Marigold blossom have a sunny disposition , producing bright and colorful blooms and boom in full sunlight . The chrysanthemum - like flush bloom in a orbit of colors including , yellow , orange , mahogany and bicolored efflorescence . The bright green foliage is often fragrant and the blooms attract butterfly to the garden . Tucked into a container or used as fresh - issue flowers , marigolds create a showy display , no matter where they turn .

American Marigold

American marigold ( Tagetes erecta ) is an annual flower with a clumping shape that blooms during summer to fire up up the garden with color . grow 1 to 4 inches tall , American marigold have a bivalent flowerhead that grows 2 to 6 inch wide . The blossom come in a broad range of colors admit , orangish , yellow , mahogany and white . Because the flowerheads on American marigolds are heavy , they many take staking to keep this one-year upright . They grow well in full Sunday and moist , well - drain soil but tolerate dry land . Hardy in all USDA hardiness zones .

French Marigold

French marigold ( Tagetes patula ) is a summertime - blossom annual with a bushy development habit . The small single flowers on French marigolds vagabond from doubled to semi - bivalent in flesh . Often the petals are bicolored and tip or striped with mahogany tree or red . Growing 6 to 12 in grandiloquent , French marigolds require deadheading , or removing the spent blooms , to promote a long flowering time of year . They grow well in full Lord’s Day and well - debilitate , moist soil . Hardy in all USDA zones .

Signet Marigold

Signet marigold ( Tagetes temurfolia ) , a diverseness of marigold , is an annual flower that grows 8 to 18 inches tall . The single peak are yellow and orangish to give rise a cheerful display among the garden . According to North Carolina State University Extension , " leave of absence are pinnately divided producing a fern - same event . " Signet marigold efflorescence take full Lord’s Day and well - drained grease to thrive . Hardy in all USDA geographical zone .

Marsh Marigold

Marsh marigold ( Caltha palustris ) is a perennial marigold variety that grows 1 to 2 feet marvelous with a mounding , clumping form . emerge in spring and lasting into summer , Marsh marigold have a panoptic flower that spring up 1 to 1 ½ inches wide . The five- to six - petaled flowers are bright yellow to counterpoint with the green foliage . The bosom - shaped folio on marsh marigolds grow 2 to 6 inch long with a toothed edging around each leaf . Marsh marigolds necessitate full sun to part shade and moist , well - drain soil . Plant marsh marigolds in USDA hardiness zones 3 to 7 .

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