Quick answer: Annual (Italian) ryegrass is a cool-season annual that makes high-protein, high-yield forage — cattle love it and it can test 15–18% crude protein when cut on time. The catch is drying: ryegrass has a waxy leaf and stays wet, so dry hay in a humid spring can take a week or more of tedding and wide swaths. That's why most operators who cut it seriously wrap it wet as baleage instead of fighting the weather. Seed 15–25 lb/acre, feed it nitrogen and moisture, cut before it heads, and either lay it out wide and ted daily — or bale it at 50–60% moisture and wrap it with net wrap and film.
Few forages split a hay crowd like annual ryegrass. It grows thick as a lawn, soaks up nitrogen, and puts up tonnage that makes cattle fat and happy. It also makes what one grower called "baler-choking windrows" that refuse to dry, and it's fooled more than a few people into baling a barn-heater. Get the timing and the drying right and it's some of the cheapest quality feed you can grow. Get it wrong and you've got mulch — or a fire in the field.
Here's how ryegrass actually behaves, straight from the people who put it up every year, plus where wrapping it wet solves the one problem everybody complains about.
Is annual ryegrass the same as Italian ryegrass or cereal rye?
This is the first thing to get straight, because the names get mixed up constantly and it changes how you manage the crop.
- Annual / Italian ryegrass (Lolium multiflorum) is a fine-leaved, cool-season grass grown for grazing and hay. "Annual" and "Italian" are often used interchangeably in the South, though true Italian types behave a little differently (more below).
- Cereal rye (Secale cereale) is a completely different plant — a small grain, taller and coarser, that you'd bale more like wheat. If you're after that crop, see our baling cereal rye for forage guide instead.
- Perennial ryegrass is a related pasture grass that persists for years; annual ryegrass generally winterkills in the North and is replanted.
The annual-versus-Italian distinction matters most for quality. As one seed-savvy grower explained, a true Italian type needs to overwinter before it will make a seedhead:
"A true Italian ryegrass should not head out during that growing season if spring planted. It is like winter wheat, it needs to vernalize over the winter before it will set seed... Many Italian ryegrasses on the market are contaminated with annual ryegrass... Even a 1–2% annual ryegrass contamination looks really bad when it heads out."
— prairie · HayTalk thread 23766
The practical upshot: a spring-planted true Italian stays leafy and vegetative (higher quality) longer, while common annual ryegrass races to a seedhead. In much of the Southeast the two names mean the same thing at the seed store, so read the tag and, if quality matters, buy a named variety.
Where and when annual ryegrass fits
Ryegrass is a cool-season crop, and how you use it depends entirely on your winters. Two very different playbooks show up on the forums.
In the South, it's a fall-planted winter annual: drill it in early fall, graze through winter and spring, then take a hay cut before it browns off. As one Texas grower described the rhythm:
"Here we drill rye grass in the early fall and graze during the winter. A friend drills his hay fields, grazes during the winter and spring, pulls the cows off once normal grazing gets going, then bales the ryegrass for hay. … There is a lot of ryegrass baled here in May. The horse people tend to buy it to tide them over until the Bermuda hay is ready. Ryegrass plays out here around June."
— Tim/South · HayTalk thread 25095
In the North, it's a spring-planted summer crop that winterkills, often underseeded with alfalfa or used as a fast-establishing companion: "I plant it in early May usually. It's an annual HERE and winterkills." Warm-season growers should also know ryegrass can turn into a weed in a perennial sod — in Bermuda country it's frequently sprayed out with glyphosate in the leafy stage before green-up, because a thick stand "hurts your stand of Coastal."
Establishing a stand: seeding rate, nitrogen, and fertility
Ryegrass is easy to establish and not fussy about soil — one grower reported good stands on soil as high as 8.5 pH. The levers that actually move yield are seeding rate, nitrogen, and moisture.
| Input | Practical range | Notes |
|---|---|---|
| Seeding rate (pure stand) | ~15–25 lb/acre (some go 8–20) | Higher rate = finer stems, nicer hay |
| Seeding rate (in a mix) | ~10–15 lb/acre | Common with alfalfa or small grains |
| Nitrogen | ~40–60 lb N/acre at establishment and per cutting | "It likes N and water"; skip the last one before season end |
| Days to first cut | ~45–50 days after spring seeding | Then roughly every 30–40 days |
One experienced Minnesota grower who has planted thousands of acres of it summed up the fertility and establishment program in a sentence:
"Alone I'd seed 10–20 lbs. It likes N 40–60 lbs per cutting if you want hay. It does like moisture and if dry yields suffer. Usually ready to cut around 50 days after seeding, and cut every 30–40 days after that."
