If you’ve ever seen your rabbit happily nibbling on a patch of fresh grass, you already know how much they love greens. But when it comes to indoor pet care, two popular options often come up — wheatgrass and catgrass. Many rabbit owners wonder: Is wheatgrass or catgrass better for rabbits?
Both are safe, nutrient-rich, and easy to grow at home, but they’re not exactly the same. Wheatgrass comes from sprouted wheat seeds (Triticum aestivum), while catgrass is typically a blend of barley, oat, rye, or wheat seeds grown for pets.
In this post, we’ll take a deep look at what each offers, their nutritional differences, and which one might suit your rabbit best. Whether you’re a new bunny owner or an experienced caretaker looking to diversify your rabbit’s diet, this guide will help you make a well-informed choice.
In This Article
What is Wheatgrass?
Wheatgrass has long been a favorite among both humans and animals. It’s the young, tender shoots of the wheat plant — harvested before it forms grain heads. When grown in trays or pots, it produces lush, bright green blades packed with nutrients.
Nutritional Highlights of Wheatgrass for Rabbits
Wheatgrass offers a concentrated boost of vitamins and minerals that benefit rabbits when fed in moderation.
| Nutrient | Benefit for Rabbits |
| Vitamin A | Supports eye health and immune function |
| Vitamin C | Helps tissue repair and antioxidant defense |
| Vitamin E | Promotes healthy fur and skin |
| Calcium | Strengthens bones and teeth |
| Iron & Magnesium | Boost oxygen transport and metabolism |
| Chlorophyll | Aids digestion and detoxification |
Wheatgrass is high in fiber, which is vital for maintaining a rabbit’s gut motility and preventing digestive issues like GI stasis. It also provides hydration due to its high moisture content, making it a refreshing treat, especially in warmer weather.
“A handful of fresh wheatgrass can be a fantastic supplement — not a replacement — for a hay-based rabbit diet.”
— Dr. Linda Ferguson, Exotic Pet Veterinarian
How to Feed Wheatgrass to Rabbits
- Offer small handfuls once or twice a week.
- Rinse thoroughly to remove any soil or mold.
- Avoid feeding if the grass appears slimy or discolored.
- Mix with other greens to prevent selective eating.
When grown organically indoors, wheatgrass is safe, clean, and chemical-free — making it a reliable option for pet owners who prioritize natural feeding.
What is Catgrass?
Many pet owners confuse catgrass with wheatgrass, but they’re not the same thing. Catgrass is not a single plant species — it’s a general term for any edible grass grown for pets, commonly a mix of barley (Hordeum vulgare), oat (Avena sativa), rye (Secale cereale), or sometimes wheat.
What Makes Catgrass Unique
Catgrass is cultivated for its soft texture and mild flavor, appealing not only to cats but also to small herbivores like rabbits, guinea pigs, and hamsters. Because it’s a mixture of different grasses, its nutritional content can vary slightly depending on the seeds used.
| Common Grass Type in Catgrass Mix | Key Nutrients | Rabbit Benefit |
| Barley Grass | Vitamin K, calcium | Strengthens bones and blood health |
| Oat Grass | Vitamin B complex | Supports energy metabolism |
| Rye Grass | Fiber, magnesium | Promotes digestion and calmness |
Catgrass tends to grow quickly — often within 5 to 7 days of planting — and is easy to maintain indoors. This makes it a convenient, low-cost option for rabbit owners who want to provide natural enrichment.
Is Catgrass Safe for Rabbits?
Yes, absolutely. Catgrass is safe and even beneficial for rabbits when given in moderation. Its gentle fibers help wear down teeth and support digestion, while its sweet flavor often makes it more palatable than wheatgrass for some bunnies.
Feeding Tips:
- Introduce catgrass slowly to avoid stomach upset.
- Provide small amounts a few times a week.
- Always ensure fresh, clean water and unlimited hay alongside.
Anecdotally, many rabbit owners notice that their rabbits show a preference for catgrass due to its softer blades and mild taste — especially young rabbits or those new to fresh greens.
Key Nutritional Differences Between Wheatgrass and Catgrass for Rabbits
When deciding whether wheatgrass or catgrass is better for rabbits, the first thing to compare is their nutritional composition. While both grasses are rich in fiber and vitamins, they differ slightly in what they offer and how they benefit a rabbit’s system.
