Build Your Program
Your garden. Your formula. Your results.
Every GardenIQ program starts the same way — pick your plant, pick your booster, build your formula. Professional results, zero guesswork.
Get $10 off + free shipping when you add a boosterThe Complete Program
Feed the roots. Grow the plant.
Save $10 with a Pint or Quart booster![Houseplant & Root Growth Fertilizer – RhizoCarbon [2-0-5] — 32oz / Quart](http://gardeniq.com/cdn/shop/files/RhizoCarbon_Quart.png?v=1776884693&width=280)
![Houseplant & Root Growth Fertilizer – RhizoCarbon [2-0-5] — 16oz / Pint](http://gardeniq.com/cdn/shop/files/RhizoCarbon_Pint.png?v=1776884708&width=280)
Hero Formula
RhizoCarbon
NPK 2-0-5
Soluble carbon, humic and fulvic acids that supercharge root development and nutrient uptake. The foundation of every houseplant program.
Most first-time buyers start with a Quart — it pairs perfectly with a Pint booster all season.
Booster Formula
Feed the soil.
Doonbeg
NPK 3-0-2
North Atlantic Sea Kelp + Black Strap Molasses. Feeds beneficial soil microbes, supports slow-release nutrition, and fuels steady above-ground growth. For gardeners who think long-term.
From $30 — Pint
Booster Formula
Fill the gaps.
Octane Boost
NPK 4-0-2
7 chelated micronutrients — boron, copper, iron, manganese, molybdenum, sulfur, zinc. Powered by Nutrx™ for immediate plant availability. Faster, more visible results.
From $30 — Pint
Booster Formula
Doonbeg
NPK 3-0-2
North Atlantic Sea Kelp + Black Strap Molasses. Feeds beneficial soil microbes and fuels steady above-ground growth. For gardeners who think long-term.
Booster Formula
Octane Boost
NPK 4-0-2
7 chelated micronutrients. Powered by Nutrx™ for immediate plant availability. Faster, more visible results.
Both work beautifully indoors. Pick the one that matches how you think about plant care.
Choose Your Booster Size
At a 2:1 ratio, a Pint pairs perfectly with a Quart hero — one set lasts the season.
Your Program Price
$65
Separately: $75
You save $10 and get free shipping — bundle discount applied at checkout
Feeds your entire collection all season from one bottle.
$10 off applied automatically · Free shipping when you bundle
The Complete Program
The complete system for a bigger harvest.
Save $10 with a Pint or Quart booster![Vegetable Garden Fertilizer – High Yield [2-0-4] — 32oz / Quart](http://gardeniq.com/cdn/shop/files/High_Yield_Quart.png?v=1776884528&width=280)
![Vegetable Garden Fertilizer – High Yield [2-0-4] — 16oz / Pint](http://gardeniq.com/cdn/shop/files/High_Yield_Pint.png?v=1776884564&width=280)
![Vegetable Garden Fertilizer – High Yield [2-0-4] — 64oz / Half-Gallon](http://gardeniq.com/cdn/shop/files/High_Yield_Half_Gallon.png?v=1776906585&width=280)
Hero Formula
High Yield
NPK 2-0-4
Fish emulsion-based formula optimized for heavy-feeding vegetable crops. Promotes vigorous growth, strong root systems, and high-density fruit and vegetable production.
Most first-time buyers start with a Quart. Serious growers go Half Gallon — pairs perfectly with a Quart booster all season at 2:1.
Booster Formula
Feed the soil.
Doonbeg
NPK 3-0-2
North Atlantic Sea Kelp + Black Strap Molasses. Feeds beneficial soil microbes, supports slow-release nutrition, and fuels steady above-ground growth. For gardeners who think long-term.
From $30 — Pint
Booster Formula
Fill the gaps.
Octane Boost
NPK 4-0-2
7 chelated micronutrients. Powered by Nutrx™ for immediate plant availability. Faster, more visible results. For gardeners who want to see it working.
From $30 — Pint
Booster Formula
Power the bloom & fruit.
PhosFuel
NPK 5-9-13
High-phosphorus formula for fruiting stages. Apply at transplant, early flowering, or fruiting onset — not season-long. Use when your plants are working hardest.
From $30 — Pint
Booster Formula
Doonbeg
NPK 3-0-2
North Atlantic Sea Kelp + Black Strap Molasses. Feeds beneficial soil microbes and fuels steady above-ground growth.
Booster Formula
Octane Boost
NPK 4-0-2
7 chelated micronutrients. Powered by Nutrx™. Faster, more visible results.
Booster Formula
PhosFuel
NPK 5-9-13
High-phosphorus booster for fruiting stages. Apply at transplant, early flowering, or fruiting onset. Not for season-long use.
Doonbeg and Octane Boost work all season long. PhosFuel is a specialist — reach for it at transplant, early flowering, or fruiting onset only.
Choose Your Booster Size
At a 2:1 ratio, a Pint pairs perfectly with a Quart hero — one set lasts the season.
Your Program Price
$65
Separately: $75
You save $10 and get free shipping — bundle discount applied at checkout
One bottle. One garden bed. One whole season.
$10 off applied automatically · Free shipping when you bundle
The Complete Program
Deep green. All season.
