Pregnant Onion

(Albuca bracteata)

Pregnant Onion (Albuca bracteata)

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Estimated Native Range
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Climate Requirements

Precipitation 3" - 117"
High Temp. 66°F - 96°F
Low Temp. -1°F - 63°F
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Summary

Albuca bracteata, commonly known as pregnant onion, is a perennial herbaceous bulbous plant native to the rocky outcrops and slopes of the Eastern Cape Province in South Africa. It is characterized by its swollen base, resembling an onion, and strap-shaped, lanceolate leaves that can reach up to 20 inches in length. The plant produces tall flowering stems, typically up to 35 inches high, which bear clusters of greenish-white, bell-shaped flowers with fringed margins during the spring and summer months. The flowers are mildly fragrant and attract pollinators.

Pregnant onion is appreciated for its unique bulbous appearance and its ability to thrive with minimal care, making it a popular choice for rock gardens, succulent collections, and as a houseplant. It is drought-tolerant and requires well-draining soil, moderate watering, and a sunny to partly shaded location. While it can be grown outdoors in mild climates, it is sensitive to frost and should be protected or brought indoors in colder regions. In cultivation, it is also propagated easily by bulbils that form on the parent bulb.CC BY-SA 4.0

Plant Description

  • Plant Type: Bulb
  • Height: 1-4 feet
  • Width: 0.3-2 feet
  • Growth Rate: Moderate
  • Flower Color: Green, White, Yellow
  • Flowering Season: Spring, Summer
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Low, Medium
  • Drainage: Fast, Medium

Common Uses

Border Plant, Low Maintenance, Potted Plant, Street Planting

Natural Habitat

Rocky outcrops and slopes of the Eastern Cape Province in South Africa

Other Names

Common Names: Pregnant Onion

Scientific Names: Albuca bracteata, Eliokarmos caudatum, Fenelonia bracteata, Loncomelos caudatum, Ornithogalum bracteatum, Ornithogalum caudatum, Ornithogalum longibracteatum, Ornithogalum massonii, Ornithogalum scilloides

GBIF Accepted Name: Albuca bracteata