Buddleja davidii Black Knight
Buddleja davidii Black Knight
Price comparison:
£7.74 – £55.00
From 7 UK retailers
Butterfly Bush with deep purple-black flowers on dense panicles. Vigorous shrub attracting butterflies throughout summer.
Sun
☀️ Full Sun
Water
💧 Low (Well-drained)
Hardiness
🌡️ 5-9
Size
📏 2m tall
Flowers
🌸 summer
Compare Prices
Prices from 7 retailers across 4 sizes
Prices shown are for different pot sizes — compare within size groups for accurate savings
Prices last checked: 30 Apr 2026
Prices exclude delivery. Check retailer for final price.
Retailers shown in order of price — lowest first within each size group.
| Ornamental Trees Delivery charge varies by tree size and distance | £55.00 | 12L | View at Ornamental TreesOpens product page · Affiliate info |
Ornamental Trees
Delivery charge varies by tree size and distance
Size: 12L
| Crocus £5.99 flat rate per order | £19.99 | 80-100cm | View at CrocusOpens product page · Affiliate info |
Crocus
£5.99 flat rate per order
Size: 80-100cm
| Farmer Gracy Flat rate per order. Free over £50. Ships from Netherlands | £7.74 | bare root | View at Farmer GracyOpens product page · Affiliate info |
| Thompson & Morgan £6.99 for plants, £2.99 seeds only. Free over £60 | £11.99 | bare root | View at Thompson & MorganOpens product page · Affiliate info |
| Paramount Plants Variable by postcode — calculated at checkout. Free to EN postcodes | £23.40 | bare root | View at Paramount PlantsOpens product page · Affiliate info |
Farmer Gracy
Flat rate per order. Free over £50. Ships from Netherlands
Size: bare root
Thompson & Morgan
£6.99 for plants, £2.99 seeds only. Free over £60
Size: bare root
Paramount Plants
Variable by postcode — calculated at checkout. Free to EN postcodes
Size: bare root
| Suttons £6.99 for plants, £2.99 seeds only, £7.99 mixed | £12.99 | Check retailer for size | View at SuttonsOpens product page · Affiliate info |
| Crocus £5.99 flat rate per order | £15.99 | Check retailer for size | View at CrocusOpens product page · Affiliate info |
| Primrose Standard delivery from £4.99 | £19.99 | Check retailer for size | View at PrimroseOpens product page · Affiliate info |
Suttons
£6.99 for plants, £2.99 seeds only, £7.99 mixed
Size: Check retailer for size
Crocus
£5.99 flat rate per order
Size: Check retailer for size
Primrose
Standard delivery from £4.99
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: 30 Apr 2026
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Plant Information
About this plant
Butterfly Bush with deep purple-black flowers on dense panicles. Vigorous shrub attracting butterflies throughout summer.
Latin Name
Buddleja davidii Black Knight
Family
Scrophulariaceae
Hardiness Zone
5-9
Care Level
easy
Sun Exposure
full-sun
Water Needs
low
Flowering Season
summer
Mature Height
2m
Tags
Frequently Asked Questions
How much does Buddleja davidii Black Knight cost in the UK?
Buddleja davidii Black Knight prices in the UK range from £7.74 to £55.00 depending on pot size and retailer. The cheapest price is currently at Farmer Gracy at £7.74. Prices are checked nightly across 7 UK nurseries.
Where can I buy Buddleja davidii Black Knight online in the UK?
You can buy Buddleja davidii Black Knight from 7 UK nurseries including Farmer Gracy, Thompson & Morgan, Suttons. ComparePlants.uk compares prices across all of them so you can find the best deal.
What is the scientific name for Buddleja davidii Black Knight?
The scientific name for Buddleja davidii Black Knight is Buddleja davidii Black Knight.
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