Vesper Iris (Pardanthopsis dichotoma)

Vesper Iris

Pardanthopsis dichotoma opens its flowers in the late afternoon over several minutes—around the time of evening vespers. A valuable addition for its late blooming season (high summer into early fall) and ability to bloom from seed started the same spring. Iris‑like leaf fans and abundantly branched, willowy bloom stalks rise to 4 feet. Inch‑wide flowers range from pure white to violet.

Key Features

• Flowers open dramatically in late afternoon.
• Late summer to fall bloom; easy from seed.
• Short‑lived perennial.

Growing Conditions

Full sun; fertile, loamy soil. Keep well watered and fertilized for first‑summer bloom.

Care & Propagation

Sow seed in pots/flats, refrigerate 4–6 weeks. After cold, seeds germinate in 1–2 weeks. Transplant after frost danger passes.

Landscape Uses

Beds, borders.

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