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Signet Marigold

Tagetes tenuifolia

Mounds of lacy foliage and a mix of bright paprika, pumpkin orange, and lemon yellow-color blossoms lend Signet marigold a delicate, refined appearance that is quite unlike its relative, the African marigold. Just as easy-to-grow from seed and as long-flowering as the more common large marigold, Signet marigold is a vintage plant that is regaining popularity. Add this little wonder to containers and garden planting beds for months of easy-care color.

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Light:

Sun

Type:

Height:

6 to 12 inches

Width:

From 8 to 12 inches

Flower Color:

Foliage Color:

Seasonal Features:

Problem Solvers:

Propagation

Colorful Combinations

There are hundreds of landscape uses for this petite plant. Edge a narrow walkway with the bright blossoms of Signet marigold. Add several plants to a window box for ever-present color right outside your window. Pair Signet marigold with African and French marigolds for a show of color from early summer until the first frost. Add a group of nectar-rich signets to landscape bed to attract butterflies and then sit back and watch the show.

See more yellow flower options for your garden here.

Signet Marigold Care Must-Knows

Signet marigolds grow best in full sun and moist, well-drained soil. They will tolerate periods of drought after they establish a strong root system. Start plants from seed or from transplants. Seeds can be started indoors 4 to 6 weeks before the last expected frost. Plant seeds 1 inch apart in a container of well-drained seed starting mix. Plant seeds ¼ inch deep, and keep the soil moist until you are ready to transplant them outside.

Put together a deer and rabbit-resistant container garden with marigolds.

Or, you can sow seed directly into well-worked garden soil once all danger of frost is past. Space seeds 2 to 3 inches apart and plant them ¼ inch deep. Marigold seeds germinate quickly, so expect to see fine, grasslike foliage pop out of the ground about 7 days after planting.

Water plants regularly for the best blossom. Fertilizing can improve flowering, but it is not necessary. If you decide to fertilize, use an all-purpose fertilizer every couple of weeks, following package application directions carefully. If plants become tall, lanky, and bedraggled looking, cut them back by half their height, and they will send forth new foliage and blossoms.

Use edible flowers, like 'Tangerine Gem,' in your cooking.

More Varieties Of Signet Marigold

'Lemon Gem' marigold

This variety of Tagetes tenuifolia bears single golden-yellow blooms all summer long on 1-foot-tall plants.

'Red Gem' marigold

Single red-orange blooms on this selection of Tagetes tenuifolia 'Red Gem' last all summer long on 1-foot-tall plants.

'Tangerine Gem' marigold

Tagetes tenuifolia 'Tangerine Gem' bears single orange-yellow blooms all summer long on 1-foot-tall plants.

Plant Signet Marigold With:

Cosmos
You can depend on this cottage-garden favorite to fill your garden with color all season long. The simple, daisylike flowers appear in cheery shades on tall stems that are great for cutting. The lacy foliage makes a great backdrop for shorter plants, as well. Cosmos often self-seeds in the garden, so you may only have to plant it once, though the colors can appear muddy or odd in the reseeders.Plant cosmos from seed directly in the ground in spring. Or start from established seedlings. This flower doesn't like fertilizing or conditions that are too rich, which causes the foliage to be large and lush but with fewer blooms. It does best with average moisture but will tolerate drought.
Geranium
Geraniums have been a gardener's favorite for well over a century. The old-fashioned standard for beds, borders, and containers, geranium is still one of the most popular plants today. Traditional bedding types love hot weather and hold up well to dry conditions; many offer colorful foliage. Regal, also called Martha Washington, geraniums are more delicate-looking and do better in the cool conditions of spring and fall.Though most geraniums are grown as annuals, they are perennials in Zones 10-11. Bring them indoors to overwinter, if you like, then replant outdoors in spring. Or they can bloom indoors all year long if they get enough light.
Sweet potato vine
Among the most popular container-garden plants, sweet potato vine is a vigorous grower that you can count on to make a big impact. Its colorful foliage, in shades of chartreuse or purple, accents just about any other plant. Grow a few together in a large pot, and they make a big impact all on their own.Sweet potato vines do best during the warm days of summer and prefer moist, well-drained soil. They thrive in sun or shade.
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