Preen vs Roundup:Which is more popular?
In September 2026, Roundup had more branded searches than Preen among weed killer brands worldwide. Roundup had about 201,000 branded searches, while Preen had 5,400. Roundup made up 55.8% of all weed killer brand searches we track, and Preen accounted for 1.5%. When we asked ChatGPT and Google AI Overviews about weed killer brands, Preen appeared in two of the five answers and Roundup in one. Preen and Roundup were each mentioned first in one of the two answers that named either.
Who do people search for more?
Roundup, about 37 searches for every 1 for Preen
Who does AI mention more?
Preen, mentioned in 2 of 5 answers, Roundup in 1
Who does AI recommend more?
Each is named first in 1 of 2 answers.
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Top weed killer brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Preen was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Roundup was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Preen and Roundup were each listed first in one of the two answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Ortho5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Spectracide3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Preen2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Roundup1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Resolva0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Yates0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Weedol0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about weed killer brands
5 answers
Asked ChatGPT
“Which weed killer brand should I buy?”
Asked ChatGPT
“What are the best weed killer brands?”
Asked ChatGPT
“What's the best weed killer brand for garden weeds?”
Searched Google, AI Overview
“best weed killer”
Searched Google, AI Overview
“weed control spray”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Preen or Roundup more popular in search?
This chart shows how often people search Google for Preen and Roundup by name. Each line represents a brand's share of searches for all seven weed killer brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Roundup, Preen. The figures are in the table below the chart.
View monthly share of searches table
| Month | Roundup | Resolva | Yates | Preen | Weedol | Spectracide | Ortho |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 54.9% | 30% | 13.5% | 0.98% | 0.52% | 0.02% | <0.01% |
| Nov 2025 | 55.1% | 30.2% | 13.5% | 0.8% | 0.29% | 0.02% | 0.01% |
| Dec 2025 | 60.2% | 27% | 12.1% | 0.58% | 0.18% | 0.01% | <0.01% |
| Jan 2026 | 63% | 23.2% | 12.7% | 0.91% | 0.18% | 0.03% | 0.01% |
| Feb 2026 | 55.7% | 30.5% | 11.2% | 2.2% | 0.34% | 0.03% | 0.01% |
| Mar 2026 | 58.5% | 26.2% | 7.9% | 6.4% | 0.86% | 0.08% | 0.02% |
| Apr 2026 | 65.2% | 19.5% | 7.2% | 7.2% | 0.96% | 0.07% | <0.01% |
| May 2026 | 66.6% | 19.9% | 7.3% | 4.9% | 1.2% | 0.06% | <0.01% |
| Jun 2026 | 71.4% | 17.6% | 6.4% | 3.5% | 1% | 0.06% | <0.01% |
| Jul 2026 | 68.3% | 16.8% | 11.2% | 2.7% | 0.82% | 0.07% | <0.01% |
| Aug 2026 | 68% | 20.4% | 9.1% | 1.8% | 0.54% | 0.07% | <0.01% |
| Sep 2026 | 55.8% | 30.6% | 11.3% | 1.5% | 0.81% | 0.05% | <0.01% |
How has the Preen and Roundup comparison changed over the last 12 months?
3 findings
- Roundup was ahead of Preen in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Preen’s share of searches among weed killer brands worldwide moved from 0.98% to 1.5%, and its estimated monthly branded searches moved from 3.6K to 5.4K.
- Across the 12 months ending September 2026, Roundup’s share of searches among weed killer brands worldwide moved from 54.9% to 55.8%, and its estimated monthly branded searches held steady at 201K.
How did search popularity change for weed killer brands worldwide in September 2026?
2 changes
In September 2026, Roundup lost share of searches among weed killer brands worldwide, from 68% to 55.8%.
Preen’s share of searches among weed killer brands worldwide has lost ground for 3 months in a row, from 3.5% to 1.5% in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Preen’s and Roundup’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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