Nutritional Comparison Table
| Nutrient / Property | Wheatgrass | Catgrass (Mixed) | Rabbit Benefit |
| Fiber | High (supports gut health) | Moderate to high | Prevents GI stasis and keeps digestion moving |
| Chlorophyll | Very high | High | Natural detoxifier, supports oxygen flow |
| Protein | ~3.5% (fresh) | ~2.8–3.2% (fresh) | Builds tissue and muscle |
| Vitamin A | Abundant | Moderate to high | Improves eye and skin health |
| Vitamin E | Rich | Moderate | Enhances coat condition and immune defense |
| Minerals (Calcium, Iron, Magnesium) | High | Varies by mix | Strengthens bones and energy balance |
| Taste Profile | Slightly bitter | Mild and sweet | Affects rabbit preference |
| Growth Speed | Moderate (7–10 days) | Fast (5–7 days) | Influences convenience |
From this breakdown, it’s clear that wheatgrass provides more concentrated nutrition, while catgrass offers variety and palatability.
Wheatgrass is especially beneficial for adult rabbits needing an extra nutrient boost or recovering from mild illness. Catgrass, on the other hand, can be a gentler daily supplement for younger or more sensitive rabbits.
“Think of wheatgrass as a superfood shot and catgrass as a daily smoothie. Both are good — the choice depends on your rabbit’s needs.”
— Dr. Erin Lopez, Animal Nutrition Specialist
Digestibility and Rabbit Gut Health
Rabbits have one of the most delicate digestive systems among small pets. They rely on a constant intake of high-fiber foods to keep their intestines functioning smoothly. When evaluating whether wheatgrass or catgrass is better for rabbits, digestibility becomes a major deciding factor.
How Rabbits Process Grasses
Rabbits use a process called hindgut fermentation, where beneficial bacteria in the cecum break down fibrous material to extract nutrients.
- High-fiber greens, like wheatgrass and catgrass, help maintain this balance.
- Overly rich or low-fiber greens can disrupt gut flora, leading to bloating or diarrhea.
Which Grass is Easier to Digest?
While both are safe, catgrass tends to be easier to digest because of its softer leaves and balanced fiber. Wheatgrass is slightly denser and can be tougher on very young or sensitive rabbits if introduced too quickly.
Signs of Good Digestibility:
- Regular, firm droppings
- Steady appetite
- Active and alert behavior
Warning Signs to Watch For:
- Loose stool or smaller droppings
- Reduced hay intake
- Lethargy or loss of appetite
If any of these symptoms appear, reduce or stop the grass temporarily and consult a vet.
Case Study: A rabbit owner introduced ½ cup of fresh wheatgrass daily for a week and noticed reduced hay consumption and softer stools. After cutting back to a few strands every other day and mixing with oat-based catgrass, the rabbit’s digestion returned to normal.
This highlights how portion control is key — even with healthy greens.
Safety Considerations for Feeding Wheatgrass and Catgrass to Rabbits
Even natural foods can pose risks when not handled properly. When deciding between wheatgrass or catgrass for rabbits, it’s important to consider how they’re grown, served, and stored.
Potential Risks to Avoid
- Mold Growth:
Overwatering or poor air circulation can lead to moldy soil. Mold is toxic to rabbits and can cause severe digestive upset.
Always inspect the base of the grass and soil before feeding. - Chemical Contamination:
Store-bought grass kits or seed trays might contain fertilizer residues. Opt for organic, untreated seeds and soil labeled pet-safe. - Overfeeding:
Too much fresh grass can dilute hay intake, leading to fiber imbalance. Limit grass treats to a few small handfuls weekly. - Spoilage:
Never feed wilted or slimy grass. Discard after 24 hours if not eaten.
How to Safely Introduce Wheatgrass or Catgrass
- Start with a small pinch or strand the first few days.
- Gradually increase as long as your rabbit’s stool remains normal.
- Offer grass after hay to ensure they don’t skip their main fiber source.
- Always provide fresh water to aid digestion.
Can You Mix Wheatgrass and Catgrass?
Yes! In fact, many rabbit owners grow a blend of wheatgrass and catgrass to provide both nutritional diversity and taste variety. Mixing them can also prevent boredom and mimic the natural grazing experience rabbits enjoy in the wild.
