B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
25%
25% -- opt out reduction rate for National garden centre chain email/CRM database (2026)
Reducing campaign volume for low-frequency shoppers drove a 25% drop in opt-outs.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
25%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
DML Analytics
Primary
Tier B
https://dmlanalytics.io/casestudies/segmenting-loyalty-base-grows-crm-revenue-garden-retailer.html ↗
Source Article
Segmentation Overhauls Blanket Messaging to Drive CRM Growth for National Garden Retailer
The Challenge
A national garden centre chain had built a robust loyalty database of over 800,000 members. However, communication relied on high-volume weekly emails built on broad assumptions such as season, region, or a recent promotion rather than on how members actually shopped.
Open rates had be…
Original Research
DML Analytics
· Original study ↗
Methodology
Drop in opt-outs attributed to reducing campaign volume for low-frequency shopper segments following segmentation rollout.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
National garden centre chain email/CRM database: 25% opt out reduction rate. Source: DML Analytics (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/garden-retailer-opt-out-reduction-25
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<blockquote cite="https://lighthousedata.io/data/garden-retailer-opt-out-reduction-25" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>25%</strong> -- opt out reduction rate for National garden centre chain email/CRM database<br><small>Source: DML Analytics (2026) · <a href="https://lighthousedata.io/data/garden-retailer-opt-out-reduction-25" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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