The best cat grass kits 2021

1. Van Ness Cat Oat Garden Kit

This is a small inexpensive garden kit that’s highly recommended for beginners. The seeds are made in Iowa without GMO and pesticides. The kit includes seeds and a small pot for growing indoors. Growing is pretty easy: seeds sprout in 3-7 days, and the first leaves can be harvested in a day after that.

There is 1 oz of seeds, so this is enough for a single or two harvests. Thus, the product should rather be used when you want to test whether your cat likes oat. According to customer reviews, the pot is quite small, so don’t expect it to be enough for a multi-cat household.


  • Easy growing
  • No GMO
  • Cheap
  • Fast growth cycle


  • The pot is too small and doesn’t hold grass properly
  • Small package


  • Type of grass: Oat
  • What’s included in the kit: Seeds, pot

2. Window Garden – Cat Grass Growing Kit

If you want to buy cat grass with a pot, consider this cute kit. It includes wheat seeds, pot planter and fiber soil – the whole set of objects you will need. Seeds are germinated 2-3 days and fresh grass is ready in 7 days, so this is a fast option. Yet, grass doesn’t last long – it has to be re-seeded. Thus, its option is optimal for multi-cat households, since pets will always enjoy fresh grass. 

The product boasts a high germination rate – many positive customer reviews prove that. The lineup of pots with kittens includes six models. Note that pots are pretty small, so you will need to plant new seeds pretty often. Generally, this is a quality product for the cost.


  • The complete kit
  • HIgh germination rate
  • High rating and many positive reviews


  • Some customers complained about mold growing on the grass
  • Small pot


  • Type of grass: Wheat
  • What’s included in the kit: Seeds, pot with kitty pot planter, fiber soil

3. Cat-About by MiracleCorp Gimborn Single Cat Grass Plus 

If you don’t have experience of growing indoor cat grass, try this set. It includes oat or wheat seeds and a ready container for growing (small or big for multi-cat households). The grass grows as quickly as in one week. Both oat and wheat contain Vitamin B5, niacin, and fiber. 

Also, the set includes vermiculite and Plantagel (potassium propenoate and propenamide copolymers) for easy growing. It requires watering only once, and the germination period is as high as 98%. Thus, it’s a great choice for lazy farmers or beginners.  


  • The complete set for growing
  • High germination rate and quick growth
  • Requires watering only once


  • Many customers’ complaints about mold
  • Grass is easy to tear out of the soil – cats don’t like it


  • Type of grass: Wheat, oat
  • What’s included in the kit: Seeds, plastic container for growing, vermiculite and Plantagel

4. Handy Pantry Organic Cat Grass Kit

This is a comprehensive kit for those who own one cat. It comes with 4 inch X 4 inch growing trays with drain holes, 3 organic soil discs, three packs of pre-measured organic wheatgrass seeds and instructions. This wheatgrass grows very quickly: customers say that their cats enjoy fresh green blades of grass 5 days after planting. 

Wheatgrass contains Vitamins B5, A, E, niacin, fiber and other useful substances. Your cat will enjoy a 100% organic, non-GMO product green from the pot. The package comes with a detailed instruction, so even beginners may figure out how to grow this grass. Such cat grass kits are a great solution for one-two cats!


  • Contains soil discs and several growing trays
  • 100% natural, non-GMO product
  • Optimal pricing


  • Develops mold while seeds are sprouted
  • Customers complain about the small size of planters


  • Type of grass: Wheat
  • What’s included in the kit: Growing trays, soil discs, seeds, instructions

5. The Cat Ladies Organic Pet Compostable Grass Grow Kit

This cat grass kit includes all useful types of plants: wheat, oats, rye, barley and flax. It comes with three compostable bags for growing. That means the entire piece of soil with grass can be grown in your backyard afterwards. The grass takes about 6-8 days to grow, which is an average period. 

This organic GMO-free grass is a great source of nutrients for cats: vitamins A, B, C, E and K, Iron, Lecithin, Calcium, Magnesium, and Pantothenic Acid. This kit can be recommended for kids so they could learn about the basics of botanics and let their pets enjoy the freshly-grown grass.


