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House & Garden feeding schedule and calculator

House & Garden's official 8-week feed chart, scaled to the water you're mixing. Use equal amounts of A and B. The base amounts shown are for each part.

Checked Oct 20, 2026 Source: House & Garden 8 Week Feed Chart (per US gallon of RO water)
How to read a feeding chart Schematic of a 12 week feed chart. Each week shows the label dose as a dashed outline, a solid start at 50 percent, and a gold work-up band to 75 percent. Veg weeks 1 to 4, flower 5 to 11, flush week 12. FIG. 01 · READING A FEED CHART SCHEMATIC, NOT A BRAND CHART Label dose, and where to start LABEL 100% WORK UP 75% START 50% 01 02 03 04 05 06 07 08 09 10 11 H₂O 12 VEG · WK 1 TO 4 FLOWER · WK 5 TO 11 FLUSH
01

Mix calculator

Pick a week and how much you're mixing

Many growers here feed below the chart. Start low and raise it only if the plants want more.
Product Amount Buy
Turn on JavaScript to use the calculator, or read the full schedule below.
02

The full schedule

mL per gallon of water, at full strength

Coco (Cocos A and B)

Stage Cocos A Cocos B Drip Clean Roots Excelurator Amino Treatment Multi Zen Algen Extract (optional) Nitrogen Boost (optional) Bud-XL Top Booster Top Shooter
Cuttings and seedlings 2.5 2.5 0.4 1
Veg week 1 5.5 5.5 0.4 1 0.8 3.8 1 0.5–1
Veg week 2 6 6 0.4 1 1.5 3.8 1 1
Flower week 1 6.5 6.5 0.4 1 2.5 3.8 1 1–2
Flower week 2 7.5 7.5 0.4 1 2.5 3.8 1 1–2
Flower week 3 8.5 8.5 0.4 1 2.5 3.8 1 1–2
Flower week 4 9.5 9.5 0.4 3.8
Flower week 5 9 9 0.4 3.8 4–5.5
Flower week 6 7.5 7.5 0.4 3.8 2.8
Flower week 7 7.5 7.5 0.4 3.8 5.7
Flower week 8 7.5 7.5 0.4 3.8 5.7
3 to 5 day flush

pH 5.8 to 6.3.

Soil (Soil A and B)

Stage Soil A Soil B Drip Clean Roots Excelurator Amino Treatment Multi Zen Algen Extract (optional) Nitrogen Boost (optional) Bud-XL Top Booster Top Shooter
Cuttings and seedlings 2.5 2.5 0.4 1
Veg week 1 8 8 0.4 1 0.8 3.8 1 0.5–1
Veg week 2 9.5 9.5 0.4 1 1.5 3.8 1 1
Flower week 1 11.5 11.5 0.4 1 2.5 3.8 1 1–2
Flower week 2 13.5 13.5 0.4 1 2.5 3.8 1 1–2
Flower week 3 15 15 0.4 1 2.5 3.8 1 1–2
Flower week 4 18 18 0.4 3.8
Flower week 5 17 17 0.4 3.8 4–5.5
Flower week 6 11.5 11.5 0.4 3.8 2.8
Flower week 7 11.5 11.5 0.4 3.8 5.7
Flower week 8 11.5 11.5 0.4 3.8 5.7
3 to 5 day flush

pH 5.8 to 6.3.

Hydro (Aqua Flakes A and B)

Stage Aqua Flakes A Aqua Flakes B Drip Clean Roots Excelurator Amino Treatment Multi Zen Algen Extract (optional) Nitrogen Boost (optional) Bud-XL Top Booster Top Shooter
Cuttings and seedlings 2.5 2.5 0.4 1
Veg week 1 5.5 5.5 0.4 1 0.8 3.8 1 0.5–1
Veg week 2 6 6 0.4 1 1.5 3.8 1 1
Flower week 1 6.5 6.5 0.4 1 2.5 3.8 1 1–2
Flower week 2 7.5 7.5 0.4 1 2.5 3.8 1 1–2
Flower week 3 8.5 8.5 0.4 1 2.5 3.8 1 1–2
Flower week 4 9.5 9.5 0.4 3.8
Flower week 5 9 9 0.4 3.8 4–5.5
Flower week 6 7.5 7.5 0.4 3.8 2.8
Flower week 7 7.5 7.5 0.4 3.8 5.7
Flower week 8 7.5 7.5 0.4 3.8 5.7
3 to 5 day flush

pH 5.7 to 5.9.

