How to Identify and Handle Buffalo Bur Fruit Safely

How to Identify and Handle Buffalo Bur Fruit Safely
  • September 11, 2025
  • By Oliver Denver

As I’ve learned more about plants, I’ve come across many that are interesting but also potentially harmful. Buffalo bur is one of those plants. Its spiny nature and the presence of toxins mean I need to be careful when I encounter it. This article is about how I identify the buffalo bur fruit and what I do to handle it safely, making sure I don’t get hurt or spread it further.

Key Takeaways

  • Buffalo bur is a spiny, annual plant that can grow up to three feet tall, easily identified by its yellow spines and yellow, five-petaled flowers.
  • The plant’s fruit is a berry enclosed in a spiny casing, and the entire plant, except the petals, is covered in sharp, yellow spines.
  • Buffalo bur is toxic to livestock and can cause skin irritation or pain if touched due to its numerous sharp spines and burs.
  • When handling buffalo bur, I always wear protective gear, including thick gloves, long sleeves, pants, and eye protection, to prevent contact with the spines.
  • To manage buffalo bur, I focus on preventing seed production by removing plants before they flower and disposing of them securely to avoid spreading the seeds.

Understand What Buffalo Bur Is

Buffalo bur, scientifically known as Solanum rostratum, is a plant that can cause quite a bit of trouble if you’re not careful. It’s an annual herb, meaning it completes its life cycle in a single year, but it makes the most of that time. I’ve seen it pop up in all sorts of places, from overgrazed fields and pastures to roadsides and even just neglected yards. It seems to thrive in a variety of soil types, from sandy patches to hard, compacted clay, and it’s not too picky about moisture either, handling both dry spells and waterlogged conditions well.

What sets it apart, and frankly, makes it a pain, are the prickles. The entire plant, from its stems to its leaves, is covered in these sharp, yellow spines. The stems can grow up to three feet tall and tend to branch out, giving it a bushy appearance. The leaves are deeply lobed, almost like jagged edges, and they’re also quite prickly. When it flowers, you’ll see bright yellow, five-petaled blossoms, usually about an inch across, often appearing in clusters. These flowers are followed by the infamous burrs, which are essentially the fruit. They’re round, about half an inch in diameter, and completely covered in those nasty, sticky prickles. These burs are the main way the plant spreads, sticking to anything they can – animal fur, clothing, and even floating on water. It’s also known to spread like a tumbleweed when the plant dries out, blowing seeds around with the wind. This aggressive nature means it can quickly take over areas, outcompeting desirable plants and making grazing difficult for livestock because of the spines. It’s even been known to contaminate grain crops and devalue wool if sheep get the burs caught in their fleece. For anyone dealing with invasive plants, understanding this one is the first step. If you’re in Washington State, you should know it’s on the quarantine list, meaning there are restrictions on moving it around. You can find more details on the Washington State Department of Agriculture website if you need specific information for that region.

Recognize the Key Identification Features

Spotting buffalo bur, or Solanum rostratum, can be a bit tricky because it has some look-alikes, but there are a few things that set it apart. When I first encountered it, I was surprised by how aggressively spiny the whole plant is. Seriously, from the stems to the leaves and even the fruit itself, everything is covered in these sharp, yellowish prickles. It’s not a plant you want to brush up against.

The leaves are probably one of the most distinctive features. They’re deeply lobed, almost like a maple leaf but much more jagged and, of course, prickly. They tend to grow in a basal rosette when the plant is young, but as it matures, they grow along the stem. The stems themselves are also quite hairy and spiny, usually a greenish-purple color.

When it flowers, you’ll see bright yellow blossoms, typically with five petals. These flowers are about an inch or so across. After the flowers fade, the real hazard appears: the fruit. The fruit is a berry, usually brown or blackish when ripe, but it’s completely enclosed in a very spiny, star-shaped husk formed from the calyx. This spiny casing is what gives it the “bur” name and makes it so difficult to handle.

Here’s a quick rundown of what to look for:

  • Overall Appearance: A sprawling, somewhat bushy annual plant that can grow up to about two feet tall.
  • Leaves: Deeply lobed, fuzzy, and covered in sharp, yellowish prickles.
  • Stems: Also hairy and spiny, often with a purplish hue.
  • Flowers: Bright yellow, star-shaped, with five petals.
  • Fruit: A berry enclosed in a very spiny, persistent husk.

