Top 5 Cat Grass Seeds: Essential Growing Guide

Does your feline friend ever nibble on your houseplants, leaving you worried about what they might be ingesting? Many cat owners face this common problem. It’s tough to know which seeds will sprout quickly and offer your kitty the safe, tasty greens they crave. You see bags everywhere, but which ones actually grow well indoors and taste great to your discerning pet?

Choosing the perfect cat grass seeds can feel like a guessing game. You want vibrant, healthy grass that sprouts without a fuss, but some seeds just refuse to cooperate. Don’t let disappointing harvests or worries about plant safety keep you from giving your cat this wonderful treat. This post cuts through the confusion.

We are diving deep into the best cat grass seeds available. You will learn exactly what to look for in quality seeds, how to ensure a successful grow, and which varieties your cat will truly love. Get ready to transform your home into a purr-fectly green snack bar for your companion. Let’s explore the best seeds to start your indoor garden today!

Top Cat Grass Seeds Recommendations

No. 1
The Cat Ladies 100% Organic Cat Grass Seeds - Cat Grass for Indoor Cats - (Non GMO) 8 oz
  • High-Quality Wheat Grass Blend: The Cat Ladies' premium wheat grass seed blend is packed with the good stuff. Grown, harvested, and packaged in the U.S., our wheatgrass seeds contain wheat, oats, rye, and barley, which gives our pet grass its delicious, earthy flavor, and makes it a healthy treat.
  • Organic and Non-GMO: It's easy being green now more than ever! Our grass seed blend is organically grown and non-GMO. Loaded with essential nutrients like vitamins A, B, C, calcium, and iron, our pet grass is a superfood that helps with digestion, inflammation, and much more.
  • Easy Come, Easy Grow: Our seed blend grows wheat grass in just 4-7 days. Choose your favorite planter, garden soil (we suggest our organic soil disks!), sprinkle in some wheat seeds, and just add water! You'll see your grass grow up to 4" in just 4-7 days. No green thumb required.
  • For People Too: Wheat grass makes a healthy treat for cats, dogs, rodents, reptiles, and you! Add some grass to your juicing recipes, or mix it in a blender for an energizing wheatgrass shot. You can even make your own wheatgrass powder or eat it fresh.
  • What's Inside: Our seed blend comes in a BPA-free, resealable 8-ounce bag. Each bag contains about 25 plantings or a year's supply of our premium organic grass seeds, so you can always have a fresh batch growing. Read our Cat Ladies insert for easy-to-follow instructions and growing tips.
No. 2
HOME GROWN Non GMO 1 Pound Cat Grass 12,700+ Seeds for Cat & Kittens Oat & Barley Mix 100% Heirloom, Grow Fresh Kitty Grass for Chewing, Pet Grass for Cats Indoor Garden
  • Only the Best Grass for Your Cat - Keep your pets healthy all year round with freshly grown cat grass, from seeds harvested right here in the USA
  • Healthy AND Tasty - Even the most nutritious grass is worthless when your fur buddy gets too fussy, that's why our cat greens are grown for both flavor and nutrition
  • A SUPERFOOD TREAT FOR SMALL PETS: Not just for cats! This nutrient-rich fresh green supplement is a favorite for Rabbits, Guinea Pigs, and Hamsters. It serves as an excellent source of essential vitamins and hydration that dry hay alone cannot provide. Grow a healthy, enriching snack that mimics natural foraging for your beloved small furries.
  • WHEAT-FREE & GENTLE DIGESTION (OAT & BARLEY MIX): Unlike standard wheatgrass which can be coarse and sharp, our exclusive Oat and Barley blend offers a significantly softer texture and a naturally sweeter flavor profile. This tender mix is easier for sensitive stomachs to digest, reducing the risk of regurgitation while effectively aiding in hairball control—perfect for finicky cats who refuse harsh wheat.
No. 3
Back to The Roots 100% Organic Wheatgrass Seeds | 1 Pound Non-GMO | Nutrient Dense, Easy to Grow | Cat Grass Planter Seeds
  • USDA CERTIFIED ORGANIC AND NON-GMO: This 16oz (1lb) bag of wheatgrass seeds for planting is organic and is not treated with pesticides. Safe for consumption by both people and pets.