— swmnhay · HayTalk thread 25095
University extension guidance lines up closely: apply nitrogen at establishment and top-dress after each harvest, and expect strong response to fertility — with the caveat that heavy early nitrogen boosts tonnage and makes the crop even slower to dry.
When to cut: before it heads
Quality is governed by growth stage, and with ryegrass the drop-off after heading is steep. Cut in the boot-to-early-head stage and the protein is genuinely good. Let it mature and you're baling filler.
"I had some that got mature last yr because of weather. 3.2 ton acre on first cut. 10% protien. Cut on time I expect 15–18% protien."
— swmnhay · HayTalk thread 12925
That's the whole tradeoff in one post: waiting adds tons but strips protein. Extension data pushes the ceiling even higher — annual ryegrass cut at boot stage commonly tests 15–20% crude protein with high digestibility, which is why dairies value it. If you're checking your own lab sheet against these numbers, our guide on how to read a hay test walks through crude protein, TDN, and relative feed value.
The hard part: getting ryegrass dry
Now the problem everyone runs into. Ryegrass has a waxy leaf surface and holds moisture stubbornly, so it dries far slower than most grass hay. In a humid spring it can be nearly impossible to field-cure.
"Annual ryegrass is hard to get dry it has waxy surface. It should be laid out flat and not in windrow or tedded would be better yet."
— swmnhay · HayTalk thread 25095
"This time of year, it will take a minimum of a week to dry ryegrass hay. 3 days is way, way too soon."
— reede · HayTalk thread 84897
If you're committed to dry hay, the crowd-sourced playbook is aggressive drying management. One grower laid out his full routine for trying to save a dry-hay cutting:
| Step | Why it helps |
|---|---|
| Cut high, 5–6" stubble | Holds the swath off wet ground so air moves under it |
| Lay it out as wide as possible (near full-cut width) | Maximum sun and airflow; a windrow traps moisture in the middle |
| Ted or fluff daily | Turns the wet underside up; skipping it is the #1 cause of a hot bale |
| Use an impeller (flail) conditioner | Scuffs the waxy leaf; works better than rolls on grass (worse on alfalfa) |
| Rake only when it's down to ~30% moisture | Raking three swaths together too early re-wets everything |
That last point is where a lot of custom jobs go wrong — raking heavy green swaths together on day two so the center never dries. If you're weighing a conditioner setup for grass like this, our rolls-vs-impeller conditioner guide covers exactly this tradeoff, and the hay tedder guide covers turning it fast.
The safer answer: wrap it wet as baleage
Because dry-curing ryegrass is a gamble, the operators who take it seriously stop fighting the weather and wrap it. Wrapping lets you cut at the right growth stage and preserve it the same day — rain in the forecast or not. It's the single most common recommendation in every serious ryegrass hay thread.
"I think it's too late now but it should have been wrapped for baleage. I'll bet if baled correctly the % protein would have been very high."
— Tx Jim · HayTalk thread 84897
The recipe is the same as any baleage: cut, wilt to 50–60% moisture, bale tight on the silage pressure setting, and wrap promptly with net wrap as the inner layer and 6–8 layers of stretch film outside. Net wrap holds the bale's shape through the short wait-to-wrap window so the film seals cleanly. New to it? Start with our first-time baleage guide and the baling-moisture guide; the fundamentals there apply directly to ryegrass. Even university extension bulletins now say the quiet part out loud: when weather won't give you a drying window on a heavy ryegrass crop, make baleage or silage instead of dry hay.
The heating and fire warning
Ryegrass is notorious for fooling people into baling it too wet, then heating in the stack. Because it feels dry on the outside while the stems are still green, the crimp test lies.
"That stuff will fool you into thinking it's ready to be baled, it felt dry as a fart but obviously it wasn't."
— Grateful11 · HayTalk thread 84897
One grower who baled a dry-hay cutting too green watched the bales climb to 175–195°F in the field — well into the danger zone. The check that beats the crimp test is to inspect the stem itself:
"Always check the nodes are dry and run your finger nail up the stem. ANY moisture or green flag inside WILL lead to heating."
