Sternbergia colchiciflora, known as Turkish starflower, is a clump-forming cultivar of the Sternbergia genus, which comprises bulb-forming perennials with narrow, strap-like basal leaves. This deciduous plant produces single, crocus-like flowers on leafless stems, typically in spring and summer. It thrives in full sun with a sheltered aspect, favouring well-drained soils of various types and pH levels. Hardy to UK zone H4, it suits cottage and informal gardens, rock gardens, Mediterranean-style planting, and flower borders.

Turkish starflower (Sternbergia colchiciflora) is a hardy, spring-summer bulb ideal for full sun in rock gardens and cottage borders.

Sternbergia colchiciflora

Sternbergia lutea, the winter daffodil, autumn daffodil, fall daffodil, lily-of-the-field, or yellow autumn crocus, is a bulbous flowering plant in the family Amaryllidaceae, subfamily Amaryllidoideae, in the Narcisseae tribe, which is used as an ornamental plant. It has yellow flowers which appear in autumn. Grow it in full sun and most soil types. In UK gardens it is hardy through an average UK winter (RHS H4). It works well for cottage and informal garden, rock garden, mediterranean climate plants and flower borders and beds. It tolerates soil of any pH, well-drained conditions and south-facing, east-facing and west-facing aspects. Plant at appropriate depth in well-drained soil.

Sternbergia greuteriana is a hardy bulb flowering in spring and summer, ideal for rock gardens and Mediterranean-style borders in full sun.

https://en.wikipedia.org/wiki/Sternbergia_lutea

Sternbergia greuteriana

Sternbergia lutea from Bisceglie, Italy is a bulb-forming perennial in the Amaryllidaceae family. Like others in the Sternbergia genus, it forms clumps with narrow, strap-like deciduous leaves at the base. This cultivar produces single, crocus-like flowers on leafless stems, typically appearing in spring. It thrives in full sun with well-drained soil, suitable for chalk, clay, loam, or sand, and prefers sheltered positions facing south, east, or west. Hardy to UK zone H4, it is well suited to cottage gardens, rock gardens, and Mediterranean-style borders.

Sternbergia lutea is a hardy bulb forming clumps with narrow leaves, ideal for full sun in spring flower borders, rock and cottage gardens.

Sternbergia lutea from Bisceglie, Italy

Sternbergia lutea from Dodona, Greece is a bulbous member of the Amaryllidaceae that produces yellow, autumn-flowering blooms. It forms clumps and is deciduous, retreating to the bulb between seasons. Give it a sunny, well-drained site on chalk, clay, loam or sand and a sheltered aspect. It is rated H4, suitable for average UK garden winters.

Autumn-flowering bulb with yellow blooms (Sept–Nov), suited to full sun, well-drained soils and sheltered south- to west-facing sites in average UK.

Sternbergia is a genus of Eurasian and North African plants in the Amaryllis family, subfamily Amaryllidoideae. The genus comprises eight recognised species that show a broad distribution throughout the Mediterranean Basin as well as central and southwestern Asia.

Sternbergia lutea from Dodona, Greece

Winter Daffodil (Sternbergia lutea from Dodona, Greece)

Sternbergia lutea var. lutea is a clump-forming cultivar of the Sternbergia genus, which comprises bulb-forming perennials with narrow, strap-like basal leaves. This deciduous plant produces single, crocus-like flowers on leafless stems, typically appearing in spring. It thrives in well-drained soil under full sun and is hardy to UK zone H4. Suitable for sheltered positions with south, east, or west aspects, it adapts to various soil types and pH levels. This cultivar is ideal for cottage and informal gardens, rock gardens, Mediterranean climate plantings, and flower borders or beds.

Sternbergia lutea var. lutea is a hardy, spring-flowering bulb with crocus-like yellow flowers, ideal for rock gardens and cottage borders in full sun.

Sternbergia lutea var. lutea

Sternbergia sicula is a bulb-forming perennial from the Amaryllidaceae family, native to Italy. This clump-forming cultivar features narrow, strap-like deciduous leaves at its base and produces single, crocus-like flowers on leafless stems in spring. It thrives in well-drained soils of various types and pH levels, favouring full sun and sheltered positions with south, east, or west aspects. Hardy to UK zone H4, it is suitable for cottage and informal gardens, rock gardens, Mediterranean plantings, and flower borders.

Sternbergia sicula is a hardy bulb from Italy, blooming crocus-like flowers in spring, ideal for sunny rock gardens and cottage borders.