Dahlia Penhill Dark Monarch
Dahlia 'Penhill Dark Monarch'
Price comparison:
£3.49 – £4.95
From 3 UK retailers
Dahlia Penhill Dark Monarch is a pollinator-friendly flowering bulb reaching about 1m tall. Produces flowers from July to October. A reliable choice for pollinator-friendly gardens.
Sun
☀️ Full Sun
Water
💧💧 Moderate
Hardiness
🌡️ H3 (Half Hardy)
Size
📏 1.0m tall × 60cm wide
Flowers
🌸 jul,aug,sep,oct
Wildlife
🐝 Pollinator-friendly (single varieties best)
Compare Prices
Prices from 3 retailers across 2 sizes
Prices shown are for different pot sizes — compare within size groups for accurate savings
Prices last checked: 27 Aug 2026
Prices exclude delivery. Check retailer for final price.
Retailers shown in order of price — lowest first within each size group.
| Garden Plants Online Free delivery on most orders | £3.49Out of stock | tuber | View at Garden Plants OnlineOpens product page · Affiliate info |
| Farmer Gracy Flat rate per order. Free over £50. Ships from Netherlands | £4.55Out of stock | tuber | View at Farmer GracyOpens product page · Affiliate info |
Garden Plants Online
Free delivery on most orders
Size: tuber
Farmer Gracy
Flat rate per order. Free over £50. Ships from Netherlands
Size: tuber
| Dahlia Beach | £4.95Out of stockPrice checked 30 days ago | Check retailer for size | View at Dahlia BeachOpens product page · Affiliate info |
Dahlia Beach
Size: Check retailer for size
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: 27 Aug 2026
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Plant Information
About this plant
Dahlia Penhill Dark Monarch is a pollinator-friendly flowering bulb reaching about 1m tall. Produces flowers from July to October. A reliable choice for pollinator-friendly gardens.
Latin Name
Dahlia 'Penhill Dark Monarch'
Family
Hardiness Zone
H3
Care Level
moderate
Sun Exposure
full-sun
Water Needs
moderate
Flowering Season
jul,aug,sep,oct
Mature Height
1.0m
Frequently Asked Questions
How much does Dahlia Penhill Dark Monarch cost in the UK?
Dahlia Penhill Dark Monarch prices in the UK range from £3.49 to £4.95 depending on pot size and retailer. The cheapest price is currently at Garden Plants Online at £3.49. Prices are checked nightly across 3 UK nurseries.
Where can I buy Dahlia Penhill Dark Monarch online in the UK?
You can buy Dahlia Penhill Dark Monarch from 3 UK nurseries including Garden Plants Online, Farmer Gracy, Dahlia Beach. ComparePlants.uk compares prices across all of them so you can find the best deal.
What is the scientific name for Dahlia Penhill Dark Monarch?
The scientific name for Dahlia Penhill Dark Monarch is Dahlia 'Penhill Dark Monarch'.
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