GardensDB - Iris germanica 'Black Swan' Browse [ ![](/images/leaf_icon.svg) Gardens**DB** ](https://gardensdb.com) [ Gardens ](https://gardensdb.com/gardens) [ Shows ](https://gardensdb.com/shows) [ Studios ](https://gardensdb.com/studios) [ People ](https://gardensdb.com/people) [ Search gardens, designers, shows… ](https://gardensdb.com/search) [ Login ](https://gardensdb.com/login) [ Register ](https://gardensdb.com/register) [ ](https://gardensdb.com/search) Discover - [ Home ](https://gardensdb.com) - [ Gardens ](https://gardensdb.com/gardens) - [ Plants ](https://gardensdb.com/plants) - [ Shows ](https://gardensdb.com/shows) - [ Events ](https://gardensdb.com/events) - [ 360° tours ](https://gardensdb.com/360-tours) - [ Trails ](https://gardensdb.com/trails) People & studios - [ People ](https://gardensdb.com/people) - [ Studios ](https://gardensdb.com/studios) - [ Books ](https://gardensdb.com/books) - [ Jobs ](https://gardensdb.com/jobs) Organisations - [ Sponsors ](https://gardensdb.com/sponsors) - [ Charity & non-profits ](https://gardensdb.com/charities) - [ Collectives ](https://gardensdb.com/collectives) - [ Companies ](https://gardensdb.com/companies) - [ Education ](https://gardensdb.com/education-institutions) - [ Nurseries ](https://gardensdb.com/nurseries) Account - [ Login ](https://gardensdb.com/login) - [ Register ](https://gardensdb.com/register) Follow [ gardensdb on Instagram (opens in a new tab)](https://www.instagram.com/gardensdb/) Discover - [ Home Today's highlights ](https://gardensdb.com) - [ Gardens Show gardens, catalogued ](https://gardensdb.com/gardens) - [ Plants What was planted, and who used it ](https://gardensdb.com/plants) - [ Shows Horticultural shows ](https://gardensdb.com/shows) - [ Events Festivals, courses & open days ](https://gardensdb.com/events) - [ 360° tours Step inside, long after the show packs up ](https://gardensdb.com/360-tours) - [ Trails Curated routes through the gardens ](https://gardensdb.com/trails) People & studios - [ People Designers, judges, growers ](https://gardensdb.com/people) - [ Studios Design practices ](https://gardensdb.com/studios) - [ Books Recommended reading ](https://gardensdb.com/books) - [ Jobs Roles in the industry ](https://gardensdb.com/jobs) Organisations - [ Sponsors Organisations that back the gardens ](https://gardensdb.com/sponsors) - [ Charity & non-profits Causes behind the gardens ](https://gardensdb.com/charities) - [ Collectives Groups & community projects ](https://gardensdb.com/collectives) - [ Companies Suppliers & contractors ](https://gardensdb.com/companies) - [ Education Schools, colleges & universities ](https://gardensdb.com/education-institutions) - [ Nurseries Plant suppliers & growers ](https://gardensdb.com/nurseries) [ Submit a garden ](https://gardensdb.com/gardens/submit) [ About GardensDB ](https://gardensdb.com/help) [ gardensdb on Instagram (opens in a new tab)](https://www.instagram.com/gardensdb/) [Plants](https://gardensdb.com/plants) / Iris germanica 'Black Swan' ![Iris germanica 'Black Swan'](https://cdn.gardensdb.com/media/6985e1cf-6c25-45fa-8193-56930b3532b6/conversions/iris-germanica-black-swan-hero.webp) Plant Iris germanica 'Black Swan' ============================= Planted in 1 show garden on GardensDB. 