  • Contains different types of seeds;
  • Comes with compostable bags


  • Bags aren’t aesthetic
  • Containers don’t hold the grass when cats pull it


  • Type of grass: Wheat, oats, rye, barley and flax
  • What’s included in the kit: Mix of seeds, 3 compostable bags

The best cat grass planters 2021

1.LeJoy Garden 2 Sets Sprouter Tray BPA Free PP Soil-Free Densely Small Hole Healthy Wheatgrass Grower

This is a grid sprouter and water container two-in-one for quick and easy growing of wheat, oats, and other grasses. The tray is made from BPA Free PP – safe and non-toxic. Thanks to the smart grid design, seeds and roots are ventilated, which prevents mold formation. Densely small holes allow for growing thick and straight grass blades – this will be an ideal harvest. 

This tray allows for growing grass without soil, which means fewer chemicals and lower chance of bugs and parasites. Additionally, you can put layers of soil discs on the bottom of the tray – that will facilitate cleansing. However, be ready that the grass will be easily pulled out by cats – it’s not hold properly.


  • Densely perforated for rich harvest
  • Large size
  • Non-toxic


  • Some customers complain about mold formation
  • Does not hold grass well when it’s pulled by cats
  • Overpriced

2. Catit Senses 2.0 Cat Grass Planter

This planter is made specifically for greedy cats who love pulling grass blades and chewing on them. Its smart design does not let a pet disturb the soil and roots because it prevents digging and pawing. The tray is made from BPA-free materials, so the grass is safe for both pets and human use. The perforated draining bowl protects from overwatering. 

This is a safe alternative to traditional planting – grass can be harvested without soil, which means no chemicals will be used. In any case, it’s important to water the seeds pretty often. The planter is easy to clean, and it’s suitable for growing with or without soil. Thus, it’s a versatile solution for any type of grass. 


  • Stable and smart design
  • BPA-free and safe
  • Prevents access to soil for a cat


  • The planter is pretty small
  • Pricey

3. Chia Pet Kitty Cat Grass, Decorative Pottery Planter

This set includes everything you need for growing: pottery planter, convenient plastic drip tray and chia seed packets for 3 planting. The growth period is a bit longer than usual: it takes from one to two weeks to see the tall green blades. This grass contains a lot of vitamins (А, С, Е, В1, В2, РР) and minerals (potassium, calcium, magnesium, phosphorous, selen and zinc).

The planter is reusable but rather small, so this is a nice solution for a single cat household. There’s a huge choice of pots, which makes Chia Pet the best cat grass kit from the aesthetics standpoint. The set also includes a bag of soil with dirt without chemicals – let your kitty enjoy 100% organic greenery without pesticides. 


  • Contains everything for growing
  • Wide choice of potters
  • Chia grass is highly nutritious


  • Picky cats don’t like chia
  • Some sets are delivered with items missing (bags of soil or seeds)

4. STAYING Seed Sprouter Tray, BPA Free

If you have a multi-cat household and need to grow a lot of vegetation, this set will be just right for you. This set of five pairs (trays with grid plate) is made of food grade PP plastic without BPO, and growing doesn’t even require soil – just add water, and let your cat enjoy fresh grass without GMO and pesticides. Minimal cat grass care is required, so these trays are perfect for lazy growers. 

Each tray weighs 200 grams, which means it’s heavy enough to hold the grass while it’s being pulled by a cat. The perforation might be too big, but it’s possible to fix seeds with the help of a germinating paper towel. Generally, this is a versatile and safe solution for growing all types of grass and sprouting. 


  • Five trays in the set
  • BPA-free, PP plastic
  • Versatile
  • Optimal pricing


  • Holes are too big for grass
  • Not suitable for growing with soil

5. Watering Animal Planter. Self Watering Planter by MVORVTC

If you plan to be away and don’t have time to take care over grass, consider this self-watering planter. Made in the form of cute animals, it features a moisture soaking tongue that’s placed in a bowl with water. Thus, your cat will enjoy fresh grass with minimal efforts from your side.

The set includes not only the ceramic animal planter, but also a plastic pot, bag of soil, a water bowl and a user manual. You can use the planter to sprout any cat grass seeds. type of grass. Remember that the planter is pretty small, so the grass will be enough for a single cat only. 


  • Self-watering pot
  • Various designs available
  • Comes with soil and water bowl


  • Too small
  • Overpriced

How to grow cat grass indoors?

