Illustration. See the retailer's page for photos of the actual plant.
Dahlia Penhill Dark Monarch
Dahlia 'Penhill Dark Monarch'
Price comparison:
£14.99
From 1 UK retailer
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 1 retailer
Prices last checked: 25 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.
| Retailer | Price | Pot Size | Action |
|---|---|---|---|
| Crocus £5.99 flat rate per order | £14.99Check availability at retailerChecked 25 Oct | 3L | View at CrocusOpens product page · Affiliate info |
Crocus
£5.99 flat rate per order
Size: 3L
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: 25 Oct 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 £14.99 to £14.99 depending on pot size and retailer. The lowest price we track is £14.99 for a 3 litre pot at Crocus. Prices are checked nightly across 1 UK nurseries.
Where can I buy Dahlia Penhill Dark Monarch online in the UK?
You can buy Dahlia Penhill Dark Monarch from 1 UK nurseries including Crocus. 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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