Alphabetical Plant Listing

Hymenocallis x festalis 'Zwanenburg' (Peruvian Daffodil)

Peruvian Daffodil 'Zwanenburg', Spider Lily 'Zwanenburg', Ismene 'Zwanenburg', Ismene x deflexa 'Zwanenburg'


Prized for its large flowers, Hymenocallis x festalis 'Zwanenburg' (Peruvian Daffodil) is a tender bulbous perennial boasting showy umbels of up to 5 large, deliciously scented, ivory-white flowers, 5 in. across (12 cm), in mid to late summer. The flowers open up to look like white yellow spiders but these spiders come with a wonderfully sweet fragrance. Resembling a daffodil, each flower features a scalloped-edged cup and 6 extremely narrow, spreading petals. The blossoms rise atop leafless stalks, well above the basal foliage of strap-shaped, dark green leaves. Adding flare to borders and containers, this Peruvian Daffodil is a must for the evening garden where its citrus-like fragrance can be enjoyed.

  • Grows up to 24-30 in. tall (60-75 cm) and 12-18 in. wide (30-45 cm).
  • Performs best in full sun to part shade in moist, organically rich, well-drained soil. Peruvian Daffodil does not like temperatures less than 59°F (15°C) so do not plant it out too early in the spring and bring it indoors early in the fall before it gets hit with heavy frosts.
  • If you live in a cool area (hardiness zones 3-7) and you want to save your Peruvian Daffodil bulbs for next spring, you may dig them up before the first frost and store them over the winter. Place them in a cool, dry location in a dry medium such as peat or perlite where temperature remains between 55-60°F (12-15°C).
  • Reliable, easy to grow, generally disease and pest free. Deer and rabbit resistant.

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Requirements

Hardiness 8 – 10
Heat Zones 6 – 10
Climate Zones 5, 6, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Bulbs, Perennials
Plant Family Hymenocallis
Exposure Full Sun, Partial Sun
Season of Interest Summer (Mid,Late)
Height 2' – 3' (60cm – 90cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 8" – 12" (20cm – 30cm)
Depth 4" (10cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Showy
Tolerance Deer, Rabbit
Garden Uses Beds and Borders, Patio and Containers

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Holly Guerrio, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 8 – 10
Heat Zones 6 – 10
Climate Zones 5, 6, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Bulbs, Perennials
Plant Family Hymenocallis
Exposure Full Sun, Partial Sun
Season of Interest Summer (Mid,Late)
Height 2' – 3' (60cm – 90cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 8" – 12" (20cm – 30cm)
Depth 4" (10cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Showy
Tolerance Deer, Rabbit
Garden Uses Beds and Borders, Patio and Containers

Great Plant Combination Ideas with Hymenocallis

Guides with Hymenocallis

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