How to Sow and Plant
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Sow Cosmos Sensation seeds under glass from mid-March to mid-April or sow outdoors from mid-April until the end of May in a well-prepared seedbed. Once seedlings are strong, transplant them 5 to 6 weeks after sowing, spacing plants to allow for their mature height of around 100 cm. Choose a sunny location with light soil for best results. This method ensures an abundant display of vibrant blooms and lush foliage, ideal for enhancing garden borders and creating beautiful cut flower arrangements.
Cosmos Sensation thrives in full sunlight and reaches up to 100 cm tall, making it perfect for tall borders and cut flower arrangements. Regular watering supports healthy growth, but avoid waterlogging. Deadhead spent blooms to encourage continuous flowering from July to October. The delicate foliage serves beautifully as cut greenery, adding texture to bouquets. Protect plants from strong winds due to their height, and consider staking if necessary. These annuals bring vibrant color and airy charm to your garden, enriching both outdoor spaces and floral displays throughout the summer and early autumn months.
Sow Cosmos Sensation seeds indoors from mid-March to mid-April or directly outdoors from mid-April to the end of May. Transplant seedlings after 5 to 6 weeks to a sunny spot with well-drained soil for best growth. These plants thrive in taller borders and bring vibrant color from July to October. Regular watering encourages prolific blooming, while pinching back young shoots can promote bushier growth. The airy foliage makes a beautiful addition to bouquets, providing delicate greenery that complements the vivid flowers perfectly.
What height do Cosmos Sensation plants typically reach?
These Cosmos bipinnatus plants grow up to about 100 cm tall, making them ideal for tall garden borders and cut flower arrangements.
When is the best time to sow Cosmos Sensation seeds?
You can sow the seeds under glass from mid-March to mid-April or sow them outdoors from mid-April until the end of May for optimal growth.
What growing conditions do Cosmos Sensation seeds require?
They thrive in full sunlight with light soil. Regular watering is important, but avoid waterlogging, and protect plants from strong winds due to their height.
How can Cosmos Sensation be used in floral arrangements?
The plants produce delicate foliage that works beautifully as cut greenery, adding texture and height to bouquets and floral displays.
How long do Cosmos Sensation flowers bloom?
These annuals bloom continuously from July through October when properly cared for, including deadheading spent flowers to encourage more blooms.
What spacing is recommended when transplanting Cosmos Sensation seedlings?
Transplant seedlings 5 to 6 weeks after sowing, spacing them to accommodate their mature height of around 100 cm for healthy growth and vibrant flowering.