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10-10-10 for Plants

4.4 · 107 reviews

Give your plants balanced nutrition with our liquid 10-10-10 Fertilizer for Plants. The formula provides equal percentages of nitrogen, available phosphate, and soluble potash, plus iron and other micronutrients. Mix it with water to feed suitable garden or container plants when their growing conditions and nutrient needs call for a balanced fertilizer.

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When your plants may benefit from balanced feeding

  • When your garden soil test indicates that nitrogen, phosphorus, and potassium are all needed in a balanced feeding program
  • When your actively growing container plants need a measured complete-NPK top-up and their existing mix is depleted
  • When you're growing a range of suitable ornamentals and your feeding plan calls for a general-purpose liquid supplement
  • When your next growing cycle begins in a nutrient-limited bed and balanced feeding matches the soil recommendation

A 10-10-10 formula isn't automatically ideal for every plant or soil. If phosphorus is already high, choose nutrients based on testing instead.

Results you can see

Supports rich green growth for healthy, vibrant plants.

Supports rich green growth for healthy, vibrant plants.

Promotes steady leaf and stem development for thriving plants.

Promotes steady leaf and stem development for thriving plants.

Helps build healthy roots for better nutrient and water uptake.

Helps build healthy roots for better nutrient and water uptake.

Works for the whole garden

  • Vegetable Beds
  • Tomatoes
  • Peppers
  • Roses
  • Hydrangeas
  • Annual Flowers
  • Shrubs
  • Lawns

How to use

  1. Watering can

    1–2 oz per gallon of feedwater

    Spring & summer: every 1–2 weeks · Fall & winter: every 4–8 weeks

  2. Backpack / foliar sprayer

    1-2 oz per gallon of feedwater

    Apply every 1-2 weeks in spring and summer

  3. Hose end sprayer

    Set to 1-2 oz setting

    Apply every 1-2 weeks in spring and summer

What's inside
A 10-10-10 ratio — the classic balanced feed, at liquid-concentrate strength. Nitrogen at 10% splits evenly: 5% nitrate nitrogen, the form roots absorb directly for fast green-up with low burn risk, and 5% ammoniacal nitrogen, which soil holds onto and converts over days for sustained feeding between applications. Matching 10% phosphate drives root growth, flowering, and fruit set, and 10% potassium supports stem strength and water regulation — the even split is what makes one bottle workable across vegetables, ornamentals, and shrubs with different demands.

Beyond NPK: sea kelp (Ascophyllum nodosum) for natural growth compounds, plus 1% sulfur with iron, manganese, and copper. Iron and manganese are the two mixed beds run short of first — both sit at the center of chlorophyll production, so a shortage reads as yellowing leaves with green veins on new growth, often on your plants working hardest, like heavy-feeding vegetables mid-season.

Frequently asked questions

How often should I apply 10-10-10 fertilizer?

10-10-10 for Plants is built for routine feeding across a mixed garden, so the schedule follows the growing season. Mix 1 to 2 ounces per gallon of water and apply every 1–2 weeks in spring and summer, then ease back to every 4–8 weeks in fall and winter when growth slows. It goes on through a watering can, a backpack or foliar sprayer, or a hose-end sprayer on the 1 to 2 ounce setting. One ounce covers roughly 50 square feet, which makes it simple to scale a mix to your bed.

What plants can I use 10-10-10 on?

Nearly everything outdoors. 10-10-10 for Plants carries equal nitrogen, phosphorus and potassium, so one bottle covers vegetables, annuals, perennials, roses, shrubs, young trees and container plantings without a specialty formula for each. Nitrogen supports leaf growth, phosphorus supports roots and flowering, and potassium supports stem strength and water regulation. The exceptions are acid-loving plants such as blueberries, azaleas and rhododendrons, which do better on a formula built for them, and plants you’re deliberately pushing toward bloom, where a lower-nitrogen feed fits better.

Is liquid 10-10-10 better than granular?

They do the same job on different clocks. 10-10-10 for Plants is a liquid, so it’s available to roots the moment you water it in: half of its nitrogen is nitrate, which roots take up directly, and the ammoniacal half is held by the soil and converted over the following days. It also doubles as a foliar spray. Granules break down over weeks, mostly into the soil directly beneath them, and suit set-and-forget feeding. A liquid gives you faster correction and finer control; the trade is reapplying every 1–2 weeks in season.

Can I spray this on the leaves?

Yes. 10-10-10 for Plants goes on through a backpack or foliar sprayer at the same 1 to 2 ounces per gallon you’d use in a watering can. Leaves absorb nutrients directly, which makes a foliar pass useful for correcting visible yellowing while root feeding catches up. Spray in the morning or evening rather than in midday sun, wet the foliage without heavy runoff, and keep the spray off open blooms. Root feeding remains the main route; foliar is the supplement.

Will it burn my plants if I use too much?

10-10-10 for Plants is a liquid concentrate, and dilution is what matters here. Fertilizer burn happens when concentrated salts sit against the roots: too much product in too little water, or granules piled at the base of a plant. Mixed at 1 to 2 ounces per gallon and applied every 1–2 weeks in season, the nutrients arrive in solution at a strength the roots take up as they water. Start at 1 ounce for sensitive plants and containers. If you overshoot, water deeply with plain water; browning leaf edges are the early sign.

When will I see results?

Color usually moves first. Half the nitrogen in 10-10-10 for Plants is nitrate, which roots absorb directly, so green-up begins with the first application and deeper leaf color typically shows within 1–2 weeks, sooner with a foliar spray. The ammoniacal half converts in the soil over the following days and carries your plant between feedings. The structural changes, bushier growth, more flowering and better fruit set, build over 3–5 weeks of regular feeding because your plant has to grow the new tissue.

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10-10-10 for Plants 8oz $11.99