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Cat repellent spray for the garden

Updated: 23 October 2026

The lawn is the toilet again, usually a neighbour's cat, and the bottle you are considering will not fence the garden for a season. A cat repellent spray for the garden, in this set, means a short-term citrus layer on soil or a hard surface, washed off by British rain, and often followed by fouling the next day. The Products Compared editorial team used the saved amazon.co.uk extract for the outdoor citrus cat spray, £12.99 for 1 litre, with 2.8 from 22 ratings, plus Royal Horticultural Society and RSPCA guidance. This is not a laboratory test, and it does not review ultrasonic stakes or water jets. The full spray table is the [cat repellent spray comparison](/hub/pest-control/cat-repellent-spray).

The lawn is the toilet again, usually a neighbour's cat, and the bottle you are considering will not fence the garden for a season.

Our top picks

n/a Anti-scratch cat spray, 150 ml

Best overall

n/a Anti-scratch cat spray, 150 ml
6.2/10about £14.99
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Cooper and Gracie Cooper and Gracie Urine Stop, 250 ml

Rank 2

Cooper and Gracie Cooper and Gracie Urine Stop, 250 ml
8.4/10about £9.99
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n/a Outdoor citrus cat spray, 1 litre

Best value

n/a Outdoor citrus cat spray, 1 litre
5.9/10about £12.99
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On this page
  1. 1.What an outdoor spray can realistically do
  2. 2.What UK buyers of this litre reported
  3. 3.Covers, pebbles, and planting beside the bottle
  4. 4.Neighbour cats and the law

What an outdoor spray can realistically do

The Royal Horticultural Society is plain about scent repellents. They are short-term, they wash off, and they need frequent reapplication. Methyl nonyl ketone on the RHS page is an example of a commercial repellent, not the ingredient list of this litre. Inside this set, the outdoor listing with a stated litre is the citrus spray at £12.99. It is ready to use, with no mixing, for gardens, lawns, beds, patios, paths and hard surfaces, and the bullets say reapply after heavy rain. That is repeat treatment of the spots you can reach, not a wet-fortnight barrier. A 150 ml indoor mist that mentions gardens in passing is the wrong tool for a lawn. How often to come back is on the how to use page. The checks before you pay are on the buying guide.

What UK buyers of this litre reported

Twenty-two ratings at 2.8 already disagree, and they are a small file beside a 6,000-review marking spray. A quiet week in one garden is not a season-long result. The edible-plant question is unanswered, so this page does not clear vegetable beds or herbs. The RSPCA does not recommend a homemade chilli or vinegar top-up. Why this litre is best value on fill, and not the top pick for indoor marking, is on the best cat repellent spray page.
n/a Anti-scratch cat spray, 150 ml

Testsieger

n/a Anti-scratch cat spray, 150 ml
6.2/10about £14.99
View offer

Covers, pebbles, and planting beside the bottle

A failed dawn check is not a reason to reach for a harsher chemical. The RSPCA's garden advice stays with the ground itself: pebbles or a rough surface where a cat wants bare soil, dense planting, and a motion sprinkler as a separate device. The RHS allows netting over a small bed, not over the whole plot. Those covers stay put when rain takes the citrus off. A prickle strip, a pepper dust, an ultrasonic stake or a water jet is a different purchase. This page did not review them.

Neighbour cats and the law

A neighbour's cat is allowed to roam. The RSPCA's line is that you do not poison it, use an unlicensed deterrent, or harm it because the lawn was used again. None of the seven extracts print an HSE authorisation number. That is not a finding that this litre is approved, and it is not a finding that it is illegal. A spray that washed off is a reason to reapply, to cover the bed, or to talk to the neighbour. It is not a reason to injure the cat.

Common questions

Will a citrus spray stop a neighbour's cat using the lawn as a toilet?
It might reduce visits for a short time, and it might not. Some of the 22 reviews report fewer visits, and others report fouling the next day or a cat on a sprayed fence within 30 minutes. The RHS says scent repellents wash off, and the listing says reapply after heavy rain. Remove the mess first, or you are spraying over the signal that brought the cat back.
How often do I re-spray after British rain?
After heavy rain, if you are using this litre, because that is the line on the listing. The RHS says the same class of product needs frequent reapplication in wet weather, and Scottish garden guidance repeats that point for heavier rainfall. There is no square-metre dose in the extract. A light shower on a patio edge can be enough to end the morning's spray.
Is the 1 litre bottle better value than a 150 ml mist for a garden?
On millilitres per pound, yes. £12.99 for a stated litre is the most liquid in this set. The £14.99 anti-scratch mist is 150 ml, about £100 a litre, and its main surfaces are sofas, carpets and wires. Other bottles mention gardens in a bullet and do not state a litre. Better value on fill is not a high star rating. This litre is 2.8 from 22.
Can I use the spray on vegetable beds?
The extract prints that question and does not answer it. This page does not clear the litre for vegetables, herbs, or anything you will eat. Keep it off food crops. Do not assume citrus on the label means a kitchen ingredient that is fine on a salad bed. If the lawn result disappoints you, the next step is a cover or a conversation.
Can I hurt the cat, or use a homemade chilli mix?
Do not harm the cat, and do not use a homemade chilli, vinegar or garlic mix. The RSPCA does not recommend homemade deterrents, and it warns against poison and against hurting an animal that is roaming. A water jet, if you use one at all, is a different product, aimed near the cat rather than at it. A failed spray is not a reason to escalate.
When is a neighbour dispute a council matter rather than a bottle?
When a polite ask has failed and you believe the fouling may be a statutory nuisance, the route the RSPCA describes is the local council, under the Environmental Protection Act 1990 in England. A 2026 Caerphilly case required a council to reconsider a complaint. It did not decide that every fouling case is a nuisance, and it did not promise you a result. The bottle is not that legal step.

Related pages

Cat deterrent spray for furniture

Cat repellent spray

Best cat repellent spray: for marking or the garden

Cat repellent spray buying guide: fill, place, stars

How to use cat repellent spray: spot, clean, repeat

Sources

Public UK sources used for this comparison. Shelf prices, stars and review counts are the amazon.co.uk figures on extracts saved before 21 October 2026. Last checked 20 October 2026.

  1. RSPCA: cats in gardens (retrieved 20 October 2026)
  2. RSPCA advice on deterring cats (retrieved 20 October 2026)
  3. RHS: cats in the garden (retrieved 20 October 2026)
  4. HSE: regulated biocides (retrieved 20 October 2026)
  5. HSE: using biocides (retrieved 20 October 2026)
  6. HSE: UK authorised biocidal products (retrieved 20 October 2026)
  7. Animal Welfare Act 2006, section 4 (retrieved 20 October 2026)
  8. Cats Protection: scratching (retrieved 20 October 2026)