{"product_id":"water-canna-thalia-dealbata","title":"Water Canna (Thalia dealbata)","description":"\u003cp\u003e\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003eThalia dealbata\u003c\/em\u003e J. Fraser\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Names:\u003c\/strong\u003e Water Canna, Thalia, Hardy Water Canna\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClassification:\u003c\/strong\u003e Marantaceae, Thalia genus · Perennial emergent aquatic herb \/ Large wetland ornamental flower\u003c\/p\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 rhizomes underground; upright and tall aerial stems, 1–2 (up to 2.5) m high, covered with white powder, appearing grayish-blue; leaves basal and cauline, long lanceolate or long elliptic-lanceolate, 30–60 cm long, 10–20 cm wide, \u003cstrong\u003ethe back of the leaf is often covered with white frost, resembling large bamboo or banana leaves\u003c\/strong\u003e, grayish-green; inflorescence is a panicle composed of racemes, rising above the leaf cluster, small flowers purple or light violet with dark spots, \u003cstrong\u003eflowering from June to October\u003c\/strong\u003e.\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\u003eSeasonal Performance:\u003c\/strong\u003e Sprouting in spring → Tall and upright grayish-green foliage + purple flower spikes in summer → Aerial parts wither after frost, underground rhizomes overwinter; can be cultivated in open ground 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 Suitable for shallow water areas or saturated moist mud, with an ideal water depth of \u003cstrong\u003e10–30 cm\u003c\/strong\u003e (up to 50 cm in still water); also tolerates short-term shallow flooding and seasonal wet-dry alternating; avoid complete drought.\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; plants are tall with many flower spikes under full sun; tolerates light partial shade, but excessive shade leads to thin stems prone to lodging.\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 clayey pond mud, river mud, or swamp soil rich in organic matter; tolerates moderate fertility.\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 growth temperature is 20–30°C; growth stops when the temperature is \u003c10°C; underground rhizomes can withstand -5 to -8°C (non-freezing mud) for overwintering; open field in South and East China, soil covering or replanting is recommended in North China.\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\u003eShallow Water Zones of Artificial Lakes\/Ponds:\u003c\/strong\u003e Planted in patches along shallow water revetments; tall grayish-green leaf clusters provide a tropical feel, softening hard shorelines; combines with Lotus, Pickerelweed, and Bulrush to form emergent plant layers.\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\/Purification Ponds:\u003c\/strong\u003e Used in stagnant areas of surface flow wetlands to adsorb nitrogen and phosphorus while providing landscaping functions.\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\u003eEcological Floating Islands\/Revetments:\u003c\/strong\u003e Planted on floating island substrates or gentle slope moist soil to fix soil, protect shores, and provide bird habitats.\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 Gardens\/Resorts:\u003c\/strong\u003e Planted in tropical-style water gardens or near watersides of homestay courtyards to create a southern atmosphere.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e4. Sapling Quality Indicators\u003c\/h3\u003e\n\u003cdiv class=\"hyc-common-markdown__table-wrapper isDark\" data-has-scroll=\"false\"\u003e\n\u003cdiv class=\"hyc-common-markdown__table-actions-sticky\" id=\"tableActionsPanel\"\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\u003eUnderground rhizome segments with buds \/ Container seedlings (Diameter 15–20 cm, height 60–100 cm or more)\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 must be plump and clear, no rot; 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\u003e3–5 upright leaves\/stems, normal grayish-green leaves with white frost; root system well-developed and not pot-bound; no serious pests or diseases\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 Thalia dealbata (purple flower, gray leaf type), not other Thalia species\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 April–May in Central China)\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 shallow water mud or saturated moist mud; bury rhizomes flat and cover with 3–5 cm of mud, with buds slightly exposed; maintain 5–10 cm shallow water initially, adjust to design water depth after survival\/leaf expansion.\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 the base; apply mud-balled fertilizer deep during peak growth periods.\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\u003eRenewal and Rejuvenation:\u003c\/strong\u003e Divide and replant every 2–3 years depending on density to prevent central balding from overcrowding.\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 Cut back aerial parts after they wither in winter (leave 10–15 cm at the base); in cold areas, cover the root zone with straw or store rhizomes in moist sand to replant the following spring.\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 Very few; occasionally aphids damage tender shoots, wash with clean water or use specific medicine; promptly remove withered old leaves to prevent water quality deterioration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Autumn Field Nursery Base","offers":[{"title":"Default Title","offer_id":45175814946925,"sku":null,"price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/1727\/7293\/files\/water-canna-thalia-dealbata.png?v=1781401568","url":"https:\/\/virturaintl.com\/products\/water-canna-thalia-dealbata","provider":"Autumn Field Nursery Base","version":"1.0","type":"link"}