On the legacy bulb wiki pages Kathleen Sayce reviews bulbs that outlast their gardeners, with some hints as to why. Suggestions came from PBS list members, review of world weed lists, USDA PLANTS National Database, Flora of North America, and some university databases. For more information consult Legacy Bulbs Index and Introduction.
Information about relevant Merendera through Nerine species can be found on this wiki page. Information about other species is found on the pages linked below:
Albuca through Amaryllis - Anemone through Chionodoxa - Colchicum through Erythronium - Ficaria through Hyacinthus - Ipheion through Iris - Ixia through Lycoris - Ornithogalum through Sternbergia - Trillium through Zephyranthes
Moraea collina , syn. Homeria collina is from the southwest Cape region of South Africa, WHZ (8?) 9-12. This, along with some other species in the Homeria group, is a robust species and potentially weedy in a Mediterranean climate. It is winter-growing, spring-flowering and summer-dormant.
Muscari can naturalize quickly, and be very persistent. "When established in suitable habitat, no amount of disturbance will eradicate." Many PBS members mentioned grape hyacinths persisting around former homesteads. Species are native from eastern Europe to Asia; common garden species include the following.
Muscari armeniacum, grape hyacinth, has persisted or naturalized in areas around the Great Lakes. States/provinces include Ontario, Ohio, Illinois, and also Louisiana. It is native to Southeastern Europe; WHZ 3-9.
Muscari botryoides, grape hyacinth, has persisted to naturalized on the West Coast from British Columbia to California, Utah, and from Texas east, including Ontario, Nova Scotia and Newfoundland; WHZ 2-9. Only the most southeastern states (Florida, Georgia, South Carolina) are not on the map for this species.
Muscari comosum, see Leopoldia comosa, tassel grape hyacinth, has naturalized/persisted in Washington and Oregon, and in most eastern states; WHZ 3-9.
Muscari neglectum, starch grape hyacinth, was often planted as a starch source for ironing clothing. It is known to persist from New Mexico, east to Florida, New York and Massachusetts, and around the Great Lakes; WHZ 4-9.
Narcissus was mentioned by PBS members from all over North America as being common around former homesteads. As a group, these bulbs are long-lived, durable and being toxic to deer, squirrels and other herbivores, survive where other genera fade away. Species are native to Europe, North Africa, and Asia, and the actual number of species is estimated to be 26 to more than 100, including wild hybrids and selections. The American Daffodil Society reports more than 25,000 named cultivars. Species and cultivars both naturalize easily. The following is a partial list of known persistent/naturalized species by state. Note that formal notice of populations via herbarium specimens is often exceeded by reality. This genus is one of the most widespread legacy geophytes.
Nerine is a genus native to South Africa. There are winter-growing, summer-growing and evergreen species; they all like warm summers, but not tropical heat. The hardier species are long lived in warm temperate and Mediterranean climate gardens.
Species listed on other legacy bulb pages can be found alphabetically by clicking on the links below or by going to the index and introduction page where they will be listed in a table.
Albuca through Amaryllis - Anemone through Chionodoxa - Colchicum through Erythronium - Ficaria through Hyacinthus - Ipheion through Iris - Ixia through Lycoris - Ornithogalum through Sternbergia - Trillium through Zephyranthes - Legacy Bulbs Index and Introduction