Active Ingredient

BEST FOR

NOTES

Doff Knockdown Weedkiller Concentrate

Contact

Liquid concentrate (250ml)

Glufosinate ammonium

Annuals

Fast-acting, biodegradable liquid concentrate. Does not affect soil

Doff Knockdown Systemic Weedkiller Spray

Contact

Ready-to-use (1 litre)

Glufosinate ammonium

Annuals

Biodegradable, Does not affect soil

Doff Sodium Chlorate Weedkiller

Contact

Soluble powder (1-6kg)

Sodium chlorate

Annuals and some perennials

Acts through roots and leaves. Stays in soil for up to 6 months. Hard surfaces and waste ground only.

Doff Sodium Chlorate Weedkiller Spray

Contact

Ready-to-use (1 litre)

Sodium chlorate

Annuals and some perennials

Acts through roots and leaves. Stays in soil for up to 6 months. Hard surfaces and waste ground only.

Doff Tough Weedkiller Spray

Systemic

Ready-to-use (1 litre)

Ammonium sulphamate

Most weeds

Biodegrades on contact with soil. Ready-to-use spray. Can be used around wanted plants.

Doff Fast Acting Natural Weed Spray

Contact

Ready-to-use (750ml)

Acetic acid

Annuals

Fast-acting, biodegradable.

Doff Tree Stump & Tough Weed Killer

Systemic

Granules (500g)

Ammonium sulphamate

All

Tree stumps, brambles, problem weeds Breaks down naturally in the soil

Bayer Garden Glyphosate Kills Weeds & Roots

Systemic

Concentrated liquid (350ml, 1 litre)

Glyphosate

All

Takes 3-4 weeks to show full effect. Biodegradable. Can be used around wanted plants.

Bayer Garden Glyphosate Kills Weeds & Roots RTU

Systemic

Ready-to-use (1,3,5 litres)

Glyphosate

All

Takes 3 weeks to show full effect, but kills deep roots. Biodegradable. Can be used around wanted plants.

Bayer Garden Kills Weeds Dead Fast!

Contact

Ready-to-use (1 litre)

Glufosinate ammonium and natural fatty acids

Annuals

Fast acting. Can be used around wanted plants.

Gem Stop Weeds

Contact

Ready-to-use (1 litre)

Sodium Chlorate

All

Acts through roots and leaves. Stays in soil for up to 6 months. Hard surfaces and waste ground only.

Weedol 2 (Scotts)

Contact

Granules or Ready-to-use (6-18 sachets)

Diquat

All weeds

Rainfast after 10 minutes. Sow or plant once product has dried.

Tumbleweed Original Extra Strong (Scotts)

Systemic

Concentrated liquid (500ml)

Glyphosate

All

Can be used around wanted plants. Takes around 3 weeks to kill weeds. Kills deep-rooted perennials.

Roundup GC (Scotts)

Systemic

Concentrated liquid (140ml-1 litre)

Glyphosate

All

Can be used around wanted plants. Takes around 3 weeks to kill weeds. Kills deep-rooted perennials.

Roundup Ultra 3000 (Scotts)

Systemic

Concentrated liquid (1 litre)

Glyphosate

All

Can be used around wanted plants. Takes around 3 weeks to kill weeds. Kills deep-rooted perennials.

Tumbleweed Original Extra Strong RTU

Systemic

Ready-to-use (1 litre and 3 litres)

Glyphosate

All

Can be used around wanted plants. Takes around 3 weeks to kill weeds. Kills deep-rooted perennials.

Roundup Fast Action RTU and Roundup Fast Action Pull & Spray

Systemic

Ready-to-use (1,1.5, 3 and 5 litres)

Glyphosate

All

Standard or foaming spray.

Vitax Casoron G4 Weedbarrier

Contact

Sprinkler pack (250g-5kg)

Dichlobenil

All

Forms a long-lasting barrier over soil. Weeds killed as they grow through it. For use on waste areas or around trees only.

Dax Rootout

Contact

Crystals or liquid (545g-2180g)

Ammonium sulphamate

All

Tree stumps, deep-rooted perennials Breaks down into a fertiliser in the soil. Do not replant for 8-12 weeks after application.

Vitax SBK Brushwood Killer

Systemic

Concentrated liquid (125ml-1 litre)

2, 4-D mecoprop-p, dicamba

All

Controls nettles, brambles, tree stumps and other tough weeds

Growing Success Deep Root Tree Stump & Weedkiller

Systemic

Soluble crystals (540g-4kg)

Ammonium sulphamate

All

Tree stumps, deep rooted perennials including bramble. Soil can be replanted 8-10 weeks after treatment.

Growing Success Deep Root Spotweeder

Systemic

Roller ball (100ml)

Ammonium sulphamate

All

Kills problems weeds next to wanted plants. Biodegradable.

Growing Success Deep Root Weedkiller Gel

Systemic

(350ml)

Ammonium sulphamate

All

Brush-on formulation with red marker dye. Can be used next to wanted plants.

Growing Success Bramble Killer

Systemic

Ready-to-use spray (1 litre)

Ammonium sulphamate

All

Ideal for use on tree suckers, brambles, nettles and other difficult weeds.

Growing Success Ivy Killer

Systemic

Ready-to-use spray (1 litre)

Ammonim sulphamate

Ivy

For killing ivy growing up walls.

Growing Success Ivy Killer Gel

Systemic

(350ml)

Ammonium sulphamate

Ivy

For killing ivy growing up walls and around trees. Brush on formulation with marker dye.

Glufosinate Ammonium

Deep-rooted docks require a systemic weedkiller to control them waft of the intense flame over the leaves of an annual weed is usually enough to kill it. Perennials, of course, do require a little more persistence.

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