Zephyranthes
Zephyranthes is a genus of 70 species of bulbous perennials, some evergreen. Of the family Amaryllidacea they native from North to South America. They are grown for their erect, funnel-shaped, crocus-like flowers which bloom spring to autumn often a few days after rainstorms. They are commonly known as Rainflower, Rain Lily or Zephyr Lily.

Common Name: Rainflower, Rain Lily or Zephyr Lily
Botanical Name: Zephyranthes
Family: Amaryllidacea
Plant Type: Bulbous perennial
Origin: North to South America
Zones: 9 – 10
Height: 4″-8″
Rate of Growth: Fast
Salt Tolerance: Moderate
Soil Requirements: Fertile, well-drained soil
Water Requirements: Water freely

Nutritional Requirements: Balanced liquid fertilizer monthly
Light Requirements: Full sun
Form: Semi-erect
Leaves: Thin, strap-shaped basal leaves to 16″
Flowers: Crocus-like, white (Zephyranthes candida), yellow (Zephyranthes sulphurea), pink (Zephyranthes grandiflora) or red flowers (Zephyranthes rosea)
Fruits: None
Pests: Few
Uses: Sunny border or rock garden
Bad Habits: None
Cost: $$ — reasonable
Propagation: Offset separation in spring or seeds
Source (“As an Amazon Associate I earn from qualifying purchases.”): The American Horticultural Society A-Z Encyclopedia of Garden Plants