We're offering you a Grazers G3 Caterpillar Deterrent 750ml for £7.99, saving you up to 55% off Thompson and Morgan's's price of £17.89 (correct as of 21.04.2026).

Solution: Grazers G3 Caterpillar & Butterfly Deterrent

Protect your plants the natural way!
Grazers G3 Caterpillar & Butterfly Deterrent is a breakthrough for gardeners who want thriving, healthy plants without resorting to harsh chemicals. This 750ml spray uses natural ingredients to create a protective barrier that repels caterpillars and butterflies—preserving your garden’s beauty while maintaining ecological balance.

Why Choose Grazers G3?

• Eco-Friendly Formula: Contains clay and plant extracts that deter pests without disrupting pollinators or other beneficial wildlife.
• Safe for All: Non-toxic to children, pets, birds, bees, and ladybirds—so you can nurture your garden with peace of mind.
• Fast Acting: Delivers immediate protection upon application, helping your plants recover quickly from pest attacks.
• Versatile Use: Suitable for edible crops (like cabbages and brassicas), bedding plants, shrubs, and young trees—ideal for kitchen gardens and ornamental beds alike.

How to Use

• Application: Spray directly onto the foliage of affected or at-risk plants. Repeat every 7–10 days during periods of high pest activity or after heavy rainfall.
• Covers Up To: One bottle treats a generous area—perfect for both small urban gardens and larger allotments.
• No Residue: Safe to use up to the day of harvest on edible crops.

Caring For Your Plants

• Monitor regularly: Check for signs of caterpillar or butterfly larvae on leaves.
• Reapply as needed: Especially after rain or watering to maintain protection.
• No special storage required: Store in a cool, dry place out of direct sunlight.

Garden Design Tips

• Pair with companion plants: Grow alongside marigolds, nasturtiums, or herbs like dill to naturally boost pest resistance.
• Create wildlife-friendly borders: Use Grazers G3 to protect nectar-rich flowers without harming pollinators or birds.

FAQs

• Q: Can I use this on edible crops?
  A: Yes! Grazers G3 is safe for vegetables and fruiting plants—apply up until harvest day.
• Q: How often should I reapply?
  A: For best results, reapply every 7–10 days or after heavy rain.
• Q: Will it harm bees or ladybirds?
  A: No. The formula is non-toxic to pollinators and beneficial insects when used as directed.