Best food plot fertilizer: how to pick the right one

There's no single best food plot fertilizer. A soil test tells you the N-P-K and lime you actually need. Here's how to read one and buy right.

PlotSeason Editorial Team
19 min read
In This Article

Last updated 2026-07-25

Hand pouring granular food plot fertilizer into a spreader at field edge
Hand pouring granular food plot fertilizer into a spreader at field edge

TL;DR

The best food plot fertilizer is whatever your soil test says you need, not a bag with a deer on it. Most plots need lime first, then a blend heavy on phosphorus and potassium (like 6-24-24 or 0-20-20) for legumes, or nitrogen-heavy blends (like 34-0-0 or urea) for grasses and brassicas.

what is a food plot, and why does fertilizer matter so much

A food plot is a planted area, usually somewhere between a quarter acre and several acres, seeded with forage crops to feed deer and other wildlife and to give hunters a place to pattern and hunt animals. Common plantings include clover, brassicas (turnips, radishes), cereal grains (oats, wheat, rye), soybeans, and chicory. Food plots are legal on private and leased land in every state, but most states regulate baiting and supplemental feeding differently from planted forage. Check your state wildlife agency's baiting and feeding regulations before you assume a plot is treated the same as a bait pile; some states draw a hard line between "planted crops left standing" and "hauled-in feed," and the rules change by state and sometimes by county [1]. Fertilizer matters because most food plot ground isn't farmland. It's often reclaimed pasture, cutover timber, or a logging landing with subsoil sitting on top. Native soil pH in a lot of whitetail country runs acidic, in the 4.5 to 5.5 range, and most food plot forages want something closer to 6.0 to 7.0 [2]. If your pH is off, fertilizer you spread is largely wasted because the plants can't take up the nutrients. That's the single biggest reason plots fail to produce, more than seed choice or rain. The honest answer to "what's the best food plot fertilizer" is: there isn't one product that fits every field. It depends on what you're planting, what your soil already has, and what your soil test says is missing. Buying a bag because it has a buck on the label is how a lot of money gets wasted every spring.

why a soil test beats any fertilizer recommendation on the internet

A soil test from your county extension office or a private ag lab costs somewhere between $10 and $25 in most states, and it will tell you your exact pH, phosphorus (P), potassium (K), and often organic matter and micronutrients. That report is the actual authority on what your ground needs. Nobody writing online, including this article, can tell you the P and K levels in your specific field. Run the test 60 to 90 days before you plant if you can, since lime takes months to fully react and change soil pH. If your test comes back needing 2 tons of lime per acre, and you spread it the week before planting, you'll get some benefit this year but the full effect shows up next season. Many extension services, including Penn State and Mississippi State, recommend testing every 2 to 3 years for established plots and before breaking new ground every time [3]. Read the report literally. It will usually say something like "apply 300 lbs/acre of 19-19-19" or give you pounds of actual N, P2O5, and K2O needed per acre. Your local farm store or ag co-op can convert that into whatever bagged blend they stock. If you're not sure how to read the numbers, ask the extension agent who ran the test, most will walk you through it for free over the phone.

what do the numbers on a fertilizer bag actually mean

Every fertilizer bag has three numbers, always in the same order: nitrogen (N), phosphate (P2O5), and potash (K2O), listed as percentages by weight. A 50 lb bag of 10-20-20 has 5 lbs of nitrogen, 10 lbs of phosphate, and 10 lbs of potash, with the rest being filler [4]. Nitrogen drives leaf growth and green color. It's what makes brassicas and cereal grains explode with tonnage, but it's mostly wasted on legumes like clover and soybeans because those plants fix their own nitrogen from the air through root bacteria (rhizobia), provided the seed was inoculated. Phosphorus builds root systems and helps plants survive stress and cold. Potassium helps with drought tolerance, disease resistance, and overall plant vigor. For clover and other legumes, you generally want a low-nitrogen, high-P and K blend, something like 0-20-20 or 6-24-24. For brassicas, oats, wheat, and other grasses, you want nitrogen up front and often a second nitrogen application (topdress) 30 to 45 days after planting to push tonnage. This is one of the few blanket rules that holds across most soil types and most extension guidance.

