The cheerful golden yellow flowers of Happy Days sunflower (Helianthus ‘Happy Days’) should brighten your garden during the waning days of summer (USDA hardiness zones 5-9). This perennial sunflower has a long 4 to 6 week blooming period. In its first season new plants grow 24-30 inches tall and almost as wide. In subsequent years, tack on an additional 12-18 inches in […]
Archive for September 4th, 2015
Mid-Summer Blooming ‘Happy Days’ Sunflower
Posted by Hugh on September 4th, 2015
Posted in acidic soil, Bee Favorite, Butterflies, compost, Container growing, Disease resistant, Drought tolerant, Fertilizing plants, Perennials, Planting tips, Propagation (dividing), Southern Appalachian Region, Summer flowering, Summer heat tolerant, Sunflower (Helianthus), Sunflowers, watering tips, winter hardiness 
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