Price: £12.00 - £11.40
(as of Aug 25, 2025 08:28:08 UTC – Details)
From the manufacturer
Visible results in 1 hour
Show first visible results within an hour of spraying, depending on conditions and the type of weed.
Naturally breaks down in soil in 24 hours
Formula breaks down naturally in soil ready for replanting or re-seeding in just 24 hours.
A fast acting, multi-purpose weedkiller
Can be used on weeds in flowerbeds, borders, pots, containers, vegetable patches, paths and patios.
1 Visible Results In 1 Hour
2 Replant In 24 Hours
3 Multi-Purpose Weedkiller
A weedkiller with visible results in just 1 hour
ROUNDUP Speed Ultra Weedkiller can be used to kill broad leaved weeds and grasses in paths, drives, patios and around the bases of roses, ornamental shrubs and trees, including bindweed, nettles, sow thistle, fat hen, black nightshade, crabgrass and annual ryegrass.
ROUNDUP Speed Ultra Weedkiller is fast acting and allows replanting or seeding a day after treatment.
* THIS CLAIM IS PROVIDED TO HELP DISTINGUISH FROM OTHER FORMULAS THAT MAY CONTAIN GLYPHOSATE.
Why should I use ROUNDUP Speed Ultra Weedkiller?
ROUNDUP Speed Ultra is a fast acting weedkiller with no glyphosate* for use on unwanted vegetation. Weeds may show first visible results within an hour of spraying, depending on weather conditions and the type of weed.
Where can I use ROUNDUP Speed Ultra Weedkiller?
Can be used to kill broad leaved weeds and grasses in paths., patios, around the bases of roses, ornamentals and trees, including bindweed, nettles, sow thistle, fat hen, black nightshade, crabgrass and annual ryegrass.
When should I use ROUNDUP Speed Ultra Weedkiller?
Spray when weeds are actively growing and have adequate leaf area to absorb spray. Treat established perennial weeds at the start of flowering to give best results. Spray nettles and ground elder when new leaves have unfolded fully in late spring.
How do I use ROUNDUP Speed Ultra Weedkiller?
Hold the sprayer approx. 50cm away from the target weed and spray to lightly wet the weeds – avoid run-off. Repeat treatment if necessary after a minimum of 14 days where re-growth occurs.
Is ROUNDUP Speed Ultra Weedkiller safe to use on areas used by children and pets?
Keep children and pets away from treated areas until spray has dried. Keep out of the reach of children.
Compare our range of weed control products
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No Glyphosate*
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Ready to use
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Fast-acting
From 1 hour
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Within days
Within 1-2 days
Within 1-2 days
Within days
Within days
Naturally breaks down in soil
In 1 day
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In 7 days
In 7 days
In 7 days
In 7 days
In 7 days
Kills weeds to root (systemic)
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Allows replanting
In 1 day
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In 7 days
In 7 days
In 7 days
In 7 days
In 7 days
For beds, borders, veg patches
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For paths, patios, drives
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For tough weeds
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For tree and shrub stumps
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Glyphosate Free Weedkiller
Fast acting – See results within 1 hour
Ideal for use in flower beds, borders and vegetable patches before planting
Replant and reseed within 24 hours
Coverage 90 Sq Metres