  • QUICK AND EASY: Simply soak the seeds, water once per day, and you'll have wheatgrass in just 5-7 days. This 1-pound value bag will provide you an organic wheatgrass seed supply for weeks!
  • HEALTHY AND NUTRIENT-DENSE: Our Wheatgrass seeds are packed full of nutrients like Vitamin E, Thiamin, Riboflavin, Niacin, and Vitamin B6, a healthy serving of Zinc and Manganese and more; perfect for juicing into your smoothies or use as a healthy treat for your cat.
  • CATS LOVE IT: Also known as cat grass, wheatgrass plants are high in fiber and protein, which aids in digestion and naturally reduces hairballs.
  • SATISFACTION GUARANTEED: Made in the USA and 100% Guaranteed to Grow. If you are not satisfied, simply message us and we will send you a Back To The Roots replacement or provide a refund.
No. 4
Cat Grass Seeds Mix - 5,200 Non-GMO Heirloom Seeds for Cats & Pets, 4 oz Pack for Growing Fresh Barley, Oat, Rye & Wheat Grass Seeds for Planting, Indoor Plants for Pets, Hairball Remedy for Cats
  • Premium Cat Grass Seeds Mix: 4 oz pack contains over 5,200 Non-GMO heirloom grass seeds for indoor cats, including a premium mix of Barley, Oats, Wheat and Rye. Our indoor plant seeds boast 90%+ germination rate, proven through rigorous testing. Perfect for growing fresh indoor grass for cats, it’s a natural, healthy cat grass treats that promote digestion and reduces hairballs.
  • Innovative Cat Grass Seed Packaging: Organo Republic cat grass seeds come in a waterproof resealable seed bag protects grass seeds from sunlight and moisture, allowing secure storage for successful planting now or later, ensuring freshness and high germination rates. The package features QR codes to online growing guide, making it easy for gardeners of all levels to grow fresh indoor grass for cats and pets. We prioritize sustainability to ensure environmental safety.
  • Natural Remedy for Cats: Cat grass works as a natural hairball remedy, helping move fur through the digestive system. Packed with vitamins A and C, it boosts immunity, while chlorophyll detoxes and supports liver health. Chewing the grass cleans pet's teeth and reduces plaque, keeping your cat happy and thriving.
  • Grow Cat Grass Anywhere, for Any Pet: Perfect for indoor trays or backyard planting, cat grass grown from our seeds suits cats, dogs, rabbits, turtles, and birds alike. With a superior germination rate, you’ll grow your own cat grasse year-round. Easy to grow in any setting, these high-quality seeds ensure a delicious, healthy cat grass treats for your pets. Plus, it’s the ideal gift for pet lovers!
  • US Sourced Premium Cat Grass Seeds: We source our seeds only from the most trusted and sustainable seed suppliers and farmers. We proudly test and package them in our Florida Boutique Family-Owned Facility to provide you with the best quality. Our cat grass seeds for planting undergo rigorous testing with a 90%+ germination rate. Sealed to last for up to 2 years, you can trust the freshness and viability of our cat grass seeds.
No. 5
Groundio Cat Grass Seeds, 4 Oz, Non-GMO Wheat Cat Grass Seeeds & Oat Seeds Mix, High Germination Cat Grass Seeds Grown in USA for Indoor Cats
  • Grows in 4-7 Days: The entire growth period of cat grass is about 2-3 weeks. After germination, cat grass grows rapidly and can grow to 5-10 cm in about 4-7 days. When it grows to 10-20 cm, cat grass reaches its best condition
  • Soaking and germination: Before planting, soak the seeds in water for 6 hours, then spread the seeds evenly on the soil surface, lightly cover with a layer of thin soil about 1 cm, then water thoroughly, and place them on a sunny and well-ventilated indoor window sill
  • Wheat, oats mixed seeds: Groundio cat grass seed consists of wheat seed and oat seed. Wheatgrass contains more fiber while oatgrass leaves are more tender, plus the seed is packaged in a reusable waterproof Ziploc bag that protects the seed from sunlight and moisture
  • For Pets Health: Cat grass promotes gastrointestinal peristalsis, spits out hairballs, improves digestion, improves the cat's appetite, exercises the cat's oral muscles and maintains oral health
  • Premium Seeds, Your Trusted Choice: The Groundio's cat grass seeds are carefully selected from premium varieties. To ensure high germination rates, we source our seeds from trusted seed suppliers and farmers
