Jack’s 10-30-20 Bloom
$40.50- 1:3:2 major nutrient ratio
- Trusted by professional growers for over 70 years
- Soluble and available nutrient combination
- Stimulates blooming
- Results in heavy bud and fruit set
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All orchid varieties to promote vigorous vegetative growth and prolific blooming.

And don’t forget 15-0-0 Cal Nit Part B of this two part system!
– Nitrogen 0%
– Phosphate 12%
– Potassium 26%

Detailed description
– Nitrogen 15%
– Phosphate 0%
– Potassium 0%

And don’t forget 15-0-0 Cal Nit Part B of this two part system!
– Nitrogen 5%
– Phosphate 12%
– Potassium 26%


Use Jacks Bloom Booster 10-30-20 on all indoor and outdoor flowering plants like: geraniums, impatiens, begonias and marigolds. Great for vegetables and fruit. Can also be used as a transplant solution.

Azaleas, camellias, rhododendrons, pin oaks, holly, hydrangea (blue), magnolias, white and yellow pine, spruce, cedar, birch, blueberry.

All African violet varieties and all flowering houseplants.

Tropical fruiting plants like Meyer lemons and dwarf varieties, other lemons & limes, oranges, grapefruits, mangos, kumquats.

Philodendron, pothos, ficus, spathyphyllum, dracaenas, schefflera, palms, spider plants & aglaonema. Can also be used on outdoor flowering plants, and as a transplant solution.

Enhances blue flowers like lacecap including: blue bird, taube, fasan, mariesii. Mophead varieties: nikko blue, all summer beauty, matilda gutges, merritt’s supreme. It will not change the color of white hydrangea varieties

All orchids grown in a fir bark medium and plants with high nitrogen requirements. Can be used on turfs and ornamental grasses.

All tomatoes & peppers, cucumbers, eggplant, squash and zucchini.

All orchid varieties to promote vigorous vegetative growth and prolific blooming.

Get ready for a serious boost of available phosphorus. The primary goal of this formula is to assist in shutting down the strong vegetative growth stage of the plant and stimulate a switch to the reproductive or flowering phase of plant and flower development.
Only 1 of the 25Lb bags left at this price
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