Delphinium King Arthur
Delphinium 'King Arthur'
Price comparison:
£7.98 – £19.99
From 2 UK retailers
A rewarding hardy perennial for UK gardens, Delphinium King Arthur grows to about 1.5m in full sun. Enjoy blooms from June and July. A reliable choice for pollinator-friendly gardens.
Sun
☀️ Full Sun
Water
💧💧 Moderate
Hardiness
🌡️ H7 (Fully Hardy)
Size
📏 1.5m tall × 60cm wide
Flowers
🌸 jun,jul
Wildlife
🐝 Pollinator-friendly
Compare Prices
Prices from 2 retailers across 2 sizes
Prices shown are for different pot sizes — compare within size groups for accurate savings
Prices last checked: 19 Aug 2026
Prices exclude delivery. Check retailer for final price.
Retailers shown in order of price — lowest first within each size group.
| Gardeners Dream | £7.98Price checked 10 days ago | 9cm | View at Gardeners DreamOpens product page · Affiliate info |
Gardeners Dream
Size: 9cm
| Thompson & Morgan + £6.99 delivery | £19.99Price checked 19 days ago | Check retailer for size | View at Thompson & MorganOpens product page · Affiliate info |
Thompson & Morgan
+ £6.99 delivery
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: 19 Aug 2026
We may earn commission from purchases made through our links. (What does this mean?)
The month's biggest price drops across UK nurseries
One email a month. The plants that got cheaper, and where. Unsubscribe anytime.
We only email you price drops and seasonal savings. No spam, ever.
Plant Information
About this plant
A rewarding hardy perennial for UK gardens, Delphinium King Arthur grows to about 1.5m in full sun. Enjoy blooms from June and July. A reliable choice for pollinator-friendly gardens.
Latin Name
Delphinium 'King Arthur'
Family
Hardiness Zone
H7
Care Level
moderate
Sun Exposure
full-sun
Water Needs
moderate
Flowering Season
jun,jul
Mature Height
1.5m
Frequently Asked Questions
How much does Delphinium King Arthur cost in the UK?
Delphinium King Arthur prices in the UK range from £7.98 to £19.99 depending on pot size and retailer. The cheapest price is currently at Gardeners Dream at £7.98. Prices are checked nightly across 2 UK nurseries.
Where can I buy Delphinium King Arthur online in the UK?
You can buy Delphinium King Arthur from 2 UK nurseries including Gardeners Dream, Thompson & Morgan. ComparePlants.uk compares prices across all of them so you can find the best deal.
What is the scientific name for Delphinium King Arthur?
The scientific name for Delphinium King Arthur is Delphinium 'King Arthur'.
Related reading
Best Plants for Late-Summer Colour
Give your garden a burst of energy when the rest of the world seems to be winding down, with these vibrant and hardy plants for late-summer colour.
Read the guide →Best Plants for a Long Summer Display
For a summer border that keeps on giving, focus on plants like salvia, geranium, verbena, and echinacea, which flower for months and demand little fuss.
Read the guide →How to Support Wildlife in August
In August, supporting garden wildlife in the UK means providing nectar-rich flowers for pollinators, leaving seed heads for birds, and making your garden a welcome haven for hedgehogs and amphibians.
Read the guide →Similar Plants
