{"product_id":"buddleja-davidii-black-knight-butterfly-bush-2ltr-pot","title":"Buddleja davidii 'Black Knight' - Butterfly Bush - 2Ltr Pot","description":"\u003cp data-start=\"0\" data-end=\"281\"\u003e\u003cstrong data-start=\"0\" data-end=\"50\"\u003eBuddleja davidii ‘Black Knight’ Butterfly Bush\u003c\/strong\u003e is a striking deciduous shrub known for its deep purple, fragrant flower spikes that attract butterflies and pollinators. Perfect for sunny borders, this vigorous plant delivers bold colour and wildlife interest throughout summer.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"283\" data-end=\"299\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"300\" data-end=\"673\"\u003e\n\u003cli data-section-id=\"sr2z0e\" data-start=\"300\" data-end=\"363\"\u003eRich, deep purple flower panicles with a pleasant fragrance\u003c\/li\u003e\n\u003cli data-section-id=\"1qbsyd6\" data-start=\"364\" data-end=\"433\"\u003eExcellent for attracting butterflies, bees, and other pollinators\u003c\/li\u003e\n\u003cli data-section-id=\"19yf4db\" data-start=\"434\" data-end=\"505\"\u003eVigorous growth, ideal for creating height and structure in borders\u003c\/li\u003e\n\u003cli data-section-id=\"k8kl07\" data-start=\"506\" data-end=\"581\"\u003eDrought tolerant once established, suitable for low-maintenance gardens\u003c\/li\u003e\n\u003cli data-section-id=\"1jbon7x\" data-start=\"582\" data-end=\"628\"\u003eHardy to -20°C, well-suited to UK climates\u003c\/li\u003e\n\u003cli data-section-id=\"mj83sy\" data-start=\"629\" data-end=\"673\"\u003eSupplied in a 2L pot, ready for planting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1k8uwy3\" data-start=\"675\" data-end=\"698\"\u003eProduct Description\u003c\/h3\u003e\n\u003cp data-start=\"699\" data-end=\"1074\"\u003e\u003cstrong data-start=\"699\" data-end=\"734\"\u003eBuddleja davidii ‘Black Knight’\u003c\/strong\u003e, commonly known as the Butterfly Bush, is a classic garden favourite valued for its dramatic, dark purple blooms and reliable performance. Producing elongated clusters of scented flowers on the tips of current year’s growth, this shrub provides a long-lasting display from mid to late summer while attracting a wide range of pollinators.\u003c\/p\u003e\n\u003cp data-start=\"1076\" data-end=\"1391\"\u003eIts arching branches and lance-shaped green leaves, which are softly pale beneath, create a graceful, airy structure that works well in both informal and structured planting schemes. Ideal for wildlife gardens, cottage gardens, or mixed borders, ‘Black Knight’ offers strong visual impact and ecological benefits.\u003c\/p\u003e\n\u003cp data-start=\"1393\" data-end=\"1710\"\u003eAdaptable to a variety of soil types—including chalk, clay, loam, and sandy soils—this hardy shrub thrives in sunny positions and tolerates drier conditions once established. Its robust nature and minimal care requirements make it an excellent choice for gardeners seeking a dependable yet eye-catching feature plant.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1712\" data-end=\"1730\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"1731\" data-end=\"2100\"\u003e\n\u003cli data-section-id=\"2wp2rs\" data-start=\"1731\" data-end=\"1797\"\u003eProduct Name: Buddleja davidii ‘Black Knight’ – Butterfly Bush\u003c\/li\u003e\n\u003cli data-section-id=\"fwevxe\" data-start=\"1798\" data-end=\"1814\"\u003ePot Size: 2L\u003c\/li\u003e\n\u003cli data-section-id=\"1gyv2qt\" data-start=\"1815\" data-end=\"1856\"\u003ePlant Type: Deciduous flowering shrub\u003c\/li\u003e\n\u003cli data-section-id=\"1elbkv9\" data-start=\"1857\" data-end=\"1887\"\u003eFlower Colour: Deep