Dianthus is a diverse and widespread genus of flowering plants in the family Caryophyllaceae. Commonly known as "pinks," these plants are popular in gardens for their attractive and fragrant flowers. Here are some key features and information about Dianthus:

1. Flowers: Dianthus flowers are typically characterized by their fringed or serrated petals, giving them a distinctive appearance. The flowers come in various colors, including shades of pink, red, white, and lavender. The name "pinks" is believed to refer not to the color but to the jagged edges of the petals.

2. Foliage: The leaves of Dianthus are opposite, slender, and often bluish-green. Some species have grass-like leaves, while others may have broader, lance-shaped leaves.

3. Fragrance: Many Dianthus species and cultivars are known for their pleasant fragrance, which can be spicy, clove-like, or sweet. The fragrance adds to their appeal in gardens.

4. Height: Dianthus plants vary in size, with some low-growing varieties suitable for ground covers or edging, and others growing as tall as 18 inches (45 cm) or more.

5. Perennial and Annual Varieties: Dianthus includes both perennial and annual species. Perennial Dianthus varieties often form dense clumps and may be evergreen in milder climates. Annuals are grown as seasonal bedding plants.

6. Sun Requirements: Most Dianthus varieties prefer full sun but can tolerate some partial shade. They typically perform best in well-drained soil.

7. Types of Dianthus: The genus includes various species and hybrids. Some common types include Dianthus chinensis (China pink), Dianthus caryophyllus (carnation), Dianthus deltoides (maiden pink), and Dianthus barbatus (sweet William).

8. Use in Gardens: Dianthus is versatile and can be used in various garden settings. Low-growing varieties are suitable for rock gardens, borders, and edging, while taller types work well in mixed flower beds or as cut flowers.

9. Propagation: Dianthus can be propagated by seeds, division, or cuttings. Many gardeners prefer to grow Dianthus from nursery-bought plants to enjoy their blooms more quickly.

10. Disease Resistance: Dianthus is generally resistant to many pests and diseases, making it a relatively low-maintenance addition to the garden.

Dianthus is valued not only for its charming appearance and fragrance but also for its ability to attract butterflies and other pollinators. With their wide range of colors and forms, Dianthus plants offer gardeners many options to enhance their outdoor spaces.