Mr. B's Plant Nutrients & FertilizerS

Transform your garden with our selection of simple, effective garden products. From our top-selling organic and hybrid fertilizers to our must-have additives and nutrient boosters, you'll find everything your plants need to thrive. Create a beautiful, abundant garden with ease.

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Mr.B's Green Trees ORGANIC GROWTH 7-4-4

This is the ideal top dress and/or soil amendment before planting to maximize plant volume and mass through your vegetative phase.

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Mr. B's Green Trees ORGANIC ALL PURPOSE 5-5-5

Our easy to use CDFA certified organic fertilizer line is designed to provide the primary, secondary and micronutrients your plants need in simple, all-in-one style formulations.

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Mr. B's Green Trees ORGANIC BLOOM 2-8-6

Stimulates robust, abundant flower development for the prize-winning harvests you dream about.

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Mr. B's Green Trees GROWTH BOOST 15-5-5

If explosive growth is your goal, this is the jet fuel you need to get there.

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Mr. B's Green Trees ALL PURPOSE BOOST 8-8-8

Our All Purpose Boost 8-8-8 sets the standard for versatility of use through all stages of plant growth.

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Mr. B's Green Trees BLOOM BOOST 2-10-10

A perfect balance of a high NPK for flower production, while staying below the threshold that puts mycorrhizal fungi into dormancy.

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Jumpstart your plants with Azospirillum!

Hard to say, easy to use! Our fully soluble, burn-free Azospirillum Super Concentrate will vastly increase rooting and vigor in your cuttings and transplants. A sprinkle is all you need to stimulate rapid rooting and vegetative growth from cutting to budding.

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USE OUR GARDEN SOIL CALCULATOR

Save time by calculating exactly how much material you'll need for your garden. For both in-ground and container gardening, calculate your soil and nutrient needs in one easy step!

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