Sticky Seeds From Weeds

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There?s a hitchhiker lurking in your car right now and you don?t even know it. Fortunately, it?s not the kind that might end up on the nightly news, but it?s almost as bad where the ecosystem is concerned. Learn more about hitchhiking weeds in this article. Sticky willy has clinging hairs on its leaves, stem and seeds which stick to your clothes. It's an annual and easy removed. How to Get Rid of Sticky Willy. Sticky willy (Galium aparine) goes by many different, descriptive common names including bedstraw, catchweed, beggar’s lice, scratchweed and velcro plant. This annual plant is often an unwanted weed where it invades roadsides, home landscapes and vegetable or flower gardens, often …

Seeds That Stick To Clothing: Different Types Of Hitchhiker Plants

Even now, they’re lingering along the roadside waiting for you to pick them up and take them wherever you’re going. Some will ride inside your car, others on the chassis, and a few lucky ones will find their way into your clothing. Yes, weeds that spread by people, or hitchhiking, have certainly taken advantage of you this year. In fact, the average car carries two to four seeds for hitchhiker plants at any given time!

What are Hitchhiker Weeds?

Weed seeds spread in a variety of ways, whether traveling by water, air, or on animals. The group of weeds nicknamed the “hitchhikers” are seeds that stick to clothing and fur, making it difficult to dislodge them immediately. Their variously barbed adaptations ensure that the seeds will travel far and wide via animal locomotion, and most can be eventually shaken off down the road somewhere.

Although it might sound like all fun and games, the weeds spread by people are not only difficult to contain, but they’re also costly for everyone. Farmers lose an estimated $7.4 billion each year in productivity to eradicate these pest plants. Humans are spreading these seeds at a rate of 500 million to one billion seeds a year in cars alone!

Although the weeds within crop stands are annoying, those that appear in fields can be downright dangerous for grazing animals like horses and cattle.

Types of Hitchhiker Plants

There are at least 600 weed species that travel by hitchhiking with humans or on machines, 248 of which are considered noxious or invasive plants in North America. They come from every kind of plant, from herbaceous annuals to woody shrubs, and occupy every corner of the world. A few plants you might be familiar with include the following:

  • “Stick-tight” Harpagonella (Harpagonella palmeri)
  • “Beggerticks” (Bidens) (Krameria grayi) (Tribulus terrestris) (Opuntia bigelovii) (Torilis arvensis) (Symphyotrichum lateriflorum) (Arctium minus) (Cynoglossum officinale) (Cenchrus)

You can help slow the spread of these hitchhikers by carefully inspecting your clothing and pets before emerging from a wild area full of seeding plants, making sure to leave those unwanted weeds behind. Also, reseeding disturbed areas like your garden plot with a cover crop can ensure that there’s too much competition for hitchhikers to thrive.

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Once those weeds emerge, digging them out is the only cure. Make sure to get 3 to 4 inches (8-10 cm.) of root when the plant is young, or else it’ll grow back from root fragments. If your problem plant is already flowering or going to seed, you can clip it at the ground and carefully bag it for disposal – composting will not destroy many of these types of weeds.

Last, but not least, check your car any time you’ve been driving on unpaved roads or through muddy areas. Even if you don’t see any weed seeds, it wouldn’t hurt to clean your wheel wells, undercarriage, and any other location where seeds might be hitching a ride.

Goose Grass, Sticky Willy

Often remembered from childhood, goose grass or sticky willy has clinging hairs on its leaves, stem and seeds which stick to your clothes. It’s an annual and easy removed but also easily spreads with its self sown seedlings. Can grow up to 4ft high. Sticky Willy can grow rapidly during warm weather. The sticky stems are able to scramble around the garden, smothering small, cultivated plants and setting masses of seed. It’s usually introduced on the coats of animals, birds’ feathers or human clothing. Its lifecycle is approximately eight weeks from germination to setting seed.

Leaves

The leaves and stem are covered with hooked hairs that latch onto anything that brushes against them.

Flowers

2 to 5 stalked flowers appear at the end of a stem. Individual flowers have 4 pointed white petals with a greenish center, and are about 1/16 inch across.

Preferred Habitat

Sticky Willy is a common garden weed and likes shade. Keep a close eye out for it as it will creep around your plants, spreading as it goes.

Weed Control

Remove Sticky Willy regularly by hand, or hoe off young seedlings before they set seed. Avoid getting seeds on clothing, as this can inadvertently spread it around the garden. Mulch borders with a 5cm layer of garden compost or composted bark to suppress seedlings.