1 Garden 1 Designer 0 Studios [ Buy this plant ](https://www.crocus.co.uk/plants/_/iris-black-swan/classid.2000010422/) Opens the supplier's website How to grow it Happiest in full sun on chalk, clay, loam or sand that is well-drained. ----------------------------------------------------------------------- Size at maturity 0.5–1 metres Max height 0.5–1 metres Max spread 2–5 years To maturity Aspect Aspect: North-facing, East-facing, South-facing, West-facing N E S W Any aspect Happy facing any direction Position Full sun Partial shade Full shade Exposure Sheltered Exposed Moisture Well-drained Soil Chalk Clay Loam Sand Soil pH Acid Neutral Alkaline Hardiness H7. Very hardy Very hardy (colder than -20°C) H1a H1b H1c H2 H3 H4 H5 H6 H7 Where it was planted 1 garden ---------- - ![A contemporary small show garden features a leaf-shaped canopy over a white dining table and wooden chairs on a multi-level flagstone patio, surrounded by naturalistic green planting with purple and red flowers.](https://cdn.gardensdb.com/media/4d0cb348-aef6-4171-b4eb-8ab121a90c62/conversions/The-Boodles-Garden-(2026)-2026-05-19-at-09.41.46-gallery.webp) [](https://gardensdb.com/gardens/the-boodles-garden-2026) Small Show Garden ![](https://cdn.gardensdb.com/awards/rhs-silver-gilt-medal/icon.webp) Silver Gilt Medal 360° tour 360° tour available RHS Chelsea Flower Show 2026 The Boodles Garden (2026) Catherine MacDonald Who uses it Designers & studios ------------------------- The people and studios credited on the gardens above, with how many of those gardens each worked on. ### Designer 1 - [ 1 garden ![Catherine MacDonald](https://cdn.gardensdb.com/people/catherine-macdonald/profile_photo.jpg) #### Catherine MacDonald Garden Designer catherinemacdonalddesign Landform Consultants ](https://gardensdb.com/people/catherine-macdonald) Good company Often planted with -------------------- Plants that share a plant list with Iris germanica 'Black Swan', ranked by how many gardens combine them. [ Browse all plants ](https://gardensdb.com/plants) - [ ![](https://cdn.gardensdb.com/media/76e4449b-0de6-49b2-8ee1-59df732f63d5/conversions/anthriscus-sylvestris-ravenswing-card.webp) Anthriscus sylvestris 'Ravenswing' 1 garden together ](https://gardensdb.com/plants/anthriscus-sylvestris-ravenswing "Anthriscus sylvestris 'Ravenswing'") - [ ![](https://cdn.gardensdb.com/media/1e3f987d-5dba-4f33-9941-c318ef8c3d15/conversions/iris-germanica-superstition-card.webp) Iris germanica 'Superstition' 1 garden together ](https://gardensdb.com/plants/iris-germanica-superstition "Iris germanica 'Superstition'") - [ ![](https://cdn.gardensdb.com/media/59050c99-a9f8-4542-9dc1-650bf021d93e/conversions/paeonia-buckeye-belle-card.webp) Paeonia 'Buckeye Belle' 1 garden together ](https://gardensdb.com/plants/paeonia-buckeye-belle "Paeonia 'Buckeye Belle'") - [ ![](https://cdn.gardensdb.com/media/cb386071-5950-4783-9ada-bb6431ac6629/conversions/salvia-nachtvlinder-card.webp) Salvia × sylvestris 'Nachtvlinder' 1 garden together ](https://gardensdb.com/plants/salvia-x-sylvestris-nachtvlinder "Salvia × sylvestris 'Nachtvlinder'") - [ ![](https://cdn.gardensdb.com/media/101d33f3-13e2-47b3-b8fb-50ae94cfd12b/conversions/taxus-baccata-card.webp) Taxus baccata 1 garden together ](https://gardensdb.com/plants/taxus-baccata "Taxus baccata") ![](/images/leaf_icon.svg) Gardens**DB** The world's largest collection of show gardens online, kept free, kept current, and shaped by the community that uses it. Follow [ gardensdb on Instagram (opens in a new tab)](https://www.instagram.com/gardensdb/) Browse - [ All gardens ](https://gardensdb.com/gardens) - [ Plants ](https://gardensdb.com/plants) - [ People ](https://gardensdb.com/people) - [ Studios ](https://gardensdb.com/studios) - [ Shows ](https://gardensdb.com/shows) - [ Sponsors ](https://gardensdb.com/sponsors) - [ Charities ](https://gardensdb.com/charities) Contribute - [ Add a garden ](https://gardensdb.com/gardens/submit) - [ Suggest a correction ](https://gardensdb.com/help) About - [ What is GardensDB? ](https://gardensdb.com/help) - [ Contact ](https://gardensdb.com/help) - [ Help & FAQs ](https://gardensdb.com/help) © 2026 GardensDB. A community-driven catalogue.