— Hay diddle diddle · HayTalk thread 84897
If you're making dry ryegrass hay, don't stack it hot. Leave bales spread out and separated for a few days and watch the temperature. Our guide on hay bale heating and fire prevention covers the temperature thresholds and when to pull bales apart. (The clean way to sidestep all of this, again, is to wrap the wet cutting instead of gambling on dry hay.)
Who eats it: cattle love it, horses are pickier
For cattle, ryegrass is excellent feed and there's little debate. For horses, the reality is more about the owners than the animals.
"I think your palatability issues will be more with the horse owners than the horses... here, even the mention of ryegrass causes most noses to upturn. I don't doubt that IRG is higher in protein than Orchard."
— Vol · HayTalk thread 23766
Horses generally do fine on leafy, vegetative-stage ryegrass — the bad reputation comes from headed-out, overly mature ryegrass that got baled too late. Cut before heading, it's soft and palatable. If you're marketing to the horse trade, understand the perception is real and price accordingly; if you're feeding cattle, it's some of the best cheap protein you can grow.
Yield and the honest economics
Yields depend heavily on nitrogen and moisture, but the forum reports cluster into a usable range. In the South, growers routinely report about five 4x6 rolls per acre at roughly 1,150 lb each off a spring cutting. Up North with multiple cuttings and good fertility, total-season tonnage climbs higher — three cuttings in a wet year isn't unusual.
The honest caveat is reliability. Ryegrass is region-specific, and it loves moisture; a dry stretch stalls it out. As one Corn Belt grower put it bluntly, in his climate "half the time it will be a failure the other half the time it will be terrific." Know your area, plant it where it fits, and don't count on it in a drought year.
Annual ryegrass, start to finish
- Match it to your winters: fall-plant and graze/spring-bale in the South; spring-plant (it winterkills) in the North.
- Seed 15–25 lb/acre on a firm seedbed; feed 40–60 lb N at establishment and after cuttings.
- Cut before it heads — boot to early head — for 15–18%+ protein.
- If making dry hay: cut high, lay it wide, run an impeller conditioner, ted daily, and don't rake until ~30% moisture. Expect a week, not three days.
- If the weather won't cooperate: wilt to 50–60% moisture, bale tight, and wrap with net wrap plus 6–8 layers of film.
- Check the stem, not the surface, before baling dry — a green flag inside means heat. Don't stack hot bales.
Cut on time and put up right, annual ryegrass is high-protein feed that cattle clean up. The only real enemy is the drying window — and wrapping it wet takes that enemy off the table.
Frequently asked questions
Is annual ryegrass the same as Italian ryegrass?
Often, yes — in much of the South "annual" and "Italian" ryegrass are used interchangeably for Lolium multiflorum. Technically, true Italian types need to overwinter (vernalize) before they head, so spring-planted Italian stays leafy and higher-quality longer, while common annual ryegrass heads out faster. Neither is the same as cereal rye, which is a small grain.
How long does annual ryegrass take to dry for hay?
Longer than most grass hay — often a week or more in a humid spring, versus three days for orchardgrass or timothy. Its waxy leaf holds moisture. Cut high, lay it in a wide swath, use an impeller conditioner, and ted daily. When the weather won't give you that window, wrap it wet as baleage instead.
What protein does annual ryegrass hay test?
Cut on time (boot to early head), annual ryegrass commonly tests 15–18% crude protein and can reach 20% with good nitrogen and timely cutting. Let it mature past heading and protein falls sharply — one grower measured about 10% on an over-mature first cutting versus the 15–18% he expected cutting on time.
Can you make baleage out of annual ryegrass?
Yes — and it's the preferred method for serious ryegrass hay. Because ryegrass is so hard to dry, wrapping it wet at 50–60% moisture preserves the high protein without waiting on the weather. Bale tight on the silage setting, use net wrap as the inner layer, and wrap promptly with 6–8 layers of stretch film.
Will horses eat annual ryegrass hay?
Most horses eat leafy, vegetative-stage ryegrass fine, and it's higher in protein than orchardgrass. The resistance is usually from owners, not horses — and the bad reputation traces to overly mature, headed-out ryegrass baled too late. Cut it before heading for soft, palatable horse hay; cattle will take it at any stage they can chew.
The XES Netting team manufactures bale net wrap for round balers and writes these guides so forage operators can find clear, source-cited answers. Every farmer quote in this post is verbatim with a link to the original HayTalk thread — go read the discussions in full.
Featured photo: Italian ryegrass (Lolium multiflorum) seedhead by Ragnhild & Neil Crawford, licensed under CC BY-SA 2.0, via Wikimedia Commons.