Step1. Prepare the seeds

Soak seeds ¼ inch deep in water. They should sprout within 2-4 days. Oat seeds may even sprout within 8 hours. If you will grow seeds without soil, they are left moisturized in the tray. If you will grow in the ground, soak seeds for a couple of hours and then bury them 0.5 inches deep in soil. Alternatively, you can place seeds in vermiculite and spray water on it.

Step 2. Maintain optimal temperature

Make sure the planter is located in a warm place away from direct sun rays. Keep the temperature of water/soil a bit higher than in the room. 

Step 3. Water the grass

The first blades of grass will show within 4-5 days. Keep them moisturized by following the instructions and guidelines. If you grow in water, don’t forget to add it. 

Related guides:

  1. How to grow cat grass indoors
  2. How to grow cat grass indoors without any soil

How to grow the cat grass outdoors?

Step 1. Soak seeds

Leave them in warm water for an hour.

Step 2. Sow seeds

Spread them over the ground and cover with a 0.5 inch of fresh soil. Water moderately. In a few days, fresh green blades will show. Your cat may start chewing on the grass a week after planting. 

Step 3. Re-water when necessary

Watch the soil and water it when it gets dry depending on weather conditions. 

Step 4. Promote growth

If your cat doesn’t nibble on the grass as often as you wish, trim it to 1 inch every second week. It will stimulate growth. 


How long does cat grass last? 

Typically, it grows 2-3 weeks before dying. Thus, you should plant seeds every week to supply your cat with fresh vegetation regularly. You can prolong the lifespan of grass by watering it in a timely manner and trimming (especially when grown outdoors). 

How do you take care of cat grass?

Provide proper ventilation for the soil in the planter or the bottom of the tray. Don’t forget to water grass when necessary. Trim it or let your cat chew on it regularly to encourage growth. No fertilizers and special nutrition are required. If you grow outdoors, remove weeds once you see them appear.

How tall does cat grass grow?

When being chewed by a cat, your grass will be about 4 inches high. Yet, when left untouched, it might reach the height of 6-8 inches or higher – it also depends on the size of planter/tray/garden bed. 

What grasses are safe for cats?

The best grass for cats to eat includes barley, oat, wheat, and rye. Also, you can consider chia, catnip, and some other common choices (peppermint, lemon balm, lemongrass, parsley, marigold, rosemary, valery, and carrot tops.

What grasses are dangerous for cats?

Do not let your cat nipple on velvet grass and sorghum, ornamental grass, dieffenbachia, devil ivy, hydrangea, Christmas rose, philodendron, caladium, azalea, and spurge. If your cat chews on room flowers, keep those aways – most of them can be toxic to some extent. 

Is cat grass like catnip?

Not exactly, traditional cat grass contains only nutrients and vitamins, while catnip has some substances which produce a sedative behavioral effect on cats. The essential oils in catnip might change cat’s behavior by either making it drooling and becoming sleepy, or boosting activity. The ‘high’ effect lasts about 10 minutes. 

How to grow cat grass outdoors?

Dedicate a separate garden bed to grass. Plant seeds and cover with a thin layer of soil. Don’t forget to water it regularly and remove weeds when they appear. No additional fertilizing is needed. Trim grass once in 2 weeks to stimulate growth. 

In a word

Grass for cats is more than a medication – this is a valuable source of vitamins, minerals and fibers. By chewing on fresh greenery, your four-legged pal gets rid of hairballs collecting in the stomach and cleanse intestine from parasites. This is a safe and inexpensive option for keeping your pet healthy and happy. 

Further reading: you can do a haircut for your cat to prevent hairballs and matting also.

As you can see in our guide, there is a large choice of options for cat owners. You can either buy a complete kit, or order already grown cat grass. However, the last variant isn’t good because cut grass doesn’t live long. It should be eaten right from the moment of picking.

When selecting seeds, prefer simple and popular options: oat, barley, wheat or rye – most cats like these types of grass. Alternatively, you can try catnip and some safe home plants.

I’m Kimberly Baumgart, a future veterinary physician from Manhattan, Kansas. Volunteering in animal shelters and assisting in the local vet hospital, I help pet owners learn more about feline lifestyle. Read my works on Catpet.Club blog to discover the world of healthy nutrition and well-being for your four-legged friend.

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