Leucojum aestivum, commonly called the summer snowflake, giant snowflake, Loddon lily and rarely snowbell and dewdrop among others, is a plant species widely cultivated as an ornamental. It is native to most of Europe from Spain and Ireland to Ukraine, with the exception of Scandinavia, Russia, Belarus and the Baltic countries.

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

Leucojum is a small genus of bulbous plants native to Eurasia belonging to the amaryllis family, subfamily Amaryllidoideae. As currently circumscribed, the genus includes only two known species, most former species having been moved into the genus Acis.

Leucojum aestivum

Leucojum aestivum 'Gravetye Giant' is a bulbous perennial that reaches about 0.5 m and flowers in March to April. It carries a mild, sweet fragrance and is hardy in UK gardens. Plant it where soil stays moist to wet but drains reasonably well, in full sun. The bulbs are ornamental and must not be eaten; wear gloves when handling and consult the HTA guide to potentially harmful plants for more detail.

Summer snowflake 'Gravetye Giant' (Leucojum aestivum 'Gravetye Giant') is a bulbous perennial that flowers in March–April and suits moist borders and.

Leucojum aestivum 'Gravetye Giant'

Summer Snowflake (Leucojum aestivum 'Gravetye Giant')

Leucojum aestivum subsp. aestivum is a perennial bulbous plant in the Amaryllidaceae family, known for its tufted habit and deciduous, long, narrow strap-like leaves. It produces clusters of bell-shaped, typically white flowers with green-tipped tepals in spring. This cultivar thrives in full sun or partial shade and is adaptable to various soil types, including chalk, clay, loam, and sand, provided the soil is moist but well-drained. It is hardy to UK zone H5 and suits wildflower meadows, cottage gardens, rock gardens, and flower borders.

Leucojum aestivum subsp. aestivum is a hardy perennial with white bell-shaped spring flowers, ideal for wildflower meadows and cottage gardens.

Leucojum aestivum subsp. aestivum

Leucojum aestivum var. pulchellum is a bulbous perennial in the Amaryllidaceae that flowers in the UK from March to April. It grows to about 0.5 m and carries a mild scent. Plant in full sun into sandy, loamy or clay soils that remain moist to wet but are not stagnant. All parts are toxic if ingested, so keep clear of areas used by children or pets.

Snowflake (Leucojum aestivum var. pulchellum) blooms in March–April and prefers full sun on moist, well-drained sandy, loamy or clay soils, hardy to H7.

Leucojum aestivum var. pulchellum

Snowflake (Leucojum aestivum var. pulchellum) | Spring

Acis autumnalis, the autumn snowflake, is a species of flowering plant in the family Amaryllidaceae. A short bulbous perennial, it is found on the western shores of the Mediterranean, from Portugal, Spain and Morocco to Sicily and Tunisia.

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

Leucojum autumnale

Leucojum vernum, commonly called the spring snowflake, St. Agnes' flower, and rarely snowbell among others, is a species of flowering plant in the family Amaryllidaceae.