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🌱 Defend your garden naturally—because your crops deserve the best!
JBA Blight Guard is a 500ml natural concentrate designed to prevent foliar blight in potatoes and tomatoes. It produces up to 250 litres of spray, is safe for bees, chemical-free, and remains effective even after rain. Applied weekly during the growing season, it helps maintain healthier crops by reducing blight risk but does not cure existing infections.
| ASIN | B06Y18FZ3R |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 46,122 in Garden ( See Top 100 in Garden ) 70 in Vegetable Plant Fertilisers |
| Coverage | Makes up to 250 litres |
| Customer Reviews | 4.2 4.2 out of 5 stars (171) |
| Date First Available | 17 April 2017 |
| Item Package Quantity | 1 |
| Item Weight | 500 g |
| Manufacturer | JBA Seed Potatoes |
| Material | Natural |
| Product Dimensions | 23 x 8 x 5 cm; 500 g |
| Shape | Bottle |
| Size | 500ml |
| Special Features | 100% Natural Product |
| Specific uses | Help protect against Blight in Potatoes & Tomatoes |
| Volume | 500 Millilitres |
G**S
A good cost effective blight control
Seems to be able to stay active after rain where other sprays wash off
M**N
Tomato blight spray
I have used it once, it has to be used every week. It is too early to tell how effective it is against tomato blight. Time will tell
D**E
Blight treatment.
Very impressed with this product. Every year I’ve had blight on my tomatoes. But having used this product in summer 2025 I had no cases of blight at all!! Let’s see what happens in 2026?
R**R
Will it stop potato blight
Used to try and avoid potato blight used once too early to know how useful this product will be
C**E
Easy to use
Product can be used pretty quickly. No worries and no lengthy wait.
J**M
Worked well
Arrived promptly and was as described, worked well, protected outside tomato plants
D**E
Good product
Does exactly what it says
G**K
easy to use bottle pour system
working a treat tatties looking braw.
Trustpilot
1 month ago
1 month ago