{"product_id":"vernonia-lettermannii-summer-swan-song","title":"Vernonia lettermannii 'Summer Swan Song'","description":"\u003cp\u003eVernonia lettermannii 'Summer Swan Song' is a hardy perennial known for its intense violet flower clusters on tall, wiry stems. Vernonia lettermannii 'Summer Swan Song' flowers in late summer to fall in shades of white, and performs best in full sun with moderate watering once established. This perennial matures to roughly 4-6 feet tall and 2-3 feet wide. It is ideal for mixed beds, butterfly gardens, and filling space between shrubs, offering dependable colour that returns every year. Easy to establish and simple to maintain, Vernonia lettermannii 'Summer Swan Song' rewards basic care with a reliable display season after season.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMature height:\u003c\/strong\u003e 4-6 feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMature width:\u003c\/strong\u003e 2-3 feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBloom:\u003c\/strong\u003e White, late summer to fall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight:\u003c\/strong\u003e Full Sun\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e Moderate — about 2.5 cm of water per week in the growing season\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardiness:\u003c\/strong\u003e Zone 4-9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Low maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePruning:\u003c\/strong\u003e Cut back to the ground in late fall or early spring; deadhead spent blooms through the season to encourage rebloom.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Landscape Supply","offers":[{"title":"#1 Cont. \/ 1 Plant","offer_id":49140294156507,"sku":"LS-NVK-8254-1G","price":21.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/9453\/0011\/files\/ComingSoon_3.png?v=1787056608","url":"https:\/\/theyardsupply.ca\/products\/vernonia-lettermannii-summer-swan-song","provider":"The Yard","version":"1.0","type":"link"}