Illustration. See the retailer's page for photos of the actual plant.
Hydrangea Diamant Rouge
Hydrangea Diamant Rouge
Price comparison:
£9.99 – £45.00
From 3 UK retailers
Hydrangea Diamant Rouge is a rewarding garden shrub for UK gardens, flowering from July to September. Reaching about 1.5m, it thrives in partial shade and moist soil. Valued by gardeners for being pollinator-friendly.
Sun
⛅ Partial Shade
Water
💧💧💧 High (Moist)
Hardiness
🌡️ H5 (Hardy -10°C)
Size
📏 1.5m tall × 1.5m wide
Flowers
🌸 jul,aug,sep
Wildlife
🐝 Pollinator-friendly
Compare Prices
Prices from 3 retailers across 3 pot sizes
Prices shown are for different pot sizes — compare within size groups for accurate savings
Prices last checked: 23 Oct 2026
Prices exclude delivery. Check retailer for final price.
Retailers shown in order of price — lowest first within each pot size. Packs are compared only with packs of the same size.
| YouGarden £5.99 standard delivery. Free over £60 | £9.99Checked 25 Oct | 9cm | View at YouGardenOpens product page · Affiliate info |
YouGarden
£5.99 standard delivery. Free over £60
Size: 9cm
| Crocus £5.99 flat rate per order | £17.49Checked 23 Oct | 2L | View at CrocusOpens product page · Affiliate info |
Crocus
£5.99 flat rate per order
Size: 2L
| Signature Hydrangeas | £45.00Checked 24 Oct | 10L | View at Signature HydrangeasOpens product page · Affiliate info |
Signature Hydrangeas
Size: 10L
Prices shown exclude delivery. Delivery charges vary by retailer — see individual listings for details.
Prices may vary. Click through to the retailer for current pricing.
Prices last checked: 23 Oct 2026
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Plant Information
About this plant
Hydrangea Diamant Rouge is a rewarding garden shrub for UK gardens, flowering from July to September. Reaching about 1.5m, it thrives in partial shade and moist soil. Valued by gardeners for being pollinator-friendly.
Latin Name
Hydrangea Diamant Rouge
Family
Hardiness Zone
H5
Care Level
moderate
Sun Exposure
partial-shade
Water Needs
high
Flowering Season
jul,aug,sep
Mature Height
1.5m
Frequently Asked Questions
How much does Hydrangea Diamant Rouge cost in the UK?
Hydrangea Diamant Rouge prices in the UK range from £9.99 to £45.00 depending on pot size and retailer. The lowest price we track is £9.99 for a 9cm pot at YouGarden. Prices are checked nightly across 3 UK nurseries.
Where can I buy Hydrangea Diamant Rouge online in the UK?
You can buy Hydrangea Diamant Rouge from 3 UK nurseries including YouGarden, Signature Hydrangeas, Crocus. ComparePlants.uk compares prices across all of them so you can find the best deal.
What is the scientific name for Hydrangea Diamant Rouge?
The scientific name for Hydrangea Diamant Rouge is Hydrangea Diamant Rouge.
Related reading
How to Support Wildlife in October
October in the UK garden is a pivotal time to support wildlife, with specific plants and small actions making a big difference for birds, pollinators, amphibians, and hedgehogs.
Read the guide →How to Support Wildlife in September
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Read the guide →Similar Plants
