Garden Nursery Products
Gold Coast · Est. 1979

Barricade Pre Emergent 5LTR

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Barricade Pre Emergent 5LTR

$855.55 Inc GST

Barricade Pre Emergent Herbicide 5 Litres is a selective pre emergent that stops weeds before they germinate in established turf, garden beds and potted plants. Using the active ingredient Prodiamine, it provides long lasting residual control for up to six months when applied before weed emergence. Ideal for seasonal use in early spring or late summer to early autumn for strong preventative weed management.

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SKU: 038-347 Categories: , , Brand:

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Description

Barricade Pre Emergent 5LTR

Additional information

Weight6 kg
Dimensions44 × 31 × 16 cm
Size

5L

Safety Data Sheets (SDS)

Herbicide Label

Application Rates

Garden Sprayer

• Use 30 mL per 10 litres of water
• Covers 100 square metres

Watering Can

• Mix 3 mL in 9 litres of water
• Apply evenly over 10 square metres

Timing

• Apply before weed emergence
Early spring for summer weeds
Late summer to early autumn for Winter Grass
• Residual control lasts up to six months

Watering In

• Lightly water in within 24 hours
• Do not water to runoff for three days after application


Garden Beds and Potted Plants

Garden Sprayer

• Use 40 to 80 mL per 10 litres of water
• Covers 100 square metres

Watering Can

• Mix 4 to 8 mL in 9 litres of water
• Apply evenly over 10 square metres

Timing and Notes

• Apply before weed emergence
• Up to 4 months control in potted plants
• Up to 6 months control in garden beds under mulch
• Use higher rates in areas with high weed pressure
• Apply to the soil and wash in before mulching
• Wash in with a minimum of 3 mm of irrigation or rainfall

Tips for Use

Gently agitate the 5 Litre container before opening
Rotate or rock the container so the prodiamine particles re-suspend evenly before mixing.

Mix correctly using the label method
Add half the water first, add the measured Barricade dose, then top up with the remaining water. Agitate the sprayer or watering can before applying. Mix only enough solution for the day.

Apply before weeds germinate
Barricade controls weeds only at the germination stage. Existing weeds must be removed with a post emergent first.

Use the correct seasonal timing
Apply in early spring for summer type weeds.
Apply in late summer to early autumn for Winter Grass.

Measure the treatment area before mixing
Ensures the correct amount of product is applied evenly across lawns, garden beds or pots.

Apply evenly across the entire surface
Spray or pour the mixture evenly to form a consistent barrier in the upper soil layer.

Water in correctly
Lightly water in within 24 hours of application.
Do not irrigate to the point of runoff for three days after applying.

Do not apply to new or stressed turf
Only apply to well established turf with a developed root system deeper than 3 centimetres.

Do not apply over mulch
For garden beds, apply directly to the soil surface and wash in before mulching.

Allow treated areas to dry before entry
Do not enter the area until the spray has fully dried.

Clean equipment thoroughly after use
Rinse sprayers, nozzles and watering cans with clean water to avoid residue buildup.

Active Ingredients

Prodiamine 480 g per litre

FAQs

What’s the active ingredient in Barricade Pre Emergent?

480 g/L prodiamine, a Group D herbicide.

Will Barricade kill weeds that have already come up?

No — it only works at the germination stage, forming a barrier that stops weed seedlings establishing. Existing weeds need to be removed with a post-emergent herbicide first.

What grasses and weeds does Barricade control?

It’s registered for established buffalo, couch, kikuyu, paspalum, zoysia, carpet and seashore grass turf, controlling weeds like summer grass, crab grass, winter grass, crowsfoot grass and paspalum. A separate range of weeds is controlled in garden beds and potted plants.

Can I use Barricade on newly laid turf or in vegetable gardens?

No. The label directs against use on newly seeded, newly laid or sprigged turf, or in vegetable gardens or around fruit trees and sensitive plants.

How long does one application last?

Up to six months in established turf and garden beds under mulch, or up to four months in potted plants.

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Frequently asked questions

What is the difference between a selective and a non-selective herbicide?

A selective herbicide kills target weeds while leaving desirable plants unharmed - for example, a lawn-safe product that removes bindii and clover from buffalo or couch without damaging the turf. A non-selective herbicide such as glyphosate kills almost any green plant it contacts, so it is used for driveways, fence lines, garden-bed prep and total vegetation control, never on lawns.

What is a pre-emergent herbicide and when do I apply it?

A pre-emergent creates a barrier in the top layer of soil that stops weed seeds from establishing as they germinate. It does not control weeds that are already growing. Apply it before the target weed germinates - late summer to early autumn for winter grass, and early spring for summer grasses like crabgrass and crowsfoot - then water it in.

Will herbicide damage my lawn?

Only if you use the wrong type. Non-selective herbicides (glyphosate) will kill or badly damage turf. Selective lawn herbicides are formulated to be safe on common Australian turf at label rates, but tolerance varies by grass - buffalo is the most sensitive - so always check the label lists your turf type before spraying.

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