No. 6
HOME GROWN Organic Cat-Grass Seed Mix (Oat & Barley) – 4 oz – Easy Indoor Planter
  • PREMIUM ORGANIC CAT GRASS OAT BARLEY MIX. Specially selected heirloom oat and barley seeds grown organically in the USA.
  • NOT for human or animal consumption until grown
  • SUPPORTS INDOOR ENRICHMENT AND NATURAL BEHAVIORS. Fresh greens keep indoor cats stimulated, connected to nature, and more content in their environment.
  • YEAR-ROUND INDOOR GROWTH – FAST GERMINATION, EASY CARE. Grow a constant supply of cat grass indoors with minimal effort. Our mix offers fast sprouting, lush compact growth, and peak freshness with simple care: mist watering, good lighting, aerated soil, and light trimming. The 4 oz supply ensures a steady cycle of nutrient-packed greens all year long.
No. 7
Organo Republic Cat Grass Seeds Mix - 20,800 Non-GMO Heirloom Seeds for Cats & Pets, 16 oz Pack for Growing Fresh Barley, Oat, Rye & Wheat Grass Seeds for Planting, Indoor Plants, Hairball Remedy
  • Premium Cat Grass Seeds Mix: 16 oz pack contains over 20,800 Non-GMO heirloom grass seeds for indoor cats, including a premium mix of Barley, Oats, Wheat and Rye. Our indoor plant seeds boast 90%+ germination rate, proven through rigorous testing. Perfect for growing fresh indoor grass for cats, it’s a natural, healthy cat grass treats that promote digestion and reduces hairballs.
  • Innovative Cat Grass Seed Packaging: Organo Republic cat grass seeds come in a waterproof resealable seed bag protects grass seeds from sunlight and moisture, allowing secure storage for successful planting now or later, ensuring freshness and high germination rates. The package features QR codes to online growing guide, making it easy for gardeners of all levels to grow fresh indoor grass for cats and pets. We prioritize sustainability to ensure environmental safety.
  • Natural Remedy for Cats: Cat grass works as a natural hairball remedy, helping move fur through the digestive system. Packed with vitamins A and C, it boosts immunity, while chlorophyll detoxes and supports liver health. Chewing the grass cleans pet's teeth and reduces plaque, keeping your cat happy and thriving.
  • Grow Cat Grass Anywhere, for Any Pet: Perfect for indoor trays or backyard planting, cat grass grown from our seeds suits cats, dogs, rabbits, turtles, and birds alike. With a superior germination rate, you’ll grow your own cat grasse year-round. Easy to grow in any setting, these high-quality seeds ensure a delicious, healthy cat grass treats for your pets. Plus, it’s the ideal gift for pet lovers!
  • US Sourced Premium Cat Grass Seeds: We source our seeds only from the most trusted and sustainable seed suppliers and farmers. We proudly test and package them in our Florida Boutique Family-Owned Facility to provide you with the best quality. Our cat grass seeds for planting undergo rigorous testing with a 90%+ germination rate. Sealed to last for up to 2 years, you can trust the freshness and viability of our cat grass seeds.
No. 8
Sow Right Seeds - Cat Grass Seeds for Planting - 100% Sweet Oats - Non-GMO Heirloom Healthy Greens for Cats and Dogs - Easy to Grow - Safe & Natural Indoor Use - Ideal for Pet Lovers
  • Spoil Your Cats - Most cats love to nibble on fresh grass because they need vitamins and nutrients too! Contains 100% oat seed because oat grass is sweeter than other grasses. This Cat Grass will grow quickly and give you a bit of green to enjoy. Minimum of 10g per packet (about 450 seeds).
  • 100% Natural - Know exactly what you are giving your cat by growing your own. It’s super easy to grow and you can be sure it is 100% natural and safe for your cat to enjoy.
  • Productive - Cat Grass germinates in 10-20 days when soil temps are 60-70°F. Plant 1/8” deep and scatter seed apart in an area with partial shade This variety will grow 4-6”’ tall and will mature in 60-90 days, plant in USDA Zones 3-11.
  • Easy to grow - Instructions included on each packet. Plus, we are available to answer all your questions. If these seeds don’t germinate, we will happily make it right for you.
  • Safe and Sustainable - Our operation is fully solar powered, and Sow Right Seeds has taken the Safe Seed Pledge to sell only fresh Non-GMO heirloom seeds for you and your family.

