FoxFarm Happy Frog Jump Start Fertilizer 3-4-3 | 4lb - OMRI Listed - (Case of 12)

Transplant Fertilizer for Seedlings and Freshly Re-Potted Plants

Moving a seedling into the ground or re-potting a container plant is a stressful moment for the root system, and a fertilizer built for established plants isn't necessarily what a freshly disturbed root system needs. FoxFarm Happy Frog Jump Start 3-4-3 is formulated specifically for that transition, leaning on phosphorus for early root development and calcium for cell wall strength right when a plant needs it most.

The 4lb OMRI Listed bag, sold in a case of 12, suits nurseries, garden centers, and growers who regularly handle transplanting and seedling establishment across many plants each season.

Key Features & Benefits

• OMRI Listed — keeps the transplant and establishment window within an organic feeding program.
• 3-4-3 NPK ratio — the elevated phosphorus supports early root development right after transplant.
• Calcium included — supports cell wall development, which can help a transplant handle stress during establishment.
• Formulated for transplants — built specifically for the window right after moving a seedling or re-potting a container plant.
• Granular format — mixed into the planting hole or applied around the base of a fresh transplant.

Who Should Use Jump Start Fertilizer

Gardeners and growers who regularly transplant seedlings or re-pot container plants and want a fertilizer tuned for that specific window, rather than a general feeding formula, are the fit for Jump Start.

About Fox Farms

FoxFarm designs its Happy Frog specialty fertilizers, including Jump Start, at its Humboldt County, California operation, targeting specific moments in a plant's life cycle rather than covering every stage with one formula.

Frequently Asked Questions

What makes Jump Start different from a general vegetable or garden fertilizer?

It's formulated specifically for the transplant window, with phosphorus emphasized for early root development and calcium included for cell wall support, rather than a broad nutrient profile meant for an already-established plant. That focus is narrower than an all-purpose formula.

Is Jump Start OMRI Listed?

Yes, Happy Frog Jump Start 3-4-3 is OMRI Listed for use in organic production. That makes it a fit for nurseries and gardeners running an organic-only propagation or transplant program.

How do I apply Jump Start when transplanting?

Mix it into the planting hole when setting a seedling or transplant, or apply it around the base of a freshly re-potted plant, then water in thoroughly. It can also be used as a light top dressing shortly after transplanting.

Does the calcium in Jump Start help reduce transplant shock?

Calcium supports cell wall development, which may help a plant hold up better to the physical stress of transplanting, though watering consistency and handling care matter too. It's one part of supporting establishment, not a guarantee against transplant stress.