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Freesia laxa is sufficiently hardy to be grown outdoors in all but the coldest parts of the British Isles. [3] It requires a light soil and a sunny position. In colder areas, the corms can be lifted and dried off during the winter. It can be propagated by dividing groups of corms or by seed. [3]
Corms can form many small cormlets called cormels, from the basal areas of the new growing corms, especially when the main growing point is damaged. These propagate corm-forming plants. A number of species replace corms every year by growing a new corm. This process starts after the shoot develops fully expanded leaves.
Colchicum (/ ˈ k ɒ l tʃ ɪ k əm / KOL-chik-əm or / ˈ k ɒ l k ɪ k əm / KOL-kik-əm) [2] is a genus of perennial flowering plants containing around 160 species which grow from bulb-like corms. It is a member of the botanical family Colchicaceae , and is native to West Asia , Europe , parts of the Mediterranean coast, down the East ...
Freesia is a genus of herbaceous perennial flowering plants in the family Iridaceae, first described as a genus in 1866 by Christian Friedrich Ecklon (1886) and named after the German botanist and medical practitioner, Friedrich Freese (1795–1876).
The corms are symmetrical and globose or oblate (round in shape with flatted tops and bottoms), and are covered with tunic leaves that are fibrous, membranous or coriaceous (leathery). The corms produce fibrous roots, and contractile roots which adjust the corms depth in the soil, which may be pulled as deep as 20 centimetres (8 in) into the soil.
English: The leftmost image shows the entire corm in its tunic.The second shows the tunic partly peeled off to show the leaf bases comprising the tunic and the lines where the sessile leaves sprouted from the corm cortex, showing the nodes that demonstrate that the corm body is a stem with nodes and buds.
The corms form in vertical chains, with the youngest at the top, and oldest and largest buried most deeply in the soil. The roots of the lowermost corm in a chain are contractile roots and drag the corm deeper into the ground where conditions allow.
Plants of this genus are evergreen perennial herbs growing from large corms with fibrous tunics. The lowest two or three leaves are cataphylls that sheath the lower stem and become dry. The thin, wiry, branching stem may bend and droop when in flower. It is lined with leaves that have linear blades with thick longitudinal veins and often no midrib.