purple\u003c\/li\u003e\n\u003cli data-section-id=\"1q1mkxy\" data-start=\"1888\" data-end=\"1922\"\u003eFragrance: Yes, scented blooms\u003c\/li\u003e\n\u003cli data-section-id=\"1gbif42\" data-start=\"1923\" data-end=\"1956\"\u003eUltimate Height: 2.5–4 metres\u003c\/li\u003e\n\u003cli data-section-id=\"1jpdqcs\" data-start=\"1957\" data-end=\"1990\"\u003eUltimate Spread: 2.5–4 metres\u003c\/li\u003e\n\u003cli data-section-id=\"jkeuzg\" data-start=\"1991\" data-end=\"2023\"\u003eTime to Maturity: 5–10 years\u003c\/li\u003e\n\u003cli data-section-id=\"l5e8we\" data-start=\"2024\" data-end=\"2053\"\u003eHardiness: Hardy to -20°C\u003c\/li\u003e\n\u003cli data-section-id=\"1u8elf5\" data-start=\"2054\" data-end=\"2100\"\u003eDrought Resistance: Yes (once established)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"e21a7f\" data-start=\"2102\" data-end=\"2124\"\u003eGrowing Conditions\u003c\/h3\u003e\n\u003cul data-start=\"2125\" data-end=\"2395\"\u003e\n\u003cli data-section-id=\"1jz6wo1\" data-start=\"2125\" data-end=\"2164\"\u003eSoil Types: Chalk, clay, loam, sand\u003c\/li\u003e\n\u003cli data-section-id=\"1rwk5sw\" data-start=\"2165\" data-end=\"2201\"\u003eSoil pH: Acid, neutral, alkaline\u003c\/li\u003e\n\u003cli data-section-id=\"fomp93\" data-start=\"2202\" data-end=\"2259\"\u003eMoisture: Moist but well-drained or well-drained soil\u003c\/li\u003e\n\u003cli data-section-id=\"192t70l\" data-start=\"2260\" data-end=\"2299\"\u003ePosition: Full sun or partial shade\u003c\/li\u003e\n\u003cli data-section-id=\"19tolxx\" data-start=\"2300\" data-end=\"2341\"\u003eAspect: East-, South-, or West-facing\u003c\/li\u003e\n\u003cli data-section-id=\"c39am\" data-start=\"2342\" data-end=\"2395\"\u003eExposure: Suitable for exposed or sheltered sites\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"7qugdp\" data-start=\"2397\" data-end=\"2410\"\u003eCare Tips\u003c\/h3\u003e\n\u003cul data-start=\"2411\" data-end=\"2770\"\u003e\n\u003cli data-section-id=\"1lmqdqs\" data-start=\"2411\" data-end=\"2490\"\u003ePrune hard in early spring to encourage fresh growth and abundant flowering\u003c\/li\u003e\n\u003cli data-section-id=\"1leej7y\" data-start=\"2491\" data-end=\"2561\"\u003ePlant in a sunny position for the best colour and bloom production\u003c\/li\u003e\n\u003cli data-section-id=\"gr6tzf\" data-start=\"2562\" data-end=\"2632\"\u003eWater regularly during the first growing season to establish roots\u003c\/li\u003e\n\u003cli data-section-id=\"1jc1r8r\" data-start=\"2633\" data-end=\"2691\"\u003eDeadhead spent flowers to prolong the flowering period\u003c\/li\u003e\n\u003cli data-section-id=\"5is9bm\" data-start=\"2692\" data-end=\"2770\"\u003eApply mulch annually to help retain soil moisture and improve soil quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"dnem9n\" data-start=\"2772\" data-end=\"2806\"\u003eAdd Bold Colour to Your Garden\u003c\/h3\u003e\n\u003cp data-start=\"2807\" data-end=\"3026\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBring dramatic depth and pollinator appeal to your outdoor space with Buddleja ‘Black Knight’. A reliable, easy-care shrub that’s perfect for gardeners looking to combine striking colour with wildlife-friendly planting.\u003c\/p\u003e","brand":"Green Inspiration","offers":[{"title":"Default Title","offer_id":58012791210368,"sku":"30245304","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/3570\/2578\/files\/buddleja-davidii-empire-blue-butterfly-bush-2ltr-pot_1.jpg?v=1777624325","url":"https:\/\/oldrailwaylinegc.co.uk\/products\/buddleja-davidii-black-knight-butterfly-bush-2ltr-pot","provider":"Old Railway Line Garden Centre","version":"1.0","type":"link"}