Galanthus have gained the Royal Horticultural Society's Award of Garden Merit. A list of Irish cultivars can be found here Propagation is by offset bulbs, either by careful division of clumps in full growth ("in the green"), or removed when the plants are dormant, immediately after the leaves have withered; or by seeds sown either when ripe, or in spring. Professional growers and keen amateurs also use such methods as "twin-scaling" to increase the stock of choice cultivars quickly. Snowdrops contain an active lectin or agglutinin named GNA for "Galanthus nivalis" agglutinin. In 1995, Árpád Pusztai genetically modified potatoes with the
Galanthus nivalis numerous named cultivars of "G. nivalis", single, semi-double, double and "poculiform" (meaning goblet or cup-shaped, this refers to flowers with inner segments that are almost the same shape and length as the outer ones). Apart from these traits they differ particularly in the size and markings of the flower and the period of flowering; other characteristics are less obvious to the untrained eye and are mainly of interest to "galanthophiles". In the UK and Ireland, many gardens open specially in February for visitors to admire the flowers. These displays may attract large numbers of sightseers. Some feature extensive displays of