The Ultimate Buying Guide: Growing Happy Cat Grass

Does your indoor cat often eye your houseplants with suspicion? Do you want to give your feline friend a safe, tasty, and healthy snack? Cat grass is the answer! This guide helps you choose the best seeds for a thriving patch of green goodness.

Key Features to Look For

When you shop for cat grass seeds, look for specific things. These features ensure you get a successful and safe harvest for your cat.

1. Seed Variety and Type

  • Oat, Wheat, or Barley: These are the most common types. They grow quickly and are easy for cats to digest. Wheat grass is often the favorite.
  • Rye: Rye seeds can also work well. They produce slightly different textures.

2. Germination Rate

The germination rate tells you how many seeds will actually sprout. Look for a high percentage, usually listed on the package (aim for 80% or higher). A high rate means less waste and faster results.

3. Organic Certification

If possible, choose organic seeds. This means the seeds were grown without harsh chemical pesticides or fertilizers. Cats are sensitive, so clean food is always better.

Important Materials and Contents

What should be inside the bag you buy?

Seed Purity

Good quality seeds have very few other bits mixed in—like dirt, husks, or weed seeds. High purity means healthier grass. Check the packaging for purity guarantees.

Growing Medium (If Included)

Some kits include soil or coco coir (a coconut fiber). Coco coir is often cleaner and lighter than regular potting soil. Ensure the included medium is sterile to prevent mold growth.

Factors That Improve or Reduce Quality

The quality of the final grass depends on the seeds you start with and how they are stored.

Factors That Improve Quality

  • Freshness: Seeds lose their ability to sprout over time. Buy seeds from reputable sellers who move inventory quickly.
  • Proper Storage: Seeds stay best when kept cool, dry, and dark before you plant them.

Factors That Reduce Quality

Avoid seeds that:

  • Smell musty or damp. This suggests mold or poor storage.
  • Are very old or have been sitting on a dusty shelf.
  • Are treated with any chemicals you do not recognize.

User Experience and Use Cases

How will you and your cat use this grass?

Ease of Growing

For beginners, choose seeds known for fast, easy sprouting (like oat grass). If you have a busy schedule, look for kits that require minimal daily attention.

Cat Appeal

Some cats prefer the thin, delicate blades of wheat grass. Others like the slightly tougher texture of barley. If you have a picky eater, try a mixed seed pack first to see what your cat prefers.

Use Cases

  • Hairball Relief: Cats eat grass to help move indigestible material through their system.
  • Enrichment: Growing something green indoors provides mental stimulation for indoor cats.
  • Safe Chewing: It gives cats a safe alternative to chewing on houseplants that might be toxic.

Frequently Asked Questions (FAQ) about Cat Grass Seeds

Q: How long does it take for cat grass seeds to sprout?

A: Most common types, like wheat or oat, sprout quickly. You should see small green shoots poking up within three to seven days, depending on the temperature of your room.

Q: Can I use regular lawn grass seed instead of cat grass seed?

A: You should not. Many lawn grasses are treated with fertilizers or pesticides that are harmful to cats. Stick to seeds specifically labeled for pet consumption.

Q: How often should I water my cat grass?

A: Keep the soil consistently moist, like a wrung-out sponge. Do not let it get soggy, as this encourages mold. Water gently, usually once a day, until the grass is established.

Q: Where is the best place to grow the cat grass indoors?

A: Cat grass needs light to grow strong. Place the container near a sunny window, ideally one that receives several hours of bright, indirect sunlight each day.

Q: What is the difference between cat grass and catnip?

A: Cat grass is a general term for safe cereal grasses (oats, wheat) that aid digestion. Catnip is a specific herb that affects many cats’ behavior (making them playful or relaxed).

Q: Can I reuse the seeds after the first batch dies?

A: You generally plant a new batch each time. Once the grass is heavily chewed or starts to yellow, it is best to compost the old soil and plant fresh seeds for the best taste and nutrition.

Q: Are there any safety concerns if my cat eats too much grass?

A: Eating too much grass can sometimes cause mild vomiting, which is often the cat’s way of clearing its stomach. If your cat eats large amounts daily, monitor them, but generally, it is safe.

Q: Do I need special soil to grow cat grass?

A: While dedicated cat grass soil works well, you can use standard, sterile potting mix. Avoid dirt from your garden, as it might contain pests or diseases.

Q: How long will the grass last once it grows tall?

A: If your cat grazes lightly, the grass can last a couple of weeks. If your cat loves it, you might need to replant every week to ten days to ensure a continuous fresh supply.

Q: What if my seeds do not sprout at all?

A: This usually means the seeds were old or the water temperature was too cold. Try soaking the seeds in lukewarm water for a few hours before planting them again, or try a fresh, newer batch of seeds.