Illustration. See the retailer's page for photos of the actual plant.
Iris Black Swan
Iris germanica 'Black Swan'
Price comparison:
£24.99
From 2 UK retailers
Iris Black Swan is a garden perennial that thrives in full sun. Growing to around 90cm, it flowers from May and June. A reliable choice for pollinator-friendly gardens.
Sun
☀️ Full Sun
Water
💧💧 Moderate
Hardiness
🌡️ H7 (Fully Hardy)
Size
📏 90cm tall × 30cm wide
Flowers
🌸 may,jun
Wildlife
🐝 Pollinator-friendly
Compare Prices
Prices from 2 retailers
Prices last checked: 19 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 | £24.99Check availability at retailerChecked 23 Oct | 2L | View at CrocusOpens product page · Affiliate info |
| Primrose Standard delivery from £4.99 | £24.99Check availability at retailerChecked 19 Oct | 2L | View at PrimroseOpens product page · Affiliate info |
Crocus
£5.99 flat rate per order
Size: 2L
Primrose
Standard delivery from £4.99
Size: 2L
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 Oct 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
Iris Black Swan is a garden perennial that thrives in full sun. Growing to around 90cm, it flowers from May and June. A reliable choice for pollinator-friendly gardens.
Latin Name
Iris germanica 'Black Swan'
Family
Hardiness Zone
H7
Care Level
moderate
Sun Exposure
full-sun
Water Needs
moderate
Flowering Season
may,jun
Mature Height
90cm
Frequently Asked Questions
How much does Iris Black Swan cost in the UK?
Iris Black Swan prices in the UK range from £24.99 to £24.99 depending on pot size and retailer. The lowest price we track is £24.99 for a 2 litre pot at Crocus. Prices are checked nightly across 2 UK nurseries.
Where can I buy Iris Black Swan online in the UK?
You can buy Iris Black Swan from 2 UK nurseries including Crocus, Primrose. ComparePlants.uk compares prices across all of them so you can find the best deal.
What is the scientific name for Iris Black Swan?
The scientific name for Iris Black Swan is Iris germanica 'Black Swan'.
Related reading
Drought-Tolerant Plants That Still Look Good
Dry-garden planting has a reputation for looking like a car park in July. It doesn't have to. Twelve plants that hold their shape and colour through a dry summer — and the honest caveat about planting them now.
Read the guide →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 →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 →Similar Plants
Plant image coming soon
Prunus x subhirtella ‘Autumnalis Rosea’
Prunus x subhirtella 'Autumnalis Rosea'