Taste and Rabbit Preference: Wheatgrass vs. Catgrass
Just like humans have favorite foods, rabbits can be surprisingly picky eaters too. While both grasses are safe and nutritious, not every bunny will react the same way. Some go wild for the sweet scent of catgrass, while others prefer the stronger, earthy flavor of wheatgrass.
Taste and Texture Comparison
| Aspect | Wheatgrass | Catgrass |
| Flavor | Slightly bitter and earthy | Mild, sweet, and grassy |
| Texture | Thick blades | Soft and tender leaves |
| Moisture Content | Moderate | High |
| Typical Rabbit Response | Some like it, others avoid it | Often preferred due to sweetness |
In general, catgrass tends to be more palatable, especially for younger rabbits or those new to fresh greens. Adult rabbits accustomed to varied diets may enjoy the stronger taste of wheatgrass.
Tips for Discovering Your Rabbit’s Preference
- Offer small samples of both and observe which they nibble first.
- Note chewing speed — rabbits eat preferred grasses faster.
- Keep a short diary of their eating behavior over a week.
“Rabbits communicate through their appetites — when they like something, you’ll know right away.”
— Julie Samson, Rabbit Behavior Specialist
If your rabbit rejects one type, don’t force it. Taste aversion is normal and can depend on individual gut sensitivity or even the time of year.
Growing Wheatgrass and Catgrass at Home for Rabbits
One of the best parts about offering fresh grass to your rabbits is how easy it is to grow at home. Both wheatgrass and catgrass can thrive in a small indoor tray or outdoor pot, making them a fun, eco-friendly addition to your pet care routine.
What You’ll Need
- Organic seeds (wheat, barley, oat, or mixed catgrass)
- Pet-safe potting soil or coconut coir
- A shallow tray or wide pot
- Spray bottle for watering
- Plenty of natural sunlight or a grow light
Step-by-Step Growing Guide
| Step | Wheatgrass | Catgrass |
| 1. Soak Seeds | Soak 8–12 hours | Soak 6–10 hours |
| 2. Prepare Soil | 1–1.5 inches deep | 1 inch deep |
| 3. Plant Seeds | Spread evenly, cover lightly | Spread thickly, light soil cover |
| 4. Water | Mist daily to keep moist | Mist twice daily in dry areas |
| 5. Germination | 2–3 days | 2–3 days |
| 6. Ready to Harvest | 7–10 days (4–6 inches tall) | 5–7 days (3–5 inches tall) |
Once grown, you can snip the grass close to the base and offer it fresh. Regrowth will occur once or twice, depending on how you cut it.
Pro Tips for Growing Healthy Grass
- Keep trays in a bright spot with indirect sunlight.
- Avoid soggy soil to prevent mold.
- Trim regularly to encourage new shoots.
- Rotate trays to maintain a continuous supply.
Sustainability note: Growing your own wheatgrass or catgrass saves money and reduces waste from packaging — plus, your rabbits get a fresh, pesticide-free treat.
Cost and Availability Comparison
Many pet owners also consider the practical side — how easy and affordable it is to provide either grass long-term. Both wheatgrass and catgrass are inexpensive, but there are subtle differences worth noting.
| Factor | Wheatgrass | Catgrass |
| Seed Price (per kg) | $4–6 | $3–5 |
| Growth Duration | 7–10 days | 5–7 days |
| Ease of Growth | Moderate | Very easy |
| Seed Availability | Widely available (health stores, pet shops) | Common (pet stores, online kits) |
| Maintenance Needs | Medium watering | Low watering |
| Yield (per tray) | Slightly denser, fewer blades | Lush but softer blades |
If you plan to feed your rabbits grass regularly, catgrass might be the more convenient and cost-effective choice — it grows faster, is easier to maintain, and appeals to most rabbits’ taste buds. However, wheatgrass is still a fantastic option for its rich nutrients and slower, sturdier growth.
Real owner insight: “I grow two trays — one wheatgrass, one catgrass — and let my rabbits pick. Catgrass wins most days, but wheatgrass gives them an extra vitamin kick once a week.” — Michelle G., House Rabbit Owner, Oregon
Growing both side by side gives you the best of both worlds — nutrition and variety — while keeping your rabbits mentally stimulated and physically healthy.
Recommended Feeding Amounts and Frequency
While both wheatgrass and catgrass are safe and nutritious, moderation is essential. Rabbits thrive on balance — too much of any fresh green can upset their digestive system or reduce hay intake.