03

Notes from the chart

  • Amounts are mL per US gallon of RO water, from House & Garden's 8-week chart.
  • Cocos, Aqua Flakes and Hydro A and B share one row on the chart. Soil A and B (or Bio-1) has its own, stronger row.
  • In flower weeks 6 to 8, the chart says to use either Top Shooter or Shooting Powder, not both. Top Shooter is shown here.
  • Algen Extract and Nitrogen Boost are optional on the chart. Magic Green is a foliar spray (10 to 20 mL per gallon in veg week 2 and flower week 2) and isn't included in the reservoir amounts.
  • Finish with a 3 to 5 day flush.

Source: House & Garden 8 Week Feed Chart (per US gallon of RO water)

04

What growers here actually run

From the THCFarmer archive

  • Runs House & Garden Soil A and B in ProMix HP, with Roots Excelurator until week 4 and half strength on seedlings.

    thunderfudge Read the post →

  • Mixing a reservoir for about 1.8 EC: cal-mag and silica bring the water to about 220 PPM, and H&G A and B at 5.5 mL per gallon gets it to about 800.

    WyattHerbz Read the post →

  • Soaks starter cubes in House & Garden base alone at 400 PPM before going into beds.

    midwestdensies Read the post →
05

Threads worth reading

Discussions this page draws on

06

Go deeper

Learn guides on THCFarmer

07

Common questions

Is the House & Garden base amount for each part?

Yes. Always use equal amounts of A and B. The amount shown is for each part.

Do I need every House & Garden additive?

No. The A and B base carries the nutrition. Use the switch in the calculator to see the base alone. Roots Excelurator and Bud-XL are the additives members mention most.

Top Shooter or Shooting Powder?

The chart says to use one or the other in flower weeks 6 to 8, not both. Shooting Powder is 2.6 to 5.2 grams per gallon. Top Shooter is the liquid shown here.

Still not sure? Ask the growers.

Post your nutrients, how much you're feeding, your medium and a photo. Members who've run House & Garden will tell you what they'd change.

08

Other feeding schedules

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    pH Perfect Sensi Grow and Bloom (A and B)

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  • Advanced Nutrients AN Grow Micro Bloom

    pH Perfect Grow, Micro, Bloom (3-part)

  • Advanced Nutrients AN Sensi Coco

    pH Perfect Sensi Coco Grow and Bloom (A and B)

  • Advanced Nutrients AN Iguana Juice (OG Organics)

    OG Organics Iguana Juice Grow and Bloom (organic)

  • Advanced Nutrients AN Jungle Juice

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  • Athena Athena Pro

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  • Athena Athena Blended

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  • Botanicare Botanicare Pure Blend Pro

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  • CANNA CANNA Coco

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  • CANNA CANNA Terra

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  • Emerald Harvest Emerald Harvest

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  • FloraFlex FloraFlex

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  • FoxFarm Fox Farm trio

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  • Gaia Green Gaia Green

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  • General Hydroponics GH Flora Series

    Flora Series (FloraMicro, FloraGro, FloraBloom)

  • General Hydroponics GH FloraPro Liquids

    FloraPro Liquids (Grow A and B, Bloom A and B, PK+, FUL+, TrueFlo)

  • General Hydroponics GH FloraPro Powders

    FloraPro Powders (Ca + Micros, Grow, Bloom, Late Bloom), Standard and High EC

  • General Hydroponics GH FloraNova

    FloraNova Grow and Bloom (1-part)

  • General Hydroponics GH Maxi Series

    Maxi Series (MaxiGro and MaxiBloom, dry)

  • General Hydroponics GH BioThrive

    General Organics BioThrive Grow and Bloom (organic-based)

  • Greenleaf Nutrients Mega Crop

    Mega Crop 1-Part and Mega Crop 2-Part (A and B)

  • Heavy 16 Heavy 16

    Heavy 16 Veg A and B, Bud A and B, with Roots, Prime, Fire and Finish

  • Jack's Nutrients Jack's 321

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  • Masterblend Masterblend

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  • All brands Every feeding schedule →
09

More grow tools

These numbers are starting points, not rules. Strains, water, medium and light all change what a plant wants, so watch your plants and adjust.

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