Does Thistle Seed Grow Weeds

How to Deal With Thistles What’s hairy and spiny that might be taking over your garden? Thistle is a type of weed that can be very stubborn and tough to eliminate. Thistles can grow tall, and Thistle seed is popular, but if you fill your feeders with it, what birds will visit? Learn which familiar birds eat Nyjer seed.

How to Deal With Thistles

What’s hairy and spiny that might be taking over your garden? Thistle is a type of weed that can be very stubborn and tough to eliminate. Thistles can grow tall, and they grow fast, and in a lot of numbers as well. Thistles can grow or sprout during the summer and fall. During the winter, they will appear to be roses or flowers that will also sprout during the spring. Thistle flowers will only guarantee more of this type of weed in your garden.

Having a garden or yard infested with thistles can have harmful effects on your plants, crops, or flowers. These include:

  • It can lessen the grass growth in your garden by more than fifty percent.
  • Thistles are also a perfect place for insects and other pests that may attack your plants or crops, most especially insects that can damage tomatoes.
  • These weeds can also suck out some of the nutrients away from your grass as well.

But how do you get rid of the stubborn thistle weeds? Below are some of the things you can do to deal with them:

Managing Thistles

Plant Grass

In order to avoid the growth of thistles in your garden, you should first stop them from having a place to grow in first.

Pull Them Out

If thistles still grow in your garden, what you can do to manage or get rid of them is by pulling out as many of them as you can. Make sure that you are able to pull out the whole week, up to the roots. This is because if a tiny piece of a thistle survives, it can still grow back and start increasing in numbers again.

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Mowing or Grazing

After managing to pull out the thistle weeds, you can now mow your lawn. This will reduce the thistle seed reserve, and it will also be able to get rid of thistles that are still at their early stage of growth. Make sure that thistles don’t grow up to bloom flowers because you will have a harder time getting rid of them. You can also cut thistles close to the ground by using a hoe.

Use Herbicides

After moving and/or grazing, you can apply herbicides. Herbicides are effective, and they are best applied during the fall, from September through October. You may want to use glyphosate, but make sure that you apply this specifically on thistle-infected areas because glyphosate will kill your plants if you accidentally apply it on them.


You can also try mulching your soil. By mulching, you will be conserving the moisture of your soil, as well as enrich it. This way, you can prevent thistle from growing in the first place.

Keep Your Lawn Thick and Re-Seed

Another way to keep thistle away is by keeping your lawn thick, and your garden well maintained. A healthy garden can discourage thistle growth. As soon as you see any thistles starting to grow, it is also advisable to pull them away as early as possible.

Birds That Eat Nyjer – Seed-Eating Birds

Melissa Mayntz is a bird expert, certified Master Naturalist, writer, and author with over three decades of experience. She’s published in several national magazines, including National Wildlife Magazine, Bird Watcher’s Digest, and WildBird Magazine. Melissa has studied hundreds of bird species around the world, traveling to Mexico, Central America, the Caribbean, the central Pacific, the Middle East, and more on birding expeditions.

The Spruce / Adrienne Legault

Nyjer seed—also commonly known as niger or thistle seed—is popular with many backyard bird species, particularly seed-eating birds and winter finches. Knowing which birds eat Nyjer can help birders choose the best birdseed and appropriate feeders for their backyard flock.

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About Nyjer

Nyjer is a small, thin, black seed from the African yellow daisy (Guizotia abyssinica). Though it is not related to the thistle plant, Nyjer is often referred to casually as “thistle seed.” High in oil, it is a nutritious source of energy for backyard birds and is one of the most popular types of birdseed. Depending on crops, import prices, and retailer options, however, it can also be one of the most expensive birdseeds. To lower the cost, many backyard birders prefer to offer Nyjer in limited quantities or will choose specialized feeders to ensure the seed is not accidentally spilled and wasted. Nyjer is also often found in finch mix or canary birdseed blends, often with sunflower chips or small millet seeds that also appeal to the birds that eat Nyjer. Because these mixes have smaller proportions of Nyjer, they are often less expensive than pure thistle seed.

Bird Species That Eat Nyjer

Birds that prefer Nyjer are seed-eating bird species. They typically have smaller, sharply-pointed bills that can easily manipulate such tiny seeds to crack shells and extract the rich seeds. Many Nyjer-loving birds are also called clinging birds because of their habit of acrobatically clinging to the sides of feeders rather than perching while feeding, and many of them can even eat upside down. These foraging habits help them feed on the natural seeds of flowers, which could be at unusual angles or waving in the wind when the birds are eating. Still, other bird species that feed on Nyjer are ground-feeding birds that will forage in leaf litter after flowers have shed their seeds. These larger seed-eating birds will also gather beneath specialized Nyjer feeders and sift through discarded shells for any seeds that have been spilled.

The most popular birds that eat Nyjer include the following:

Nyjer is a popular seed with many other finches, sparrows, doves, towhees, quail, and buntings. Even unexpected birds may try a bite of Nyjer when it is offered, and woodpeckers, thrushes, chickadees, and other birds have been spotted snacking at thistle seed feeders.

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When Nyjer Isn’t Necessary

While this seed has relatively wide appeal in the backyard, some birds won’t give it a second glance. Orioles, waxwings, and other strongly frugivorous species will not pay any attention to Nyjer, and nectar-loving birds such as hummingbirds will also ignore a Nyjer feeder. Birds with larger, less adept bills such as cardinals, starlings, and grosbeaks cannot easily munch on thistle seed, and they are more likely to use other feeders and try other seeds instead. If any of these are the types of birds a backyard birder wants to attract, a Nyjer feeder is not necessary.

Even if there are plenty of finches visiting the feeders, they may forsake a Nyjer feeder if there are abundant natural foods available instead. If the backyard landscaping includes plentiful seed-bearing flowers for birds, an extra feeder may be ignored until the natural seed supplies are exhausted. In these cases, backyard birders often take down Nyjer feeders in late summer and fall when natural seeds are plentiful, but those feeders will be welcome and popular from late fall through early summer.

Attracting Birds With Nyjer

To attract birds by offering Nyjer, select appropriate bird feeders that have small mesh or tiny feeding ports to release the seed without spilling. Either soft mesh sock-style feeders or more durable metal mesh feeders can be suitable. For many birders, offering Nyjer in the winter is the best option, as many seed-eating birds are year-round residents but natural seed supplies are scarce in winter, so thistle seed feeders will be more popular. Birders who have not offered Nyjer before may choose mixed seed that includes Nyjer first to help the birds get accustomed to the new seed. Tricks to attract birds to a new feeder can also be useful for introducing birds to Nyjer.

Many birds eat Nyjer, and adding this nutritious, high-energy seed to a backyard buffet can attract a range of finches, sparrows, and other seed-loving birds to the yard.