Food plot fertilizer basics at a glance Key thresholds from land-grant extension guidance 6.5 Ideal soil pH for most forages 20 Typical soil test cost ($) 3 Retest interval (years) 90 Days before frost to plant brassicas Source: Penn State Extension and Missouri Extension, soil fertility publications

do deer like clover, and what fertilizer does clover need

Yes. Clover is consistently one of the most preferred food plot forages for whitetail deer, and it's a perennial, meaning a good stand can produce for 3 to 5 years with the right maintenance [5]. White clovers like Ladino and red clover are the most common plantings. Clover fixes nitrogen from the air, so nitrogen fertilizer is largely wasted on it and can even encourage weed competition instead of clover growth. What clover actually needs is phosphorus and potassium, and a pH close to 6.0 to 6.5. If your soil test shows low P and K, a blend like 0-20-20 or 6-24-24 applied at establishment, then a maintenance application of P and K each fall, will keep a stand producing for years. Mow clover 2 to 4 times during the growing season to knock back weeds and keep the plant in a vegetative, high-protein state. A stand that's allowed to go to seed and get woody loses a lot of its attractiveness and tonnage. For more on species selection generally, see food plot whitetail.

do deer eat sorghum, and does it need different fertilizer

Deer will eat sorghum, particularly the grain heads once they mature, and standing sorghum is also used a lot as cover and as a wind or snow break for plots planted alongside it, rather than as a primary forage. It's more common in the South and Midwest as part of a mixed planting than as a stand-alone deer food plot crop, and deer preference for it is generally lower than for soybeans, clover, or brassicas when those options are available [3]. Sorghum is a grass, so it responds like corn or wheat: nitrogen is the main driver of yield. A starter application at planting (something in the 30-40 lb N per acre range) followed by a sidedress of another 40-60 lbs N per acre once plants are 12-18 inches tall is a typical row-crop approach, though exact rates depend on your soil test and expected yield [6]. If you're mixing sorghum into a diverse plot rather than growing it as a monoculture, follow the fertilizer plan for whatever grain or grass is the dominant species in the mix.

when to plant food plots for deer, by region

Northern (zone 3-5)mid-July to mid-AugustApril-May or mid-Aug
Transition (zone 5-6)late July to late AugustApril-May or late Aug
Southern (zone 7-8)late August to mid-SeptSept-Oct or March-AprilThese are general windows based on typical first-frost dates by USDA plant hardiness zone, not a substitute for your local extension's specific calendar [5]. For a full breakdown by species, see deer food plots.

Timing depends more on your last frost date and your target hunting season than on a fixed calendar date. Broadly, food plot planting falls into two windows: spring/summer plots (soybeans, corn, cowpeas, some clover establishment) and late summer/fall plots (brassicas, cereal grains, clover overseed). For fall plots meant to be ready by hunting season, most of the whitetail range plants brassicas and cereal grains between mid-July and early September, with northern states planting earlier (mid-July to mid-August) and southern states planting later (late August to mid-September). Clover is more flexible and can go in spring or late summer, but late-summer plantings need enough time before frost to establish a root system, generally 60 days of decent growing weather. Here's a general framework, but always check your state extension's planting date guide for your specific zone, since a hard frost date in northern Minnesota is nothing like one in central Alabama. | Region | Brassicas / cereal grains | Clover establishment |

when to plant turnips for deer

Turnips are a brassica and are planted in the same late-summer window as other brassicas, generally 80 to 100 days before your area's first hard frost. In most of the whitetail range that lands somewhere between mid-July and early September. Turnips need that runway because deer usually don't hit the bulbs hard until after a few frosts convert starches to sugars, making them sweeter and more palatable. If you plant too late, you get leafy growth but small or nonexistent bulbs, and the plot won't hold up through late season. Fertilizer-wise, turnips want nitrogen the same way other brassicas do. A soil test-guided rate is best, but a common approach is 40-60 lbs of actual nitrogen per acre at planting, split with a topdress application 3-4 weeks later if growth looks pale or slow. Phosphorus and potassium should follow whatever your soil test shows, since brassica ground that's been in row crops or clover before often already has decent P and K reserves.

when to plant oats for deer

Oats are typically planted in late summer to early fall, the same general window as brassicas, roughly 60-90 days before your first expected frost, so most of the country is planting oats sometime between mid-August and mid-September [5]. Oats can also be planted in early spring for a spring/summer forage window, but fall planting is far more common for hunting-season food plots. Oats are attractive to deer especially in early fall when they're young and tender, and again in spring if they survive winter in southern and transition zone climates. In far northern climates, oats usually winterkill, while wheat, rye, and triticale are more winter-hardy and preferred if you want green forage into late winter. Oats respond to nitrogen like any cereal grain. A starter blend with nitrogen, phosphorus, and potash at planting, plus a nitrogen topdress once the plants are established, gives the most tonnage. If oats are part of a mix with clover, back off the nitrogen rate since too much nitrogen pushes weed and grass competition against a young clover stand.

