JR Peters Jack's Classic 10-30-20 Blossom Booster Water-Soluble Fertilizer 1.5 lb — High Phosphorus Bloom Enhancer

JR Peters Jack's Classic 10-30-20 Blossom Booster is a water‑soluble 1.5 lb powdered fertilizer formulated to promote more abundant and more vividly colored blooms for indoor and outdoor flowering plants.

Jack's Classic 10-30-20 Blossom Booster by JR Peters is a concentrated, water‑soluble powder designed for hobbyists and professional growers who want to feed flowering plants efficiently. The 10-30-20 N‑P‑K balance focuses on higher phosphorus to encourage bloom development while supplying secondary and micronutrients to support overall plant nutrition. Packaged in a waterproof-labeled plastic tub, the powder dissolves into multiple gallons of feed solution, making it economical for routine bloom-season applications.

How does this fertilizer help flowers perform during the bloom phase?

The 10-30-20 formulation provides relatively high phosphorus compared with nitrogen and potassium, a nutrient profile commonly used to support floral initiation and flower quality. Regularly applied at recommended rates, it supplies the elements plants need while also delivering micronutrients to avoid common deficiencies.

• Higher phosphorus ratio supports bloom formation and development.
• Balanced nitrogen and potassium maintain foliage and root function.
• Included micronutrients prevent trace-element shortfalls during heavy flowering.

How do I mix and apply this water‑soluble powder safely?

Measure the powder according to the label directions and dissolve completely in water before applying. Use the prepared solution with a watering can, hose-end applicator, or fertigation system; always follow recommended concentrations and application frequency to avoid overfeeding.

• Mix in a clean container; stir until fully dissolved to prevent clogging sprayers.
• Apply as a root drench or through irrigation—do not apply undiluted to foliage.
• Store the resealed tub in a cool, dry place to preserve solubility and label readability.

What types of plants and situations are best suited to Jack's Classic 10-30-20?

This blend is formulated for flowering ornamentals, bedding plants, patio containers, greenhouse crops, and other bloom-producing species. It’s appropriate for both outdoor landscapes and indoor flowering houseplants when used during active flowering periods.

• Annuals, perennials, and containerized flowering plants.
• Greenhouse and nursery production where soluble feeding is used.
• Home gardeners wanting a concentrated powder that makes multiple gallons of feed.

How does the product packaging and micronutrient content affect use and storage?

The fertilizer comes in a plastic tub with waterproof labeling to keep instructions legible even in humid or wet conditions. Micronutrients are pre-blended into the powder so you don’t need separate trace-element additives during normal feeding schedules.

• Plastic tub protects powder from moisture and simplifies storage.
• Waterproof label ensures application instructions remain readable outdoors.
• Micronutrients included to deliver a complete feeding in one product.

Who is this for: JR Peters Jack's Classic 10-30-20 Blossom Booster suits gardeners, hobby growers, and commercial producers who prefer a concentrated powder fertilizer that dissolves into many gallons of solution. Choose this product if you want a bloom-focused N‑P‑K ratio, built‑in micronutrients, and a compact 1.5 lb container that’s easy to store and measure for routine flowering-season feedings.

Ingredients

10-30-20