{"product_id":"astrophytum-ornatum-seeds","title":"Monk's Hood Cactus \"Star Cactus\" (Astrophytum ornatum) Seeds – Tallest Astrophytum, White Banded Body, Yellow Flowers, Fast-Growing","description":"\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMinimum: \u003c\/strong\u003e\u003cem\u003e10+ Seeds\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003eMonk's Hood Cactus Seeds (Astrophytum ornatum) — The Tallest Star Cactus That Wears White Bands\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003eMonk's Hood Cactus is the undisputed giant of the Astrophytum genus: the largest and tallest of the six species, growing as a solitary columnar monument reaching up to 6.6 feet tall and 12 inches wide in its native Central Plateau of Mexico... and doing so with more speed than its star-cactus relatives. Where other Astrophytums demand decade-long patience before visual drama, ornatum delivers it continuously: white woolly flecks arranged in distinctive diagonal bands across dark green, deeply ribbed stems create striking, armor-like appearance genuinely ornamental at every age. Viewed from above, the 5-10 ribs arrange into a perfect star... giving the plant its 'Star Cactus' name. Ribs are lined with areoles bearing 5-11 radial spines plus one longer central spine, yellow at first, darkening to brown then grey. Late spring through summer, mature plants (typically 5-6 years or older) produce canary yellow flowers up to 3 inches across with occasional red centers, opening by day with a subtle sweet scent. IUCN Vulnerable in the wild, but easy in cultivation and resistant to root rot.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWho Grows Monk's Hood Cactus Seeds?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eCactus collectors wanting the largest, most imposing Astrophytum. Beginners seeking the most beginner-friendly star cactus. Container gardeners wanting visible growth progress. Anyone drawn to white-banded, geometric architecture.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat This Tall Mexican Star Cactus Actually Is\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eAstrophytum ornatum\u003c\/em\u003e, Monk's Hood Cactus or Star Cactus. Largest and tallest species in the Astrophytum genus. Endemic to Central Plateau of Mexico. IUCN Vulnerable in wild. Solitary, cylindrical, dark green stem with 5-10 ribs. White woolly flecks arranged in distinctive diagonal bands. Spines 5-11 per areole, yellow to brown to grey with age. Globular when young, becoming columnar to 6.6 feet tall in habitat. Canary yellow flowers 3 inches across with occasional red center, blooming late spring through summer. Fragrant, opens by day. Faster-growing than other Astrophytums. Root-rot resistant. USDA Zones 9b-11b.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIn the Garden \u0026amp; Collection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eLargest Astrophytum:\u003c\/strong\u003e The undisputed monument-sized star cactus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite-Banded Architecture:\u003c\/strong\u003e Distinctive diagonal scale bands, year-round interest.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStar-Shaped from Above:\u003c\/strong\u003e Classic star silhouette with 5-10 ribs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster-Growing:\u003c\/strong\u003e More progress season to season than other Astrophytums.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYellow Summer Flowers:\u003c\/strong\u003e Fragrant canary yellow blooms atop the column.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeginner-Friendly:\u003c\/strong\u003e Easiest Astrophytum to cultivate, root-rot resistant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContainer Culture:\u003c\/strong\u003e Excellent windowsill or greenhouse specimen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eGrowing Monk's Hood Cactus Seeds\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart:\u003c\/strong\u003e Indoors in warm, bright conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGermination:\u003c\/strong\u003e Surface-sow on well-draining cactus mix.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 70-80°F optimal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight:\u003c\/strong\u003e Bright indirect for seedlings; full sun once established.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e USDA 9b-11b, hardy to approximately 25°F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil:\u003c\/strong\u003e Well-draining cactus mix; 60-80% mineral grit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunlight:\u003c\/strong\u003e Full sun preferred; tolerates bright filtered light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e Water thoroughly when dry in growing season; dry in winter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWinter Dormancy:\u003c\/strong\u003e Dry winter encourages spring flowering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e Wear gloves... spines present.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlowering:\u003c\/strong\u003e Typically 5-6 years from seed; yellow blooms late spring through summer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Minimal; feed once during active growth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eBefore You Close This Page\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eMonk's Hood Cactus, largest Astrophytum, Central Mexico native. IUCN Vulnerable in wild. Dark green 5-10 rib body, white diagonal scale bands. Yellow spines darkening with age. Fragrant canary yellow flowers with occasional red center. Late spring through summer blooming. Faster-growing than other Astrophytums, root-rot resistant, beginner-friendly. USDA Zones 9b-11b. The star cactus built for monuments.\u003c\/p\u003e","brand":"terramatergardens","offers":[{"title":"Default Title","offer_id":54136908218686,"sku":"11545","price":3.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/8836\/7166\/files\/candles-5666.png?v=1787197189","url":"https:\/\/www.terramatergardens.com\/products\/astrophytum-ornatum-seeds","provider":"Terra Mater Gardens","version":"1.0","type":"link"}