Calochortus
This group consists of about 60, perennial bulbs, native to the western United States. These plants are commonly known as Butterfly Lilies, Fairy Lanterns, Globe Tulips, Mariposa Lilies, Sego Lilies, and Star Tulips. Of all the species of Calochortus, Mariposa Lilies are the most attractive. The large, 3- to 4-inch, cup-shaped flowers are produced atop erect stems, 12 to 15 inches high, over a period of several weeks in late spring and early summer. The colorful, delicate blossoms consist of three, fan-shaped petals, which curve back slightly at the edges. They are marked and feathered in contrasting colors. C. albus (Fairy Lantern) has white flowers, which are sometimes stained with rose. C. luteus (Yellow Mariposa) has yellow flowers lined and speckled with rust toward the center. C. venustus (White Mariposa) may have white, yellow, red, or purple petals marked with a dark red splotch toward the center. (This variety is hardy only to zone 6) These plants are suitable for growing in containers, dry meadows, and as cut flowers.
Pot Cultivation
These plants are hardy from zones 5 to 10. The bulbs should be planted in late fall, 3 to 5 inches deep, in well-drained, sandy soil that isn't too rich. Grow them in a sunny or lightly shaded location, depending upon the species. Their soil should be kept moist until the plants bloom, at which time they should be kept dry. The bulbs can also be grown in containers. Plant five or six to a 6-inch pot, 2 to 4 inches deep. Mariposa Lilies need to be protected from alternate freezing and thawing. Placing mulch on them over the winter will help. You can concentrate the plant's strength for the next season's growth by removing the blossoms as they die. In regions with wet summers, lift and store the bulbs in dry packing material. Those grown in containers can be allowed to dry out and then can be stored in their containers.
Propagation
These plants can be increased by removing offsets or sowing seeds in the fall.
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C. luteus |
C. Maweanus |
Species
- C. albus;
- C. luteus;
- C. venustus;
- C. amabilis;
- C. amoenus;
- C. momophyllus;
- C. Maweanus;
- C. uniflorus;
- C. Greenei;
- C. Howellii;
- C. Vesta;
- C. clavatus;
- C. Nuttallii.