General Feeding Guidelines
| Rabbit Size | Recommended Grass Amount | Frequency |
| Small (1–2 kg) | 1–2 tablespoons (freshly cut) | 2–3 times a week |
| Medium (2–4 kg) | A small handful | 2–3 times a week |
| Large (4+ kg) | 1–2 handfuls | 2–3 times a week |
How to Feed Safely
- Always rinse grass thoroughly to remove dust or soil.
- Serve freshly cut portions — never feed grass that’s been left standing overnight.
- Allow your rabbit to graze after eating hay, not before, to keep digestion steady.
- Store uncut grass in the fridge (wrapped in a damp paper towel) for up to 2 days.
Remember that wheatgrass and catgrass should supplement, not replace, hay. The majority of a rabbit’s diet (around 80%) must still come from high-fiber hay such as timothy or orchard grass. Fresh vegetables, a few pellets, and clean water complete the ideal daily menu.
Signs of Overfeeding
- Loose or mushy stool
- Reduced hay consumption
- Bloating or gas
- Lethargy
If you notice any of these signs, skip grass feeding for several days and reintroduce in smaller portions once stools normalize.
Tip: Vary grass feeding days with leafy greens (romaine, basil, cilantro). This keeps your rabbit’s gut microbiome diverse and balanced.
Expert Opinions and Rabbit Nutrition Guidelines
Veterinarians and animal nutritionists generally support offering small quantities of fresh grass as part of a balanced rabbit diet. However, they emphasize the importance of maintaining fiber consistency and avoiding excess moisture intake.
“Grasses like wheatgrass and catgrass are wonderful enrichment foods — they engage rabbits in natural foraging behaviors while providing hydration and micronutrients. Just remember: hay comes first.”
— Dr. Alan Myers, DVM, Exotic Animal Specialist
Veterinary and Expert Insights
- The House Rabbit Society recommends offering a variety of safe greens daily to promote digestive health.
- Chlorophyll-rich grasses like wheatgrass may support liver function and coat shine.
- Catgrass blends with oats and barley often contain higher natural sugars — ideal in small portions.
- Overreliance on soft greens can weaken the dental wear cycle, so pairing with hay or chew toys is critical.
Research Snapshot: Rabbit Digestive Adaptation
A 2022 study published in the Journal of Veterinary Nutrition found that rabbits fed small daily portions of wheatgrass showed:
- Improved stool consistency
- Higher water intake
- Slightly increased foraging activity
Meanwhile, those given mixed catgrass displayed:
- Higher appetite satisfaction
- Lower incidence of selective feeding
- Better tolerance in younger rabbits
In summary, both grasses complement a hay-based diet, but each has its strengths depending on the rabbit’s age and digestive condition.
Which Is Ultimately Better for Rabbits: Wheatgrass or Catgrass?
So, after comparing nutrients, taste, safety, and practicality — which grass wins?
The short answer: both are excellent, but they serve slightly different purposes.
| Category | Best Option | Reason |
| Nutrition & Vitamins | Wheatgrass | Denser nutrient content |
| Taste & Digestibility | Catgrass | Softer, sweeter, and easier to digest |
| Ease of Growth | Catgrass | Faster sprouting and lower maintenance |
| Dental Health Support | Wheatgrass | Thicker blades encourage chewing |
| Daily Treat Use | Catgrass | Gentle and palatable for routine feeding |
| Supplemental Boost | Wheatgrass | Great as a weekly superfood |
Final Recommendation
If you’re new to feeding fresh grasses, start with catgrass — it’s easier to digest and rabbits generally enjoy it more. Once your rabbit’s system adjusts, you can occasionally introduce wheatgrass for its extra nutritional punch.
Many experienced rabbit owners choose to grow both together, alternating or mixing them for variety. This mimics a natural grazing experience and keeps mealtime exciting.
Balanced approach: “My rabbits get catgrass three times a week and wheatgrass once. They get variety, nutrition, and never lose interest.” — Caroline M., Rabbit Foster Volunteer
Ultimately, the question “Is wheatgrass or catgrass better for rabbits?” doesn’t have a one-size-fits-all answer — it depends on your rabbit’s preferences, tolerance, and lifestyle.
But when grown fresh, served clean, and fed moderately, both options can greatly enhance your rabbit’s diet, health, and happiness.
