Do cosmos need staking? The taller varieties of cosmos will need staking to prevent them flopping over.
They can grow up to 8 feet (2.5m) and flowers can reach 3 inches (8cm) across. 'It's worth taking the time to stake them properly as they benefit greatly from growing straight early on..
growing cosmos in a pot
Space the seedlings about 30cm (1ft) apart in good compost..
growing cosmos in a pot
Space the seedlings about 30cm (1ft) apart in good compost.Jan 8, 2021.
Plants get very bushy and prefer a little extra room to spread out, so space plants 12 to 18 inches (30.5 to 46 cm) apart.
Once in the ground, cosmos will grow rapidly, so be sure to stake them early, while they are still young.Dec 13, 2019.
Do cosmos need staking? The taller varieties of cosmos will need staking to prevent them flopping over.
They can grow up to 8 feet (2.5m) and flowers can reach 3 inches (8cm) across. 'It's worth taking the time to stake them properly as they benefit greatly from growing straight early on..
They have been cultivated for ornamental purposes for centuries and are now grown in many parts of the world as garden plants.
Plant size:
Cosmos cultivars sport a larger number of colors than regular cosmos, including:
There are over 25 species of cosmos.
However, three species are most commonly used in gardens and landscaping.
Cosmos sulphureus is native to Mexico, Central America, and northern South America.
With golden yellow blooms, it is very drought tolerant and loves hot weather.
The plant grows 2 to 6 feet tall and comes in double and semi-double flowers.
Cosmos 'Sonata White' bears pure-white flowers on sturdy, 18-inch-tall plants.
Cosmos sulphureus 'Cosmic Yellow' is a compact selection with double yellow flowers over dark green foliage.
It grows 12 inches tall.
This cultivar of Cosmos sulphureus bears many double orange flowers that are great for cutting.
It grows 12 inches tall.