It’s important to note that while it might resemble other plants, like the litchi tomato (Solanumsisymbriifolium), the flower color and the way the fruit’s husk develops are key differences. The litchi tomato often has white or pale blue flowers and a red berry, with a calyx that reflexes back more. Buffalo bur’s yellow flowers and completely enclosed, spiny fruit husk are its signature traits.

Distinguish Buffalo Bur from Similar Plants

It’s easy to get buffalo bur mixed up with other plants, especially if you’re not looking closely. I’ve found that paying attention to a few key details helps.

One plant that often gets confused with buffalo bur is the litchi tomato (Solanum sysimbriifolium). While both are in the nightshade family and have spiny defenses, there are differences. The litchi tomato, also known as red buffalo bur, has bright red, berry-like fruits that are actually edible when ripe, unlike buffalo bur. The burs on the litchi tomato are also typically less aggressive. Another plant to watch out for is Carolina horsenettle (Solanum carolinense). This one is related, but not as closely. Its ripe fruits can have an unpleasant smell, and importantly, its calyx doesn’t form a protective husk around the berry like buffalo bur does.

Here’s a quick rundown to help tell them apart:

  • Buffalo Bur (Solanum rostratum): Yellow flowers, burs fully enclose the berry, fruits are toxic. Burs are very prickly.
  • Litchi Tomato (Solanum sysimbriifolium): Red fruits (edible when ripe), burs enclose the fruit but are generally less spiny than buffalo bur. Flowers are often purple or white.
  • Carolina Horsenettle (Solanum carolinense): White or pale purple flowers, berries are not fully enclosed by the calyx, and fruits are toxic and can smell bad.

The most reliable way to distinguish buffalo bur is by its combination of yellow flowers and the very spiny, fully enclosing bur that surrounds its berry.

When you’re out in the field, remember that even plants within the same genus can have vastly different properties, especially regarding edibility and toxicity. Always err on the side of caution and confirm identification before interacting with any plant, particularly if you’re considering it for consumption or if children or pets are around. Consulting local resources or an experienced botanist can be incredibly helpful for accurate identification, especially when dealing with potentially hazardous species. For instance, understanding local flora is key to managing your property effectively, much like knowing which trees need professional care in areas like Wellington, CO.

Getting the identification right is the first step in safe handling. If you’re unsure, it’s always best to treat the plant as potentially hazardous. Don’t hesitate to seek advice from local agricultural extension offices or knowledgeable gardeners if you need help confirming a plant’s identity.

Understand Toxic Risks and Physical Hazards

When dealing with buffalo bur, it’s important to be aware of the potential dangers it presents. The plant itself contains toxins, primarily solanine, which is also found in green potatoes. While the exact levels in buffalo bur can vary, consuming any part of the plant, especially the fruit, can lead to adverse effects. It’s best to assume all parts of the plant are toxic and avoid ingestion.

Beyond the chemical risks, the physical hazards are quite significant. The entire plant, from the leaves to the stems and even the burs themselves, is covered in sharp, needle-like thorns. These thorns are not just a minor annoyance; they are substantial and can easily puncture skin, even through thick gloves. Trying to handle the plant without proper protection is a recipe for painful pricks and potential infections.

Here’s a breakdown of the hazards:

  • Toxicity: Contains solanine and other alkaloids, which can be harmful if ingested.
  • Physical Puncture: Covered in sharp, long thorns that can easily penetrate skin.
  • Allergic Reactions: Some individuals may experience skin irritation or allergic reactions upon contact with the plant’s sap or oils.

The thorns are particularly nasty, covering the plant right down to the soil line. You can’t get near it without getting pricked. This makes manual removal a challenging and potentially painful endeavor if you’re not adequately prepared.

If the burs get stuck in animal fur, they can be ingested during grooming, posing a risk to livestock. While most animals tend to avoid grazing on the plant itself, its inclusion in hay can be a hidden danger. Understanding these risks is the first step in safely managing buffalo bur and preventing harm to yourself, your family, and any animals you may have. For more information on plant toxins, you might find resources on solanine toxicity helpful.

Safety Gear and Precautions Before Handling

Safety Gear and Precautions Before Handling

Before I even think about getting close to buffalo bur, I make sure I’m properly geared up. It’s not a plant you want to mess with unprepared. My first line of defense is always thick, puncture-resistant gloves. I’m talking about heavy-duty leather or specialized gardening gloves that go well past the wrist. You can’t be too careful with those spines.