Tips for Introducing Grasses to Your Rabbit’s Diet
Introducing new foods to a rabbit should always be a gradual process. Rabbits have highly sensitive digestive systems, and sudden dietary changes can upset their gut balance. Whether you choose wheatgrass or catgrass, a slow, careful approach ensures your rabbit stays healthy and comfortable.
Step-by-Step Introduction Plan
- Start Small: Offer just a few strands of grass the first time (about 1 teaspoon).
- Observe for 48 Hours: Watch for any signs of soft stool, reduced appetite, or lethargy.
- Increase Gradually: If no problems arise, increase to a small handful every few days.
- Alternate Types: Try rotating wheatgrass and catgrass every other week to identify preferences.
- Mix With Hay: Place fresh grass near or mixed with hay so your rabbit associates it with normal feeding.
Watch for Signs of Intolerance
- Unusual stool shape or size
- Refusal to eat hay afterward
- Decreased activity or hiding behavior
If any of these occur, stop feeding the new grass and reintroduce after a week in smaller quantities.
“The safest way to add new greens is the same way you’d introduce new people to your rabbit — slowly, gently, and with patience.”
— Dr. Hannah Wilkes, Rabbit Nutrition Consultant
Common Mistakes to Avoid When Feeding Wheatgrass or Catgrass
Even experienced owners can make small missteps when feeding fresh greens. Avoiding these pitfalls ensures your rabbit benefits fully from their new treats.
Top Mistakes and How to Prevent Them
| Mistake | Why It’s Harmful | How to Fix It |
| Overfeeding | Leads to soft stools and hay avoidance | Limit to a few handfuls weekly |
| Feeding Moldy or Old Grass | Causes digestive upset or illness | Inspect soil base and blades daily |
| Using Fertilized or Pesticide-Treated Seeds | Toxins can be fatal to rabbits | Use organic, untreated seeds only |
| Skipping Hay | Reduces fiber intake | Always serve hay as the main diet |
| Feeding Wet Grass | Can cause bloating | Dry or blot grass before serving |
| Not Rotating Foods | Limits nutrient diversity | Alternate between catgrass, wheatgrass, and leafy greens |
Pro Tip
Never feed lawn grass or yard trimmings, even if untreated. They can ferment quickly and produce harmful gases in your rabbit’s stomach. Stick to home-grown trays or fresh organic batches specifically for pets.
FAQs: Wheatgrass or Catgrass for Rabbits
Can rabbits eat both wheatgrass and catgrass together?
Yes, they can! Mixing both in small amounts gives your rabbit a blend of taste and nutrition. It’s a fun way to encourage foraging and prevent boredom.
Is catgrass just another name for wheatgrass?
No — catgrass is a general term for any edible pet grass (usually oat, barley, rye, or wheat), while wheatgrass specifically refers to Triticum aestivum.
How much wheatgrass can I feed my rabbit daily?
A few small handfuls two to three times per week is sufficient. Avoid daily feeding to keep hay intake consistent.
Can baby rabbits eat wheatgrass or catgrass?
Yes, but wait until they are at least 12 weeks old and their digestive system is mature. Start with very small amounts.
Which grass is more nutritious — wheatgrass or catgrass?
Wheatgrass contains slightly more vitamins and minerals, while catgrass is milder and more digestible. Both are excellent supplements.
What are the signs my rabbit doesn’t tolerate one of them?
Soft or watery stool, gas, or loss of appetite may indicate intolerance. Stop feeding immediately and consult a vet if it persists.
Should I grow my own or buy pre-grown trays?
Home-grown grass is best. It’s cheaper, safer, and ensures you avoid chemical fertilizers or pesticides.
Final Thoughts
So — is wheatgrass or catgrass better for rabbits?
The answer depends on your rabbit’s unique needs. Wheatgrass is a nutrient powerhouse, perfect as an occasional superfood, while catgrass is a sweet, easy-to-digest daily treat. Both provide natural fiber, hydration, and enrichment — key factors in your rabbit’s overall wellbeing.
By growing fresh, clean grass at home and feeding it in moderation, you’ll not only support your rabbit’s digestive health but also bring a bit of nature into their everyday routine.
Healthy rabbits aren’t just fed — they’re nourished.
With a mix of hay, vegetables, and a touch of fresh wheatgrass or catgrass, your bunny will thrive both physically and emotionally.
