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Many perennial sunflowers are lanky plants best suited to the back of the border. ‘Happy Days’ has sturdy stems that are an ideal height for the middle of the border, as well as for bouquets. And it’s showy enough to use in large containers.
Type Perennial Blooms Golden-yellow in midsummer to early fall Light Full sun Soil Moist, well-drained Size 20 to 24 in. tall, 18 to 24 in. wide Hardiness Cold-hardy USDA zones 5 to 9
Type Perennial Blooms Light pink spikes in early to midsummer Light Full sun Soil Moist, well-drained Size 18 to 24 in. tall and wide Hardiness Cold-hardy in USDA zones 4 to 9
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