Next, I put on long pants and long-sleeved shirts. Even if it’s warm out, covering up is key. I prefer sturdy materials like denim or canvas, as they offer better protection than lighter fabrics. Closed-toe shoes or boots are a must, and I usually tuck my pant legs into them to prevent any burs from finding their way inside. Safety glasses are also a good idea, especially if I’m dealing with a plant that’s shedding a lot of burs or if there’s a chance of debris flying.

Here’s a quick rundown of what I grab:

  • Gloves: Heavy-duty, puncture-resistant, wrist-length.
  • Clothing: Long pants and long sleeves made of thick material.
  • Footwear: Closed-toe boots or sturdy shoes.
  • Eye Protection: Safety glasses or goggles.

It’s important to remember that the entire plant, especially the burs, is covered in sharp spines. These aren’t just a minor annoyance; they can easily penetrate skin and clothing, causing painful puncture wounds. Taking these precautions seriously is the best way to avoid injury and make the removal process much safer for me.

I also like to have a plan before I start. Knowing where I’m going to put the removed burs and having my disposal bags ready helps keep things organized and prevents accidental contact with the hazardous parts of the plant after they’ve been removed.

Safe Removal and Handling of Fruit/Burs

When it comes to dealing with buffalo bur fruit and burs, my approach has always been one of extreme caution. These things are seriously prickly, and getting them off anything, whether it’s your clothing, your pet, or the ground, requires a bit of a strategy. My primary goal is to avoid direct contact with the burs themselves.

Here’s how I typically go about it:

  • Gathering the Burs: I use a sturdy pair of tongs or thick gardening gloves to pick up the burs. If there are a lot of them, I might use a stiff brush to sweep them into a dustpan, again, always wearing gloves. For larger areas, a leaf blower on a low setting can sometimes help gather them into a pile, but you have to be careful not to just spread them further.
  • Dealing with Attached Burs: If burs have stuck to fabric, like pants or a jacket, I try to remove them while the fabric is still on the item. Gently pulling them off with the tongs is usually best. For tougher spots, a stiff brush might help loosen them. If they’re embedded, I might consider freezing the fabric briefly, as sometimes the burs become more brittle and easier to dislodge when cold.
  • Handling the Plant: If I need to remove the entire plant, I’ll dig it up carefully, making sure to get the roots. I place the whole plant, burs and all, directly into a heavy-duty trash bag. Again, gloves and tongs are my best friends here.

It’s important to remember that even after the burs are removed, the plant itself can still be irritating. I always wash my hands thoroughly after any handling, even if I wear gloves.

The key is to think of these burs like tiny, persistent burrs that are designed to stick. Patience and the right tools make all the difference in preventing a painful experience.

Secure Disposal to Prevent Spread

Once you’ve safely removed the buffalo bur fruit and plant, proper disposal is key to stopping it from spreading further. Simply tossing them in the regular trash might not be enough, as seeds can still germinate if the waste ends up in a landfill that’s not properly managed. My preferred method, and one that seems quite effective, is burning.

Burning the plant material, especially the burs, helps to destroy any viable seeds. I usually do this in a contained area, like a metal fire pit or an old, unused concrete tank, to ensure the fire doesn’t spread. It’s important to make sure the plant is completely consumed by the fire. This way, I’m confident that the seeds are no longer a threat.

Here’s a breakdown of how I approach disposal:

  • Bagging: Place the removed plants and burs into heavy-duty plastic bags. Double-bagging can provide an extra layer of security against any stray seeds escaping.
  • Burning: If conditions allow and it’s safe to do so, burn the bagged material. Ensure you follow local fire regulations. This is the most thorough method for seed destruction.
  • Composting (with caution): While generally not recommended due to the risk of seed viability, if you must compost, use a hot composting method. However, I avoid this for buffalo bur, as even composting might not guarantee seed death, and I don’t want to risk spreading it through my garden compost.

It’s about being thorough. You’ve gone through the effort of removing the plant, so you want to make sure your disposal method actually neutralizes the threat. Burning is the most reliable way I’ve found to achieve this, ensuring those nasty burs don’t get another chance to sprout.