what are deer's favorite foods, and does that change your fertilizer plan

Deer preference studies and decades of extension and wildlife agency observation consistently rank a handful of foods near the top: soybeans and other legumes, acorns (especially white oak acorns, which are lower in tannins than red oak), clover, and in agricultural areas, standing corn and alfalfa [7]. Preference shifts by season and by what's available; a deer that ignores clover in September because acorns are dropping may hit that same clover plot hard in February. This matters for fertilizer because preference doesn't override plant health. A high-preference species planted on poor, unlimed soil will still underperform a lower-preference species planted on well-limed, properly fertilized ground. Soybeans need a good pH (6.0-6.8) and adequate P and K just like anything else, and a soybean plot on 5.0 pH soil will get hammered by weeds and grow half the tonnage of the same seed on properly limed ground. If you're picking species based on preference, pair that decision with a soil test so the plant can actually reach its potential. For species comparisons, see deer food plot seed and domain food plot seed.

do deer like honey, and is it worth using in a plot

There's no real research or extension guidance suggesting deer specifically seek out honey, and it's not a practical food plot additive since honey isn't a plant deer graze in a field. This question usually comes up because of scent and mineral attractant products marketed with honey or sweetener as an ingredient, sometimes used at mock scrapes or licking branches rather than in the plot itself. If you're trying to boost attraction to a plot, the better investment is a mineral or salt supplement placed near, but not inside, your planted area, since heavy foot traffic on bare mineral sites can tear up planted forage. Check your state wildlife agency's rules first, since several states regulate or restrict mineral sites and supplemental feeding the same way they regulate bait, especially in areas managing chronic wasting disease . Some states prohibit mineral or feed use entirely in CWD management zones.

how much fertilizer should you actually buy, and what's a waste of money

Buy based on acreage and your soil test rate, not a flat "one bag per plot" guess. Fertilizer is usually sold by the ton or in 50 lb bags, and application rates are given in pounds of product per acre. A soil test that calls for 300 lbs/acre of a triple-19 blend on a half-acre plot means you need 150 lbs total, not a full pallet. What's a waste of money: buying a fertilizer specifically marketed as a "food plot blend" at 2-3x the price of the same N-P-K ratio sold as generic agricultural fertilizer at a farm co-op. The plant doesn't know the difference between 10-10-10 from a bag with a whitetail on it and 10-10-10 from a bag of plain ag fertilizer. Pay for the analysis, not the label art. Also often wasted: heavy nitrogen on a pure clover or alfalfa stand, fertilizing without liming first (fertilizer efficiency drops sharply below pH 6.0 on most soils, per land-grant extension guidance) [2], and buying a starter fertilizer blend when your soil test says you're already high in P and K and only need nitrogen. In that case a straight nitrogen source like urea (46-0-0) or ammonium sulfate is cheaper per pound of actual nitrogen than a balanced blend.

a simple fertilizer decision framework by plot type

Clover / alfalfa (legumes)Low N, high P and K0-20-20 or 6-24-24
Brassicas (turnips, radish)High N, moderate P/K34-0-0 topdress or 19-19-19 starter
Cereal grains (oats, wheat, rye)High N, moderate P/K46-0-0 (urea) topdress
SoybeansLow N (inoculated seed), high P/K0-20-20 or similar
CornVery high N, high P/KStarter blend + heavy N sidedressOne genuinely useful shortcut if you don't want to build this out species by species and field by field: a service that takes your soil test results and turns them into a specific seed and fertilizer plan for your acreage saves the guesswork. PlotSeason's $99 one-time Custom Food Plot Plan does exactly that, you send in your soil test and plot details and get back a plan matched to your ground, though your soil test lab remains the authority on the actual lime and fertilizer numbers, the plan is general planting guidance built around that data, not site-specific agronomy advice.

Here's a rough starting framework based on typical land-grant extension recommendations. Your soil test overrides all of this; these are default starting points, not a substitute for a report specific to your dirt. | Plot type | Typical need | Common blend |

putting it together: your fertilizer buying checklist

Pull a soil test first, every time, for every new plot and at least every 2-3 years on established ground. Don't skip this step to save $15, since it's the cheapest thing you'll buy all season and it changes every other decision that follows. Lime if the test says to, and do it as early as you can before planting, ideally 60-90 days out. Match your fertilizer blend to your species: low N and high P/K for legumes, high N for grasses and brassicas. Buy generic agricultural fertilizer over branded food plot fertilizer when the N-P-K numbers match, and save the difference for more lime or more seed. Check your state wildlife agency's baiting, feeding, and mineral site regulations before assuming your plot or supplement setup is legal, since rules vary widely and some states treat CWD management zones very differently [1] . For related planning, see food plot seed and deer for food.

Frequently asked questions

What is the best all-around food plot fertilizer?

There isn't one. The right fertilizer depends on your soil test and what you're planting. Legumes like clover want low nitrogen and high phosphorus/potassium (like 0-20-20). Brassicas and cereal grains want nitrogen-heavy blends (like 34-0-0 or urea). Buy based on your soil test results, not a bag labeled for food plots.

Do deer eat sorghum?