Save $10 with a Pint or Quart booster![Lawn Fertilizer with Iron – Dark Venom [3-0-5 + 1.5% Iron] — 32oz / Quart Spray Bottle](http://gardeniq.com/cdn/shop/files/Dark_Venom_Spray_Quart.png?v=1776884345&width=280)
![Lawn Fertilizer with Iron – Dark Venom [3-0-5 + 1.5% Iron] — 32oz / Quart](http://gardeniq.com/cdn/shop/files/Dark_Venom_Quart.png?v=1776884366&width=280)
![Lawn Fertilizer with Iron – Dark Venom [3-0-5 + 1.5% Iron] — 64oz / Half-Gallon](http://gardeniq.com/cdn/shop/files/Dark_Venom_Half_Gallon.png?v=1776907099&width=280)
Hero Formula
Dark Venom
NPK 3-0-5 + 1.5% Iron
High-iron turf formula field-tested in professional turf management. The same science behind golf course greens, engineered for your yard. Greener in days.
First time? Start with the Spray Quart — no extra equipment needed. Already have a sprayer? Go Refill.
Booster Formula
Feed the soil.
Doonbeg
NPK 3-0-2
North Atlantic Sea Kelp + Black Strap Molasses. Feeds the microbial activity under your turf, supports deep root growth, and keeps your lawn strong all season long.
From $30 — Pint
Booster Formula
Fill the gaps.
Octane Boost
NPK 4-0-2
7 chelated micronutrients for turf. Addresses the hidden deficiencies that keep lawns from reaching their color and density potential. Fast, visible results.
From $30 — Pint
Booster Formula
Doonbeg
NPK 3-0-2
North Atlantic Sea Kelp + Black Strap Molasses. Feeds turf microbial activity and supports deep root growth all season.
Booster Formula
Octane Boost
NPK 4-0-2
7 chelated micronutrients for turf. Addresses hidden deficiencies. Fast, visible results.
Both work on turf. Pick the one that matches what your lawn needs most right now.
Choose Your Booster Size
At a 2:1 ratio, a Pint pairs perfectly with a Quart hero — one set lasts the season.
Your Program Price
$70
Separately: $80
You save $10 and get free shipping — bundle discount applied at checkout
A whole season of results for less than a lawn service visit.
$10 off applied automatically · Free shipping when you bundle
The Complete Program
More color. Bigger blooms. All season long.
Save $10 with a Pint or Quart booster![Flower Garden Fertilizer – BlossoMax [7-0-2] — 32oz / Quart Spray Bottle](http://gardeniq.com/cdn/shop/files/BlossoMax_Spray_Quart.png?v=1777488337&width=280)
![Flower Garden Fertilizer – BlossoMax [7-0-2] — 32oz / Quart](http://gardeniq.com/cdn/shop/files/BlossoMax_Quart.png?v=1777488369&width=280)
![Flower Garden Fertilizer – BlossoMax [7-0-2] — 64oz / Half-Gallon](http://gardeniq.com/cdn/shop/files/BlossoMax_Half_Gallon.png?v=1777488407&width=280)
Hero Formula
BlossoMax
NPK 7-0-2
A bloom-focused formula designed to support continuous flowering and vibrant color through the full growing season. More blooms, richer color — from first bud to first frost.
First time? Start with the Spray Quart — no extra equipment needed. Already have a sprayer? Go Refill.
Booster Formula
Feed the soil.
Doonbeg
NPK 3-0-2
North Atlantic Sea Kelp + Black Strap Molasses. Builds the soil biology that supports continuous blooming. Slower, deeper, foundational results for gardeners who think beyond the season.
From $30 — Pint
Booster Formula
Fill the gaps.
Octane Boost
NPK 4-0-2
7 chelated micronutrients that address color fade, slow budding, and poor bloom density. Powered by Nutrx™. Richer color, faster.
From $30 — Pint
Booster Formula
Power the bloom.
PhosFuel
NPK 5-9-13
High-phosphorus formula for peak bloom moments. Apply at transplant, bud set, or the onset of flowering — not season-long. Use it when your flowers are working hardest.
From $30 — Pint
Booster Formula
Doonbeg
NPK 3-0-2
North Atlantic Sea Kelp + Black Strap Molasses. Builds soil biology for continuous blooming. Deep, foundational results.
Booster Formula
Octane Boost
NPK 4-0-2
7 chelated micronutrients. Addresses color fade and slow budding. Richer color, faster results.
Booster Formula
PhosFuel
NPK 5-9-13
High-phosphorus booster for peak bloom moments. Apply at transplant, bud set, or onset of flowering. Not for season-long use.
Doonbeg and Octane Boost work all season long. PhosFuel is a specialist — reach for it at transplant, bud set, or peak bloom onset only.
Choose Your Booster Size
At a 2:1 ratio, a Pint pairs perfectly with a Quart hero — one set lasts the season.
Your Program Price
$70
Separately: $80
You save $10 and get free shipping — bundle discount applied at checkout
More color and bigger blooms — all season, from one program.
$10 off applied automatically · Free shipping when you bundle
20% off your first order
Professional-grade liquid fertilizer powered by Nutrx™ technology. Join and get 20% off your first order — applied instantly.
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