If burning isn’t an option, sealing the bagged material and taking it to a landfill that uses incineration or has robust containment measures is the next best step. I always try to confirm how the waste is handled locally. For those in areas dealing with invasive species, checking with local authorities or agricultural extension offices can provide specific disposal guidelines. For instance, understanding how to manage weeds like common purslane might offer insights into local best practices.

Monitor Area and Implement Preventive Measures

Monitor Area and Implement Preventive Measures

After you’ve dealt with the existing buffalo bur plants and their prickly fruits, the work isn’t quite done. These plants are tough, and their seeds can hang around in the soil for a good while, just waiting for the right conditions to sprout. So, keeping an eye on the areas where you found them is important if you want to keep them from coming back.

I’ve found that a regular patrol of my yard and garden, especially in the spring and early summer, helps. It’s during these times that new seedlings are most likely to pop up. Catching them when they’re small and haven’t gone to seed yet makes removal so much easier and prevents future problems.

Here’s what I usually do:

  • Daily or Every-Other-Day Checks: Especially in known problem areas, I make it a habit to walk through and look for any new sprouts. They’re usually small at first, and the yellow flowers, if they’ve started, can be a giveaway.
  • Soil Disturbance Awareness: Buffalo bur seems to like disturbed soil. So, after any digging, tilling, or even just heavy foot traffic in an area, I pay extra attention there for a while.
  • Mulching: Applying a good layer of mulch in garden beds can help suppress new weed growth, including buffalo bur. It creates a barrier that makes it harder for seeds to germinate and reach the sunlight they need.

It’s easy to get discouraged if you see them popping up again, but remember that persistence is key. Each plant you remove before it seeds is one less problem down the line. Think of it as a long-term strategy to reclaim your space from these spiky invaders.

Sometimes, even with the best efforts, a few will still get through. If you notice them starting to grow, especially in areas where you can’t easily reach or monitor frequently, consider using a pre-emergent herbicide. Always follow the product instructions carefully and apply it at the right time of year, usually before the seeds are expected to germinate. Your local extension office or a garden center can often provide advice on suitable products for your region.

Keep an eye on your trees and take steps to prevent problems before they start. This proactive approach helps keep your trees healthy and strong. Want to learn more about how we can help protect your trees? Visit our website today for expert advice and services!

Frequently Asked Questions

How can I tell if a plant is a Buffalo Bur?

I identify Buffalo Bur by its spiny, hairy nature and its yellow flowers. The entire plant, except for the flower petals, is covered in sharp, straight yellow spines. Its leaves are also prickly with deep, irregular lobes. The stems are upright and bushy, also covered in these prickly spines. The fruit itself is a berry, but it’s completely hidden inside a spiny casing.

Are Buffalo Bur fruits edible?

Based on my research and understanding, I would advise against eating Buffalo Bur fruits. While some related plants in the nightshade family have edible parts, Buffalo Bur is known to be toxic, especially its leaves and unripe fruits. The plant contains harmful substances like solanine, and the spiny casing around the fruit suggests it’s not designed for easy consumption by animals or humans.

What are the dangers of touching Buffalo Bur?

My primary concern with touching Buffalo Bur is the physical hazard posed by its numerous sharp spines. These spines can cause painful pricks that linger. I’ve read that even animals, like dogs, can experience prolonged pain and irritation from these spines, causing them to chew at their feet even after the burs are removed.

What safety gear should I wear when handling Buffalo Bur?

To protect myself, I always wear thick, puncture-resistant gloves, long sleeves, long pants, and closed-toe shoes. I also find that eye protection, like safety glasses, is a good idea, especially if I’m dealing with plants that might release seeds or irritating hairs into the air. It’s better to be overly cautious.

What is the best way to remove Buffalo Bur?

My preferred method for removing Buffalo Bur is to pull the entire plant up by the roots, especially before it has a chance to produce seeds. If the plant is already mature and has burs, I’m very careful to bag them immediately as I remove them to prevent spreading. Mowing or hoeing before the flowers appear can also prevent seed production, which is a good preventative step.

How should I dispose of Buffalo Bur to prevent it from spreading?

When I dispose of Buffalo Bur, I always place the entire plant, including the burs and seeds, into a heavy-duty plastic bag. Then, I seal the bag tightly and dispose of it in a way that prevents it from being scattered, such as in a designated waste bin or through proper composting methods if allowed and safe in my area. The goal is to ensure no seeds can escape and start new plants.

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