- Species and varieties: Cosmos bipinnatus, commonly known as garden cosmos or Mexican aster, is a species of flowering plant in the daisy family Asteraceae. The 'red' variety refers to the vibrant red-colored flowers that this particular seed produces.
- Hybrid or heirloom: Cosmos bipinnatus seeds are typically heirloom varieties, meaning they are open-pollinated and have been passed down through generations without genetic modification. This ensures that the plants grown from these seeds will be true to type.
- Pruning and training: Cosmos bipinnatus requires minimal pruning. Deadheading spent flowers can encourage continuous blooming throughout the growing season. The plants may need staking if they become too tall or are grown in windy areas.
- Fertilization needs: Cosmos bipinnatus does not require heavy fertilization. Over-fertilizing can lead to excessive foliage growth at the expense of flowers. A light application of a balanced, slow-release fertilizer at planting time is usually sufficient.
- Hardiness zones: Cosmos bipinnatus is suitable for USDA hardiness zones 2 through 11. This wide range makes it a versatile plant that can be grown in many different climates.
- Climate requirements: Cosmos bipinnatus thrives in full sun and well-drained soil. It is drought-tolerant once established and prefers a warm climate. The plant can tolerate poor soil conditions but performs best in moderately fertile soil.