Our top pick for a cannabis nutrient line schedule is the General Hydroponics FloraSeries feed chart, specifically the drain-to-waste version. It wins on three points: the manufacturer publishes stage-by-stage charts for soil, coco, and water, the three-part base lets you shift ratios instead of buying a new bottle for each phase, and the dose units scale to any reservoir size. We judged every line on five criteria: clarity of the published schedule, stage coverage from clone to flush, flexibility across grow media, cost per gallon of mixed solution, and how much pH and EC monitoring the schedule assumes.

cannabis nutrients schedule for beginners

Top pick: General Hydroponics FloraSeries

FloraMicro, FloraGro, and FloraBloom form a three-part base. The published chart splits the run into early veg, late veg, transition, early bloom, late bloom, and flush. Ratios move from Gro-heavy to Bloom-heavy, and the Micro bottle carries most of the calcium and micronutrients. Because the chart lists both milliliters per gallon and EC targets, you can run it in deep water culture, coco, or potting soil.

cannabis nutrients schedule autoflower

Pros

  • Published schedules for multiple media, so week one is not a guess.
  • Adjustable ratios let you respond to a nitrogen-hungry sativa or a phosphorus-hungry indica without changing brands.
  • Bottles are widely stocked, which helps if you run out mid-flower.
  • EC and PPM targets sit next to the milliliter doses.

Cons

  • Three bottles to measure and mix in the correct order.
  • Salt buildup in soil if you skip the flush week.
  • You still need a pH and EC meter to use the chart well.

Best for: coco and hydro growers who want one line that covers every stage and who will track pH and EC weekly.

cannabis feeding schedule chart

Advanced Nutrients pH Perfect Sensi Grow and Bloom

The two-part base is built around a buffering claim that the company markets as reducing pH adjustment. In practice, many soil and coco growers treat it as a simple two-bottle schedule with a shorter shopping list than a three-part line.

Cannabis Nutrients Schedule for Beginners

Pros

  • Two base bottles instead of three, which speeds up mixing.
  • The schedule is written for hand-watered soil and coco, not only recirculating systems.
  • Feed charts cover veg, bloom, and a flush phase.

Cons

  • Typically priced above dry salt alternatives.
  • The brand pushes a long additive list, and each extra bottle adds cost and mixing steps.
  • Buffering can mask drifting pH, so you still want a meter.

Best for: soil or coco growers who want fewer pH swings and do not mind paying for convenience.

Fox Farm Soil Trio

Big Bloom, Grow Big, and Tiger Bloom make up the trio. The chart is written for potting soil and hand watering, with separate feeding blocks for the first four weeks of flower and the final weeks before harvest.

Pros

  • Sold at many garden centers, so refills are easy.
  • Forgiving for small soil gardens and first-time growers.
  • Clear week-by-week doses in teaspoons per gallon.

Cons

  • Salt-based, so you need a flush at the end.
  • Tiger Bloom is acidic and can pull pH down in small pots.
  • Not designed for deep water culture or high-frequency fertigation.

Best for: small tents and outdoor pots in potting soil, especially when you water by hand.

Jack's 3-2-1 (dry salts)

The 3-2-1 schedule combines Jack's 5-12-26, calcium nitrate, and Epsom salt in grams per gallon. It is a commercial-style approach that many coco growers adopt because the inputs are dry, shelf-stable, and easy to scale.

Pros

  • Typically the lowest cost per gallon of mixed solution among the four lines here.
  • No proprietary bloom booster required; you change the calcium nitrate and Epsom ratio instead.
  • Dry salts ship light and store for years.

Cons

  • You must buy and store three separate dry inputs.
  • Needs a scale accurate to a gram, plus a mixing order that keeps calcium and sulfate apart until diluted.
  • Less beginner guidance than a bottled line with a printed chart.

Best for: larger gardens, coco coir, and growers who want to control cost per gallon.

How to read any cannabis nutrient schedule before you buy

  1. Check the stage list. A usable schedule names weeks or growth stages, not just veg and bloom.
  2. Confirm the dose unit. Liquid lines use milliliters per gallon or per liter, dry lines use grams. Convert before you mix.
  3. Look for EC or PPM targets. Without them, you cannot tell whether full strength is safe for seedlings.
  4. Find the mix order. Calcium and sulfate products can lock out if combined in the wrong sequence.
  5. Read the flush instruction. Most schedules cut base nutrients in the final week or two.

Habits that make any schedule work

Start at half the listed dose for the first week and raise it only if leaf tips stay green. Keep a log of pH in, pH out, EC in, and EC out. If runoff EC climbs above the input number, the plant is not drinking the salts you are feeding, so a plain water irrigation or a lower dose is the fix. Match the schedule to your medium first, then adjust for strain and light intensity. A feed chart is a starting point, not a contract.