{"product_id":"yellow-iris-iris-pseudacorus","title":"Yellow Iris (Sweet Flag \/ Water Iris)","description":"\u003cp\u003e\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003eIris pseudacorus\u003c\/em\u003e L.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Names:\u003c\/strong\u003e Yellow Iris, Water Flag, Yellow Water Iris (Commonly known as \"Shuichangpu\" in engineering, distinct from \u003cem\u003eAcorus gramineus\u003c\/em\u003e)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClassification:\u003c\/strong\u003e Iridaceae, Iris genus · Perennial emergent aquatic herb \/ Wetland ornamental flower\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eEngineering Note:\u003c\/strong\u003e In landscaping water systems, \"planting Changpu\" usually refers to this species (Yellow Iris). If the client specifically refers to \u003cem\u003eAcorus gramineus\u003c\/em\u003e (fine leaves, strong fragrance, shade-loving in streams), notes are provided at the end; it is recommended to check design drawings during bidding.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003e1. Variety Characteristics\u003c\/h3\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003ePlant Morphology:\u003c\/strong\u003e Thick creeping rhizomes underground; leaves basal, sword-shaped, 50–90 cm long, 1–2 cm wide, with a prominent midrib, grayish-green; flower stalks higher than leaf clusters, bearing 1–3 flowers at the top; 6 tepals (outer 3 hanging with yellow-brown markings, inner 3 upright and pure yellow), flower diameter 8–10 cm, \u003cstrong\u003eflowering from April to June\u003c\/strong\u003e; capsule long cylindrical, three-angled, seeds angular.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Similar Varieties:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cem\u003eI. pseudacorus\u003c\/em\u003e 'Variegata' (Variegated Yellow Iris, leaves with white\/yellow stripes, primarily for foliage)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003eSiberian Iris (\u003cem\u003eI. sibirica\u003c\/em\u003e, slightly moisture-tolerant but prefers moist soil rather than typical emergent conditions, flowers blue-purple\/white)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eSeasonal Performance:\u003c\/strong\u003e Leaves emerge in spring → Peak flowering in early summer → Upright green leaves in summer and autumn → Partially wither after frost, rhizomes overwinter; evergreen or semi-evergreen in Central and East China.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e2. Ecological Habits\u003c\/h3\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eWater Level Requirements:\u003c\/strong\u003e Thrives in \u003cstrong\u003esaturated moist mud to shallow water depths of 5–30 cm\u003c\/strong\u003e (tolerates 50 cm short-term); can be planted at the water line or in moist mud on banks; extremely adaptable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eLight:\u003c\/strong\u003e Prefers light, best flowering under full sun; also tolerates semi-shade (slightly reduced flowering), avoid dense shade.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eSoil:\u003c\/strong\u003e Prefers loose, fertile, moisture-retentive clayey loam, pond mud, or swamp soil rich in organic matter; tolerates light salinity and short-term pollution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature:\u003c\/strong\u003e Optimum 15–28°C; underground rhizomes can withstand -15 to -20°C (non-freezing mud) for overwintering; cultivated in open ground in most parts of the country.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e3. Engineering Application Scenarios\u003c\/h3\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eRevetment Shallow Water Zones:\u003c\/strong\u003e Planted in patches along waterlines of artificial lakes, rivers, and ponds to soften hard revetments; forms emergent plant belts with Lotus, Pickerelweed, Bulrush, and Variegated Giant Reed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eConstructed Wetlands\/Rain Gardens:\u003c\/strong\u003e Used at inlets or detention areas of surface flow wetlands to adsorb nitrogen and phosphorus and promote suspended solids settlement, providing both water purification and yellow flower aesthetics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eSunken Gardens\/Ecological Ditches:\u003c\/strong\u003e Planted in stagnant sections of grassed swales or stepped wet ponds to fix soil and protect banks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eSpecialty Garden Nodes:\u003c\/strong\u003e Variegated varieties ('Variegata') used for premium water features and accents beside entrance water basins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e4. Sapling Quality Indicators\u003c\/h3\u003e\n\u003cdiv data-has-scroll=\"false\" class=\"hyc-common-markdown__table-wrapper isDark\"\u003e\n\u003cdiv id=\"tableActionsPanel\" class=\"hyc-common-markdown__table-actions-sticky\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cp\u003eProject Name\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSupply Form\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eRhizome segments with buds \/ Container seedlings (Diameter 10–14 cm, with 3–5 leaf clusters)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eRhizome Requirements\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eBuds plump, no rot, no serious insect damage; each clump ≥ 2–3 buds with fibrous roots\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eContainer Seedling Requirements\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eLeaf cluster height ≥ 30–50 cm, with 3–5 expanded leaves, obvious new buds, roots not pot-bound, no serious leaf spot\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eVariety Labeling\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eMust be labeled as Yellow Iris (standard yellow flower) or Variegated Yellow Iris (if applicable)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSupply Period\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAfter soil temperature rises in spring (usually March to early May in Central China); container seedlings can be extended\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003e5. Planting and Maintenance Key Points\u003c\/h3\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003ePlanting Method:\u003c\/strong\u003e Plant container seedlings with soil into moist mud or shallow water; bury rhizomes flat and cover with 3–5 cm of mud, with buds slightly exposed; maintain 3–5 cm shallow water or saturated moisture initially, adjust to design water depth after survival.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eFertilization:\u003c\/strong\u003e Mix decomposed organic fertilizer or specialized aquatic plant fertilizer into base; top-dress with phosphorus and potassium fertilizer before flowering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003ePruning and Renewal:\u003c\/strong\u003e Cut flower stalks after blooming; prune yellowed old leaves in late autumn or early spring; divide and replant every 2–3 years.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eOverwintering Management:\u003c\/strong\u003e Leave root remnants in place for overwintering; cover with straw in cold areas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003ePests and Diseases:\u003c\/strong\u003e Occasional iris rust, soft rot, and aphids; maintain ventilation, remove infected leaves, and use targeted medicine.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Autumn Field Nursery Base","offers":[{"title":"Default Title","offer_id":45188588994669,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/1727\/7293\/files\/yellow-iris-iris-pseudacorus.png?v=1781401814","url":"https:\/\/virturaintl.com\/products\/sweet-flag","provider":"Autumn Field Nursery Base","version":"1.0","type":"link"}