Spring flowering bulbs are plants that form bulbs or corms which are planted in the fall. They bloom in most cases in early spring, although a few species flower in autumn. The rule of thumb when planting bulbs is to plant them at a depth of about 3x the height of the bulb. A 5 cm bulb is planted 15 cm deep.
Camassia - Camas
Camassia is a genus of 4 species in the Asperigaceae family which are all native to NW-America. The bulbs of Camassia quamash were an important food source for indigenous people in the area.
Colchicum - Naked ladies
Colchicum is a genus in the family Colchicaceae, which includes around 160 species of perennial plants native to western Asia, Europe and south along the east coast of Africa. They are highly toxic as many species contain the alkaloid colchicin which has been used to treat gout. The defining characteristic of the genus is that the ovary is underground and often the flowers emerge in autumn while the leaves grow in spring.
Crocus is a fairly large genus of around 90 species in the iris family, Iridaceae. They are native to Europe, Asia and Africa. A great number of cultivars are grown in gardens. eir eiga heimkynni í Evrópu, Asíu og Afríku. Fjöldi kynblendinga er í ræktun í görðum.
Gladiolus is a genus of around 150 species in the iris family, Iridaceae. Most species are native to S-Africa, but a few grow wild in S-Europe and Asia. Most gladiolus grown in gardens are hybrids, grown as spring bulbs here, i.e. corms are planted in pots in spring and grown inside until planting out in summer. There are some species that are very nice garden plants, among them G. imbricatus which is perennial here.
Hyacinthoides - Blue bells
Hyacinthoides is a genus of 11 species in the family, Asparagaceae. All are native to the Mediterranian, except one (H. non-scripta), which is widespread in W-Europe.
Hyacinthoides hispanica - spánarklukkulilja
Hyacinthoides non-scripta - lotklukkulilja
ris, is a large genus in the iris family, Iridaceae, with close to 300 species wide spread around the northern hemisphere. The genus is divided into two sections, plants that grow from rhizomes and plants that grow from bulbs. The rhizomatous iris are covered in the perennial section of this website. The bulbous iris grow in dry climates like many other spring flowering bulbs and go dormant during the hottest summer months.
Narcissus - Daffodils
Narcissus is a genus of roughly 50 species in the amaryllis family, Amaryllidaceae, native to SW-Europe and N-Africa, with the greatest diversity on the Iberia peninsula. The flowers are uniquely shaped, with six tepals and a cup- or trumpet shaped corolla. A great number of garden hybrids are grown in gardens, which are classified in groups according to the shape of the corolla.