Cat grass comes as seeds, growing kits and potted plants, giving you a choice between sowing your own and buying established grass. Our overall pick is the Catit Senses 2.0 Grass Planter, a grass growing kit intended for indoor cats.
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The shortlist compares product type, stated size and pack format using the supplied names. Stock and buyer reviews change often, so check both on the product page before you order.
Should I Choose Seeds, A Growing Kit Or A Potted Plant?
Seeds suit owners happy to sow in their own container, growing kits offer a packaged option, and potted plants avoid starting from seed. The Catit planter is described as a growing kit for indoor cats, while the Catit pack of three is intended for the Senses planter. Carbeth lists Zumula in 13 cm pots, with single plant and two plant options. For ready to eat grass, the Cat Mommy listings explicitly describe fresh live plants. Compare what each pack contains before you buy, especially if you need a separate container. Chew sticks and the tissue paper mat are different product types, not substitutes for a planted pot.
How Do These Cat Grass Kits and Plants Compare?
The table pairs each kit, seed pack or plant with the home it suits and one detail from its listing, such as pack size or pot size. Check the windowsill or shelf space first, as trays and pots need steady light.
| Product | Good Choice For | Key Detail |
|---|---|---|
| Catit Senses 2.0 Grass Planter | Indoor cats wanting a planter | Senses 2.0 growing kit |
| Catit Cat Grass Kit for the Catit Senses | Refilling a Catit planter | Pack of 3 refills |
| Cat Grass x 4 Pack | Sowing in rotation | 4 grow your own kits |
| Vitakraft Cat Grass 120g | A simple single seed kit | 120 g pack |
| Cat Grass x4 Pack | Owners wanting quick growth | 4 pack, just add water |
| Webbox Cat Grass Kit 120g | A budget grow kit | 120 g kit |
| Carbeth Plants 2 x Cat Grass Zumula in | Two ready grown pots | 2 x 13 cm pots |
| Carbeth Plants Cat Grass Cyperus Zumula in 13cm | A single live plant | 13 cm pot |
| OSDUE Cat Grass Teething Stick | A chew rather than grass | 120 g dental sticks |
| Johnson’s CAT Grass | Oat grass from seed | Avena sativa seeds |
How Do I Choose The Right Pot Size?
Match the pot or planter to the space you can provide, rather than choosing by pack weight alone. Measure the usable width and depth of your chosen surface in cm, allowing room for a saucer if one is needed. The Carbeth options state 13 cm pots, but the names do not give plant height or confirm every external measurement. Check the full pot dimensions if the fit is tight. For the Catit planter and other kits without measurements, check the container’s footprint before deciding. A 120 g pack weight describes quantity, not how much space the planted container will occupy.
Is A Multipack Better Than A Single Kit?
A single pack suits an initial purchase, while a multipack may suit owners planning several rounds of growing. Catit lists three kits for its Senses planter, and Cat FurNature offers both four growing kits and a separate four pack refill listing. These are not necessarily identical purchases, so check the contents and container requirements. The purr paw four pack says to add water and advertises growth starting in five days, but that is not a stated ready to eat date. When comparing packs, check whether a quoted weight covers one unit or the whole pack, then confirm how unused contents should be stored.
How Long Does Cat Grass Last Once It Has Grown?
Most grown cat grass stays fresh for around two to three weeks before the blades start to yellow, flop or turn tough. For a steady supply, sow a new tray or pot every couple of weeks, so a fresh batch is ready as the old one fades. Keeping two containers on the go makes this simple, and seed packs are usually the cheapest way to do it.
You can stretch the life of a batch with a little care. Stand it in bright light, but out of strong midday sun behind glass, and water lightly so the base stays damp rather than soggy. Trim brown tips with scissors, and throw the whole batch away at the first sign of mould, mildew or a sour smell. Live potted plants last longer than sprouted seed, but still need repotting or replacing once they thin out. It is normal for some cats to bring up a little grass after eating it, but frequent vomiting, or a cat that suddenly eats large amounts of cat grass, is worth a vet check. Keep lilies and other toxic houseplants well away from any area where your cat grazes.
You may also find our guide to quiet cat water fountains and the microchip cat flaps guide useful.
Frequently Asked Questions
Is Cat Grass Safe for Cats?
Oat, wheat and barley grass are safe for cats to nibble, and it is normal for some cats to bring a little back up afterwards. Grow it without fertiliser or pesticide, cut it back once it gets long and tough, and keep it well away from lilies, which are highly toxic to cats even in small amounts. See your vet if your cat vomits often.
How Do You Grow Cat Grass?
Use a growing kit or cat grass seeds, following the pack’s directions for light and watering. Keep the growing medium moist rather than waterlogged, and wait until the grass reaches the recommended stage before offering it to your cat.
How Do You Plant Cat Grass?
Plant the seeds at the depth and spacing stated on their packet, using the recommended growing medium. Water as directed and place the container where the instructions advise.
How Do You Grow Cat Grass Without Soil?
Choose a kit that explicitly supports growing without soil, and follow its instructions for the growing medium and water level. A label saying ‘just add water’ does not confirm that the kit is soil free, so check its contents.
How Do You Grow Cat Grass From Seed?
Check if your seed packet recommends soaking before sowing, rather than assuming every type needs it. Sow at the stated depth, follow the watering instructions and keep a note of when the seeds were planted.
Last reviewed: 21 October 2026.
Cat Grass to Compare
Catit Senses 2.0 Grass Planter
Indoor cat owners wanting a dedicated growing container may favour this Catit planter, which is presented as a grass growing kit.
Catit Cat Grass Kit for the Catit Senses
Existing Senses planter owners can choose this pack of three grass kits, named specifically for that growing system.
Cat Grass x 4 Pack
Households planning several sowings may appreciate Cat FurNature’s four growing kits rather than choosing a single kit.
Vitakraft Cat Grass 120g
Buyers comparing cat grass by weight have a stated 0.12 kg pack here, making quantity comparisons more straightforward.
Cat Grass x4 Pack
Growers seeking a just add water option can consider this four pack, advertised to start growing in five days.
Webbox Cat Grass Kit 120g
First time growers looking for a cat grass kit can consider Webbox’s option, listed at 0.12 kg.
Carbeth Plants 2 x Cat Grass Zumula in
Homes wanting two potted plants can choose this Zumula pair, supplied in pots listed at 13 cm.
Carbeth Plants Cat Grass Cyperus Zumula in 13cm
Those seeking one potted plant rather than a pair have this Cyperus Zumula option in a 13 cm pot.
OSDUE Cat Grass Teething Stick
Owners seeking a chewing option rather than planted grass can consider these sticks, described as catnip toys.
Johnson’s CAT Grass
Anyone choosing grass by its stated plant name may prefer Johnson’s option, which identifies it as Avena sativa.