Yes, deer eat sorghum, especially the grain heads once mature, but it's usually planted as a mixed-plot component or wind/snow screen rather than a primary forage. Preference is generally lower than soybeans, clover, or brassicas when those are available nearby.

Do deer like clover?

Yes, clover is one of the most consistently preferred food plot forages for whitetail deer and is a perennial that can produce for 3-5 years with proper mowing and fertilization. White (Ladino) and red clover are the most common types planted.

When should you plant food plots for deer?

Fall plots (brassicas, cereal grains) generally go in 60-100 days before your area's first frost, roughly mid-July to mid-September depending on latitude. Clover can be planted spring or late summer. Always check your local extension office's frost date and planting calendar for your zone.

When should you plant turnips for deer?

Plant turnips 80-100 days before your area's first hard frost, typically mid-July through early September across most of the whitetail range. Deer usually don't hit the bulbs hard until after a few frosts sweeten the starches, so late planting produces leaves but weak bulb development.

When should you plant oats for deer?

Oats are usually planted in late summer, roughly 60-90 days before first frost, so most regions plant between mid-August and mid-September. In far northern climates oats typically winterkill, while wheat, rye, or triticale hold up better through winter if you want late-season green forage.

What is a food plot?

A food plot is a planted area, typically a quarter acre to several acres, seeded with forage like clover, brassicas, or grains to feed deer and other wildlife and give hunters a place to pattern and hunt. Food plots are legal on private and leased land nationwide, but baiting and feeding rules still vary by state.

What are deer's favorite foods?

Soybeans and other legumes, white oak acorns, clover, and standing corn or alfalfa consistently rank among deer's most preferred foods, though preference shifts seasonally based on what's available. A high-preference species still needs proper soil pH and fertility to reach full tonnage and attraction.

Do deer like honey?

There's no solid research showing deer specifically seek out honey, and it isn't a practical food plot ingredient since it's not a grazed plant. Honey shows up mostly in scent or mineral attractant marketing, typically used at mock scrapes rather than mixed into planted forage.

How do you read a fertilizer bag's N-P-K numbers?

The three numbers on any bag are percentages by weight of nitrogen (N), phosphate (P2O5), and potash (K2O), always in that order. A 50 lb bag of 10-20-20 contains 5 lbs nitrogen, 10 lbs phosphate, and 10 lbs potash. Your soil test tells you which ratio your specific field needs.

Do you need nitrogen fertilizer for clover food plots?

Generally no, since clover and other legumes fix their own nitrogen from the air through root bacteria when the seed is properly inoculated. Extra nitrogen mostly feeds weed competition instead. Clover responds better to phosphorus, potassium, and correct soil pH, all confirmed by a soil test.

How often should you soil test a food plot?

Test new ground before the first planting and re-test established plots every 2 to 3 years, per land-grant extension recommendations from schools like Penn State and Mississippi State. Testing more often on ground you're actively amending with lime or heavy fertilizer helps you track whether pH and nutrient levels are actually moving.

Sources

  1. Congressional Research Service / state wildlife agency baiting summaries (example: Pennsylvania Game Commission): States regulate baiting and supplemental feeding differently from planted food plots, and rules vary by state.
  2. University of Missouri Extension, Soil pH and Liming: Fertilizer efficiency drops sharply below pH 6.0 on most soils, and native soils in much of the whitetail range run acidic.
  3. University of Nebraska-Lincoln Extension, Understanding Fertilizer Labels: Fertilizer bag numbers represent percentage by weight of nitrogen, phosphate (P2O5), and potash (K2O) in that order.
  4. University of Tennessee Extension, Establishing Wildlife Food Plots: Clover is a preferred, high-value perennial food plot forage that can persist 3-5 years with maintenance.
  5. University of Nebraska-Lincoln Extension, Grain Sorghum Fertilization: Typical grain sorghum nitrogen programs include a starter rate at planting followed by a sidedress application.
  6. USDA Forest Service, White-tailed Deer Habitat and Food Habits: Acorns, particularly white oak, legumes like soybeans, and clover rank among preferred whitetail deer foods.
  7. Wisconsin DNR, Chronic Wasting Disease Baiting and Feeding Rules: Some states restrict mineral and feeding sites specifically in CWD management zones.

Disclaimer: PlotSeason is an independent publisher of food plot planning information. We are not agronomists or a soil lab, and plans are general guidance, not site-specific professional advice. Your soil test lab's recommendations are the authority on lime and fertilizer for your ground. Check your state's regulations on baiting, feeding, and planting where you hunt; rules vary and change. Results depend on weather, soil, and deer - no plan can promise deer activity or harvest.

PlotSeason Editorial Team

PlotSeason provides expert guidance and tools to help you succeed. Our content is reviewed for accuracy and kept up to date.

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