Not Just a Weed

The leaves and stems of the plant can be cooked as a leaf vegetable if gathered before the fruits appear.

Sticky Willy is a reliable herb and is used to clean urinary stones and to treat urinary infections.

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Welcome to Weedipedia.

At Vialii, we are strong proponents of organic gardening and try to avoid weedkiller if we can. To many people, weeds are wonderful things, whether they are grown as pretty wildflowers or for their health benefits. But we understand they can be frustrating in gardens so our Weedipedia pages detail our most common weeds, how to identify & get rid of them but also their benefits too. If you need help getting rid of your own weeds please get in touch.

Common Weeds

Goose Grass, Sticky Willy

Often remembered from childhood, goose grass or sticky willy has clinging hairs on its leaves, stem and seeds which stick.

Horse or Mares Tail

One of the most dreaded of weeds, Mares Tail can spread like wildfire so if you see it, deal with.

Larger Bindweed, Hedge Bindweed

Bindweed is a notorious, perennial weed which no gardener wants to find in their garden as its so hard to.

Chickweed

Chickweed is one of the most common of weeds with the most delicate tiny white star-shaped flowers hence its Latin.

Creeping Buttercup

Creeping buttercup is a common perennial weed with low-lying foliage that forms mats. Its instantly recognisable glossy yellow flowers appear.

How to Get Rid of Sticky Willy

Perhaps best known as Sticky Willy, Galium aparine – USDA growing zones 3 to 7 – is an annual plant, largely considered to be a weed. With some basic steps, however, the savvy gardener can effectively remove it from his or her yard. Also known as Goosegrass, Coachweed, Catchweed and Cleavers, it can cause some serious problems for both gardeners and farmers.

Why Get Rid of Sticky Willy?

The sap of the plant can cause severe skin irritation in people who are sensitive to it. If left unchecked, the plant can also severely hinder other plants’ ability to grow. If left unchecked in agricultural operations, the plants can reduce crop yield in some species by between 30 and 60 percent.

The seeds and foliage of Sticky Willy can contaminate the wool and fur of some livestock raised for the production of clothing. If animals consume it, it can inflame their digestive tracts. Its seeds can get stuck in the fur of animals and is very difficult to remove. It can also carry with it different diseases and pests.

Identifying Sticky Willy by Its Small Spines

Sticky Willy is quite easy to identify, thanks to the downward-pointing brown prickles on its leaves – which appear in groups of between six and eight – and stems. Its oblong-shaped eggs have slightly notched tips. Its seed leaves, or cotyledons, are smooth, however. If allowed to mature, Sticky Willy can grow to be 40 inches tall. Large groups of the plants often spread in dense mats over the ground, made all the more dense by their spines. Their flowers are four-parted and often white or greenish-white.

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The weed can be found around the world. Most often, Sticky Willy grows in moist and shady areas such as areas filled with waste, on roadsides and in gardens. The species can also affect the growing of hay, rapeseed, sugar beets and various cereals.

Removing Sticky Willy Is Harder Than You Think

Getting rid of a Sticky Willy plant is easy enough; in fact, it’s just a matter of pulling it from the ground. However, each plant can have between 300 and 400 seeds, which spread readily and can lie dormant in soil for six years.

The best way to remove the plants for good is to get them out of the soil before the plants flower and develop their seeds — ideally in the early spring. This can be done using a hoe or another tool that gets to the roots, or by hand. As the plant’s sap is irritating, wearing gloves is an important step if you choose the latter option. If the plant has already flowered, attempting to remove it will only spread the seeds.

Applying a heavy layer of organic mulch or using plastic mulch can also prevent the seeds from reaching the soil or getting enough light to grow.

Gardeners looking to avoid Sticky Willy near their homes should be sure to brush down their clothing and pets after walking in areas where the weed is commonly found, or after exposure. Like most parts of the plant, the seeds are covered in tiny barbs that can stick to cloth or fur easily. The seeds spread easily, and even a few of the hardy seeds can cause an outbreak in a garden.

Chemical Solutions for Galium Aparine

Some herbicides have proven to be effective in removing the pesky plant. Contact herbicides containing acetic, fatty or pelargonic acids can scorch off Sticky Willy’s foliage, including its seed leaves. However, these can damage nearby plants, so covering desirable garden plants is recommended, at least until the chemicals dry on the weed foliage.

Glyphosate can be used in the same way, but it’s more important to ensure none of it gets on any other plants.

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