{"product_id":"mammillaria-spinosissima-red-headed-irishman-1","title":"Mammillaria spinosissima - Red Headed Irishman","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cem\u003e\u003cstrong\u003eMammillaria spinosissima\u003c\/strong\u003e\u003c\/em\u003e \u003cstrong\u003e— Red-Headed Irishman\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eYou will receive this exact specimen.\u003cbr\u003eMeasures approximately \u003cstrong\u003e8.5\" tall above the soil line\u003c\/strong\u003e.\u003cbr\u003eShowcased here in \u003cstrong\u003eTuscany Earthen Terra Cotta – Villa Blue Planter No. 220\u003c\/strong\u003e (sold separately).\u003cbr\u003eRoots as shown.\u003cbr\u003eWill be shipped bare root.\u003c\/p\u003e\n\u003cp\u003e🌵\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMammillaria spinosissima\u003c\/strong\u003e\u003c\/em\u003e, commonly known as the \u003cstrong\u003eRed-Headed Irishman\u003c\/strong\u003e, is a classic and exceptionally handsome columnar \u003cem\u003eMammillaria\u003c\/em\u003e native to \u003cstrong\u003eMexico\u003c\/strong\u003e. Rather than forming the pronounced ribs found on many columnar cacti, its surface is composed of tightly arranged tubercles, each carrying a starburst of fine radial spines and longer central spines. The result is a remarkably intricate surface, with hundreds of individual spine clusters creating a dense lattice around the green body. New growth toward the crown can develop especially rich reddish-brown spination, giving rise to its memorable common name.\u003c\/p\u003e\n\u003cp\u003eThis exact specimen is particularly impressive for its \u003cstrong\u003etall, mature columnar form\u003c\/strong\u003e. Measuring approximately \u003cstrong\u003e8.5 inches above the soil line\u003c\/strong\u003e, it has developed a beautifully substantial upright body covered from base to crown in dense, orderly spination. The warmer coppery and reddish tones concentrated toward the growing tip contrast beautifully with the silvery-white radial spines below. Its slight natural irregularity gives the plant considerably more character than a perfectly uniform young specimen and reflects the years of growth already invested in it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCare Instructions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e☀️ \u003cstrong\u003eLight:\u003c\/strong\u003e Bright light to full sun. Strong light encourages compact growth and helps maintain dense, colorful spination. Acclimate gradually to intense direct sun after shipping or periods in lower light.\u003c\/p\u003e\n\u003cp\u003e💧 \u003cstrong\u003eWater:\u003c\/strong\u003e Water thoroughly during active growth, then allow the soil to dry completely before watering again. Reduce watering considerably during cooler winter months.\u003c\/p\u003e\n\u003cp\u003e🪨 \u003cstrong\u003eSoil:\u003c\/strong\u003e Use a fast-draining, mineral-rich cactus mix. Excellent drainage is essential, and the roots should never remain in persistently wet soil.\u003c\/p\u003e\n\u003cp\u003e🌡️ \u003cstrong\u003eTemperature:\u003c\/strong\u003e Prefers warm conditions during active growth. Protect from hard frost and prolonged cold, particularly when the soil is damp.\u003c\/p\u003e\n\u003cp\u003e💨 \u003cstrong\u003eHumidity:\u003c\/strong\u003e Low humidity with good air circulation is ideal.\u003c\/p\u003e\n\u003cp\u003e🌱 \u003cstrong\u003eGrowth Habit:\u003c\/strong\u003e Initially globular to short-columnar, becoming increasingly elongated with age. Mature plants may eventually produce offsets and develop into clusters.\u003c\/p\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eSpecial Note:\u003c\/strong\u003e Despite the delicate appearance of its dense spination, the spines are sharp. Handle carefully when repotting or moving the plant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It Stands Out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImpressive \u003cstrong\u003e8.5\" tall\u003c\/strong\u003e established specimen\u003c\/li\u003e\n\u003cli\u003eBeautiful mature \u003cstrong\u003ecolumnar form\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDense silvery-white radial spination\u003c\/li\u003e\n\u003cli\u003eDistinctive reddish to copper-toned spines toward the crown\u003c\/li\u003e\n\u003cli\u003eIntricate geometric arrangement of tubercles and areoles\u003c\/li\u003e\n\u003cli\u003eNative to \u003cstrong\u003eMexico\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eA classic old-school collector \u003cem\u003eMammillaria\u003c\/em\u003e with tremendous character\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCollector Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe genus \u003cem\u003e\u003cstrong\u003eMammillaria\u003c\/strong\u003e\u003c\/em\u003e is one of the largest and most diverse groups in the cactus family, and its members are immediately recognizable by their tuberculate construction. Instead of conventional ribs, the body is covered with individual raised tubercles arranged in elegant spiraling patterns. This structure gives mature plants extraordinary visual complexity when viewed closely.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMammillaria spinosissima\u003c\/strong\u003e\u003c\/em\u003e is native to \u003cstrong\u003ecentral Mexico\u003c\/strong\u003e, where it grows in rocky environments exposed to strong sun and seasonal dryness. Its dense network of spines provides protection while also helping shade the plant's surface from intense sunlight. As specimens mature, the initially compact body becomes increasingly columnar, eventually producing the tall form seen in this exact plant.\u003c\/p\u003e\n\u003cp\u003eThe wonderful common name \u003cstrong\u003eRed-Headed Irishman\u003c\/strong\u003e comes from the warmer reddish spination that can be particularly noticeable around fresh growth at the crown. On this specimen, that characteristic is beautifully visible: the upper portion carries warmer copper and reddish-brown tones while the established growth below is wrapped in a finer, paler network of spines.\u003c\/p\u003e\n\u003cp\u003eAt approximately \u003cstrong\u003e8.5 inches tall\u003c\/strong\u003e, this is well beyond the appearance of the small juvenile \u003cem\u003eMammillaria\u003c\/em\u003e commonly encountered in cultivation. Its height, dense mature spination and naturally individual silhouette give it genuine specimen character — a beautifully established example of a cactus that only becomes more interesting with age.\u003c\/p\u003e","brand":"Shangri-Ha Cactus Ranch","offers":[{"title":"Default Title","offer_id":50695021232367,"sku":"CA152B","price":18.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/5014\/5519\/files\/Mammillaria_spinosissima_-_Red_Headed_Irishman_090526_1a.jpg?v=1788625289","url":"https:\/\/shangrihacactusranch.com\/products\/mammillaria-spinosissima-red-headed-irishman-1","provider":"Shangri-Ha Cactus Ranch","version":"1.0","type":"link"}