|Bidens coronata (Tall Swamp Marigold) Wildflower Seeds Be the first one to write a review|
About Tall Swamp Marigold: As the name suggests, Tall Swamp Marigold thrives in the moist ground of marshes, ditches, and woodland areas. Its spreading habit and large yellow flowers make it a colorful addition to native wildflower plantings or natural landscaping; the seeds are also a favorite with songbirds. The first specimens of this plant were documented along the Potomac River in 1902. Its Latin name, “bidens,” meaning "with two prongs," refers to the two barbs on the seed.
Tall Swamp Marigold Germination: In late fall, direct sow the seed just below the surface of the soil and lightly press down the soil. For spring planting, mix the seed with moist sand and store it in the refrigerator for 30 days before planting. Direct sow and keep the soil moist until germination. Thin or transplant seedlings to 18-24" apart. This plant prefers wet or even mucky ground, and can adapt to clay or sand.
Growing Tall Swamp Marigold Seeds: This plant cannot tolerate drought, and will need to be watered in dry weather or if the soil is not naturally wet. Though an annual, this plant will spread and reseed itself; it attracts bees, butterflies, and many beneficial insects.
Harvesting Tall Swamp Marigold: For fresh flowers, cut the stems at ground level and place them in water immediately.
Saving Tall Swamp Marigold Seeds: The ripe seed heads will hang down, containing dark brown seeds with four barbs. The seed has a tendency to stick to clothes, fur, or anything it brushes against. Collect the seed heads and separate the seed from the husks. Store the seed in a cool, dark place.
Detailed Tall Swamp Marigold Info: Origin: US Native Other Common Names: Crowned Beggarticks Duration: Annual Bloom Time: Fall Height: 40-48 inches Spacing: 18-24 inches Light: Full Sun Soil Moisture: Wet USDA Zone: 3a-6b Seeds Per Oz: 6,800 Produces a plant with narrow, segmented green foliage and 2” yellow daisy-like flowers.
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