentage
20%
Application Method
Drench
Primary Benefit
Bloom Booster
Know before you buy
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