{"product_id":"jackmanii-superba-clematis","title":"Jackmanii Superba Clematis","description":"\u003ch1\u003eDeeper, Fuller Purple Than the Classic Jackmanii\u003c\/h1\u003e\n\u003cp\u003eJackmanii Superba Clematis (\u003cem\u003eClematis\u003c\/em\u003e 'Jackmanii Superba') is the upgraded version of the world's most popular clematis — same velvety royal-purple, but with broader, fuller sepals and a slightly richer, plummier tone. It's a vigorous, beginner-friendly climber that blooms midsummer to fall, zone 4 hardy, and uses the easy Group 3 pruning. Like all clematis, it wants its top in the sun and roots in cool shade. Whether you're covering a fence in Edina, climbing an arbor in Maple Grove, or scrambling up a post in Woodbury — Jackmanii Superba brings deep purple to zone 4b–5a yards.\u003c\/p\u003e\n\u003ch2\u003eJackmanii Superba Clematis Plant Details\u003c\/h2\u003e\n\u003ctable class=\"mce-item-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScientific Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cem\u003eClematis\u003c\/em\u003e 'Jackmanii Superba'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlant Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDeciduous flowering climbing vine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMature Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–12 feet (with support)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMature Spread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–4 feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSun\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull sun to part shade (6+ hours for best bloom); keep the roots cool and shaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModerate — consistent moisture in well-draining soil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSDA Zones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4–8 (Twin Cities is zone 4b–5a)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoil\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRich, well-draining; amend Minnesota clay-loam with compost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePruning Group\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGroup 3 (cut back hard in early spring); blooms on new wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBloom\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBroad, velvety deep-purple flowers, midsummer through fall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWinter Hardiness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReliable to zone 4; mulch the crown the first winter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eJackmanii Superba Clematis Uses in Minnesota Landscapes\u003c\/h2\u003e\n\u003ch3\u003eFences, arbors, and pergolas\u003c\/h3\u003e\n\u003cp\u003eVigorous enough to cover a fence or arbor fast in Plymouth. Give it thin supports its leaf stems can twine around.\u003c\/p\u003e\n\u003ch3\u003eScrambling through shrubs\u003c\/h3\u003e\n\u003cp\u003eLet it weave up through a spring-blooming shrub or evergreen for a second season of color in Eden Prairie.\u003c\/p\u003e\n\u003ch3\u003eCut flowers and pollinators\u003c\/h3\u003e\n\u003cp\u003eThe full purple blooms are excellent cut, and bees work them all summer.\u003c\/p\u003e\n\u003ch2\u003eBest Time to Plant Jackmanii Superba Clematis in Minnesota\u003c\/h2\u003e\n\u003cp\u003eSpring (late April–May) and early fall (late August–September) are both excellent. Avoid summer heat, and never plant after mid-October — frost-heaving kills new roots.\u003c\/p\u003e\n\u003ch2\u003eHow to Plant Jackmanii Superba Clematis\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eSite it so the top gets sun but the roots stay cool and shaded — \"head in the sun, feet in the shade.\"\u003c\/li\u003e\n\u003cli\u003eDig 2–3× the root ball width and set the plant 2–3 inches \u003cem\u003edeeper\u003c\/em\u003e than it grew in the pot to guard against clematis wilt.\u003c\/li\u003e\n\u003cli\u003eBackfill with native soil plus 20–30% compost; firm gently and water in well.\u003c\/li\u003e\n\u003cli\u003eInstall the support at planting and tie young stems to start them climbing.\u003c\/li\u003e\n\u003cli\u003eMulch 2–3 inches over the root zone or shade the base with a low perennial; keep mulch off the stems.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eWatering Jackmanii Superba Clematis in Minnesota\u003c\/h2\u003e\n\u003ch3\u003eFirst Year Watering Schedule\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWeeks 1–2: Every 2–3 days, deep and slow\u003c\/li\u003e\n\u003cli\u003eMonth 1–2: Every 3–4 days\u003c\/li\u003e\n\u003cli\u003eMonth 3–6: Weekly; keep evenly moist but never waterlogged\u003c\/li\u003e\n\u003cli\u003eStop watering 2–3 weeks before ground freeze (typically late October in the Twin Cities).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAfter Year One\u003c\/h3\u003e\n\u003cp\u003eWater deeply during dry spells, especially in summer heat. Deep roots and steady moisture keep it blooming heavily.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is it different from regular Jackmanii?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuperba has wider, more overlapping sepals and a slightly richer, plummier purple, giving a fuller-looking flower. Care and habit are the same.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I prune it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt's the easy Group 3 type — in early spring, cut the whole plant back to about 12 inches. It blooms on new wood, so this keeps it full from the base.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it survive a Minnesota winter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes — hardy to zone 4 and very tough. Mulch the crown the first winter or two.\u003c\/p\u003e\n\u003ch2\u003eYou May Also Like\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eJackmanii Clematis — the original classic purple\u003c\/li\u003e\n\u003cli\u003eWarsaw Nike Clematis — royal velvety purple, Group 3\u003c\/li\u003e\n\u003cli\u003eVille de Lyon Clematis — carmine-red, Group 3\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Three Timbers Minnesota","offers":[{"title":"#1\/7\" Pot","offer_id":54304783991089,"sku":null,"price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/0694\/0465\/files\/jackmanii-superba-clematis.jpg?v=1779557843","url":"https:\/\/threetimbersmn.com\/products\/jackmanii-superba-clematis","provider":"Three Timbers Minnesota","version":"1.0","type":"link"}