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Description
Cosmos Crithmifolius, also known as Cosmos sulphureus, is a species of flowering plant native to Mexico. It belongs to the Asteraceae family, and it is a herbaceous annual plant that grows up to 1 meter tall. It has bright yellow to orange flowers, which bloom from summer to fall.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Cosmos |
Appearance
Cosmos Crithmifolius has a slender stem, which is covered in fine hairs. Its leaves are pinnate and green, and they measure up to 10 centimeters long. The flowers are daisy-like, and they can range in color from bright yellow to orange. They measure up to 7 centimeters in diameter, and they bloom from summer to fall.
Care Guide
Water: Cosmos Crithmifolius requires moderate watering. It is best to water it deeply once a week, rather than giving it frequent shallow waterings.Fertilization: The plant should be fertilized every two weeks during its growing season, which is from spring to fall. Use a balanced fertilizer to ensure healthy growth and blooming.Soil: The plant prefers well-draining soil. It can grow in a wide range of soil types, but it thrives in loamy soil.Sunlight: Cosmos Crithmifolius requires full sunlight to grow and bloom properly. It can tolerate partial shade, but it may not bloom as well.Hardiness Zones: The plant is hardy in USDA zones 8 to 11.
Common Pests & Diseases
Cosmos Crithmifolius is susceptible to aphids, spider mites, and whiteflies. To prevent these pests from infesting the plant, use insecticidal soap or neem oil. The plant can also be affected by powdery mildew, which can be treated with a fungicide.
Habitat
Cosmos Crithmifolius is native to Mexico, where it grows in open areas, fields, and disturbed sites. It has been introduced to other parts of the world as an ornamental plant.
Question and Answer
Q: Can Cosmos Crithmifolius be grown in containers?A: Yes, the plant can be grown in containers, but it requires a deep pot and regular watering.Q: How often should Cosmos Crithmifolius be pruned?A: The plant does not require regular pruning, but deadheading spent flowers can promote more blooming.Q: Does Cosmos Crithmifolius attract bees and butterflies?A: Yes, the plant is a good source of nectar for bees and butterflies.Q: Can Cosmos Crithmifolius tolerate drought?A: The plant can tolerate short periods of drought, but it requires regular watering to thrive.
Related Plants
– Cosmos bipinnatus- Cosmos atrosanguineus- Cosmos parviflorus- Cosmos sulphureus
References
– “Cosmos sulphureus.” Missouri Botanical Garden. Accessed June 1, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=281936.- “Cosmos sulphureus.” Royal Horticultural Society. Accessed June 1, 2021. https://www.rhs.org.uk/plants/16269/cosmos-sulphureus/details.
