Helianthus laetiflorus ( Morning Sun Sunflower )
Rhizomatous , spreading perennial with serrated , ovate leaves , up to 12 inches long , and coarse stems . Showy , 4 to 5 inch wide-cut flowerheads , compose of record and re floret , are copiously develop on long stalks from summertime to mid - gloam . May need some support . Thrives in moist filth . first-class cold shoulder heyday . Google Plant Images : click here !...