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Thin to 12–18 inches apart when seedlings are a few inches tall. Depending on the variety, cosmos can grow anywhere from 18 to 60 inches tall, so plan accordingly. If you are growing cosmos from seeds, be mindful that it takes about 7 weeks to first bloom. After that, your flowers should continue to bloom until the first fall frost.
Apr 27, 2022 · Look for a cosmos shoot that has 3 to 5 leaf nodes on the stem. Cut under the last leaf node. At the last leaf node, carefully cut off the leaves, leaving the node intact for new growth. Bury the cut tip of the stem in the pencil-made hole. Make sure that the last leaf node is above the soil line.
Oct 2, 2023 · The Spanish discovered cosmos in Mexico hundreds of years ago. As the Spanish traveled through present-day Mexico, conquering and studying the region, they found many splendid plant specimens, one of which was the quirky and remarkable flower known today as cosmos.In the late 18th century, interest in botany in Europe practically blossomed.
Cosmos 'Sea Shells' – with pale fluted petals, like a sea shell, it's a great planting partner for dark-flowered dahlias and chrysanthemums; Cosmos bipinnatus 'Sonata White' – a compact cosmos, good for growing in containers. Masses of pure white, single, saucer-shaped flowers appear through the summer; Cosmos bipinnatus 'Fizzy Pink' – with strong flower colours from white to carmine ...
Mar 17, 2022 · Best Uses for Cosmos Flowers. Cosmos can be used in the landscape in countless ways. Use them as part of your landscaping plan for a tall, wispy floral accent or create mass plantings for a strong visual statement. In mixed flower beds, plant tall varieties at the back of borders or as a central focal point, and use smaller varieties in the ...
Popular Species of Cosmos. Cosmos bipinnatus: Also known as the Mexican aster or garden cosmos, this is the most commonly grown species.Plants typically grow to a height of 2-5 feet (60 to 180 cm) and produce large, daisy-like flowers in a variety of colors, including pink, white, red, orange, and yellow.
Jun 22, 2023 · The cosmos flower easily self-sows and will likely form a dense patch in a flower bed where it will come back year after year. Most varieties are annuals and will need to be resown each year, although chocolate cosmos are perennials that grow from tubers and are hardy to USDA zone 7. Q: ...
Jul 15, 2022 · Try a mix of shorter dwarf cosmos varieties, such as the Sensation and Sonata mixes, grown from seed, or buy as seedlings and plant out from May, spaced about 11in (30cm) apart. Cosmos work particularly well in pots with zinnias. Use a light potting mix, in pots with good drainage and place in a sunny spot.
Create a cutting flower garden and include cosmos with other cut flowers such as dahlias, gladiolus, pinks, roses, snapdragons, sunflowers, and zinnias. Sprinkle cosmos seeds in a meadow garden to augment plantings of black-eyed Susan, blanket flower, blazing star, coreopsis, goldenrod, purple coneflower, and Shasta daisy.
Prepare a well-draining bed in full sun. If growing for cut flowers, create straight rows (9-12 feet apart) for efficient weeding and harvesting. Direct seed cosmos into shallow trenches (created by a trowel, hori hori, or ruler), then cover the seeds lightly with soil by gently refilling the trenches.
