Blue-Gem Premium Blue Spray Marker Dye
From £22.99 per pack
In stock

Product Description
Take your garden treatments to the next level with Blue-Gem® Premium Blue Spray Marker Dye – the ultimate solution for precise herbicide and pesticide application. If you’re looking to avoid over-spraying or missing spots, this blue spray dye for gardens is a game changer. Simply mix this non-toxic spray dye into your spray tank, and you’ll be able to see exactly where you’ve sprayed, ensuring perfect coverage every time!
Ideal for all your garden treatments, Blue-Gem® works seamlessly with herbicides, pesticides, fungicides, liquid fertilisers, and even moss killers. Whether you’re applying weed control dye or a fungicide spray dye, this temporary garden dye is completely safe for the environment and your plants, giving you peace of mind as you treat your garden.
Why You’ll Love Blue-Gem®:
- Temporary spray dye that fades naturally with sunlight or washes away with rain – no permanent staining!
- Reduces overdosing and eliminates the need to respray, saving you both time and money.
- Spray dye for accurate application, ensuring no area is missed or over-sprayed.
- Perfect for use with herbicides, fungicides, insecticides, liquid fertilisers, and even moss killer spray dye.
- Non-toxic spray dye, safe to use around plants and pets.
How to Use:
- Half fill your spray tank with clean water.
- Add the required amount of Blue-Gem® dye and agitate.
- Add your herbicide, pesticide, or liquid fertiliser.
- Fill the tank to the desired level and start spraying!
Tips:
- Always wear gloves to avoid staining your hands.
- Avoid spraying on areas you don’t want dyed temporarily.
- Great for all kinds of treatments in the UK, from spring weed control to preparing for the colder months.
Blue-Gem® makes sure you get your garden treatments exactly right with minimal waste and maximum efficiency.
This wildflower pack contains Plants For Pollinators seed species. These species are indicated with '*'
Learn more on the RHS website here.
Key Species In This Mix
Pack Coverage
Recommended Seed Sowing Rate
Fertiliser Application Rate
35-70g per m²
Grass Cutting Height
Seed Species Mix
Mix Ratio
Wildflower Species Mix
Grass Species Mix
Pack Weight
Particularly Enjoyed By
Feed Mix
Feeding Methods
Speak To Our Team
Of Seed Experts
You can speak to a seed expert between 8.30am and 5.00pm, Monday to Friday. Simply call, email, or send us an instant message via the chat icon to the right of your screen.
Blue-Gem Premium Blue Spray Marker Dye
From £22.99 per pack
In stock
- Fades naturally with sunlight or washes away with rain
- Works seamlessly with all garden treatments
- Reduces overdosing and eliminates the need to respray

Products in this bundle
Needing larger quantities?
Pack Coverage
Seed Sowing Rate
Fertiliser Application Rate
35-70g per m²
Grass Cutting Height
This Mix Contains
Mix Ratio
Wildflower Species Mix
Grass Species Mix
Pack Weight
Particularly Enjoyed By
Feed Mix
Feeding Methods
Season
Speak To Our Team
Of Seed Experts
You can speak to a seed expert between 8.30am and 5.00pm, Monday to Friday. Simply call, email, or send us an instant message via the chat icon to the right of your screen.
Ways We Supply Seed To You
Online Shop
Bulk Buy
Wholesale
White Label
Buy our extensive range of seed products in 0.5kg – 60kg packs online with free delivery
Get heavily discounted prices when you buy 8 or more packs of any seed
Order by the pallet load at wholesale prices. Custom mixes of over 200 seed species
We mix seed to your specification and package it in your own branded packs ready for sale
Online Shop
Bulk Buy
Buy our extensive range of seed products in 0.5kg – 60kg packs online with free next day delivery
Get heavily discounted prices when you buy 8 or more packs of any seed
Wholesale
White Label
Order by the pallet load at wholesale prices. Custom mixes of over 200 seed species
We mix seed to your specification and package it in your own branded packs ready for sale
Online Shop
Bulk Buy
Get heavily discounted prices when you buy 8 or more packs of any seed
Wholesale
White Label
Order by the pallet load at wholesale prices. Custom mixes of over 200 seed species
We mix seed to your specification and package it in your own branded packs ready for sale