The most common another name for ryegrass depends on the type. Perennial ryegrass goes by English ryegrass and Lolium perenne. Annual ryegrass goes by Italian ryegrass or by Lolium multiflorum. You'll see these names on seed bags, in farm catalogs, and across online forums.
I learned how confusing this gets at a garden center three years ago. I wanted perennial ryegrass for my front lawn. Instead, I grabbed a bag labeled "Italian ryegrass" thinking it was just a brand name. Turns out I planted annual ryegrass that died the next summer. The store had four bags on the shelf with four different labels. All of them held some form of ryegrass inside.
Reading the Latin name on the back label saved me from making that mistake again. The ryegrass scientific name system clears things up fast. Both types belong to the genus Lolium in the grass family. Lolium perenne means the plant comes back year after year. Lolium multiflorum means it produces many flowers and lives just one season.
In my experience, the Italian ryegrass English ryegrass split causes the most buyer mix-ups. European farmers call perennial ryegrass "English ryegrass." It has grown across England for ages. Down in the American South, you'll find annual ryegrass sold as "Italian ryegrass" in forage catalogs. Two people can say "ryegrass" and mean very different plants.
Some seed sellers also use the name "Westerwald" for certain Italian ryegrass types. This term comes from German breeding programs that develop high-yield forage types. You won't see it often at your local hardware store. But it pops up in farm supply catalogs aimed at dairy and beef producers looking for premium seed stock.
Here's how to buy the right seed every time you shop. Flip the bag over and find the ryegrass scientific name on the label. If you want a lasting lawn, look for Lolium perenne no matter what the front of the bag says. If you need quick winter cover or forage, grab Lolium multiflorum instead.
Check your seed tag for the cultivar name too. Improved types like Brightstar or Manhattan fight disease better than generic seed. Spending 30 seconds reading the fine print on the back of your bag prevents a full season of wasted work.
You should also ask the store clerk which type sells best in your area. Local sellers know what grows well in your climate zone. They can point you toward the right Lolium species and save you the trouble of guessing. If you shop online, look for sellers that list the full ryegrass scientific name in their product details. Avoid any listing that just says "ryegrass" with no species info attached to it.
Another name for ryegrass might confuse you at the store, but the Latin label never lies. Write down Lolium perenne or Lolium multiflorum on your phone before you go shopping. Match that name to what's printed on the seed bag and you'll get the right grass every time.
Your lawn and your wallet will both benefit from those extra few seconds of label reading. The wrong seed means a full season of growth that dies on you when you least expect it. I've seen neighbors waste $40 to $60 on seed that didn't match their goals. Save yourself that pain by knowing the names before you walk into the store. The right another name for ryegrass on your list makes all the difference between a great lawn and a dead one.
Read the full article: Rye Grass: Types, Uses, and Care
