North America Non-native Plant

Cuban-lily

Botanical name: Oncostema peruviana

USDA symbol: ONPE3

Native status: Not native but doesn't reproduce and persist in the wild

Synonyms: Scilla peruviana L. (SCPE13)   

Cuban-lily: A Mediterranean Beauty for Your Garden If you’re looking to add a splash of brilliant blue to your spring garden, the Cuban-lily (Oncostema peruviana) might just catch your eye. Despite its common name suggesting Caribbean origins, this stunning bulb actually hails from the Mediterranean region, bringing a touch of ...

Cuban-lily: A Mediterranean Beauty for Your Garden

If you’re looking to add a splash of brilliant blue to your spring garden, the Cuban-lily (Oncostema peruviana) might just catch your eye. Despite its common name suggesting Caribbean origins, this stunning bulb actually hails from the Mediterranean region, bringing a touch of old-world charm to modern landscapes.

What Is Cuban-lily?

Cuban-lily, also known by its botanical name Oncostema peruviana (formerly Scilla peruviana), is a spring-blooming bulbous perennial that produces some of the most eye-catching flower displays you’ll find in the plant world. This Mediterranean native creates dense, conical clusters of star-shaped flowers in shades ranging from deep blue to purple, all rising above glossy, strap-like green foliage.

Where Does It Come From?

Originally from the western and central Mediterranean region, Cuban-lily grows naturally across Spain, Portugal, North Africa, and various Mediterranean islands. It’s perfectly adapted to the warm, dry summers and mild, wet winters characteristic of this climate zone.

The Garden Appeal

What makes Cuban-lily special is its dramatic flower display. In late spring, sturdy stems emerge carrying impressive cone-shaped clusters that can contain dozens of individual star-shaped blooms. The flowers create a striking contrast against the plant’s broad, glossy leaves, making it a real showstopper in any garden setting.

The plant typically reaches about 12-18 inches in height and spread, making it perfect for:

  • Rock gardens and Mediterranean-style landscapes
  • Naturalistic bulb plantings
  • Spring borders and flower beds
  • Container gardens in appropriate climates

Growing Cuban-lily Successfully

If you live in USDA hardiness zones 7-10, you can successfully grow Cuban-lily outdoors year-round. Here’s what this Mediterranean beauty needs to thrive:

Soil and Drainage: Like most bulbs, Cuban-lily absolutely must have well-draining soil. Heavy, waterlogged conditions will quickly lead to bulb rot. Sandy or gravelly soils work wonderfully.

Light Requirements: Full sun to partial shade works best, though more sun typically means better flowering.

Planting Tips:

  • Plant bulbs in fall, about 4-6 inches deep
  • Space bulbs 6-8 inches apart
  • Choose a location with good air circulation
  • Mulch lightly to conserve moisture and suppress weeds

Care and Maintenance: Once established, Cuban-lily is relatively low-maintenance. Water regularly during the growing season but allow the soil to dry out during summer dormancy. Most importantly, resist the urge to cut back the foliage until it naturally yellows and dies back – the leaves are busy storing energy for next year’s display.

Pollinator and Wildlife Benefits

Cuban-lily flowers are rich in nectar, making them attractive to bees and other beneficial pollinators during their spring blooming period. This adds ecological value to their ornamental appeal.

Should You Plant It?

Cuban-lily can be a lovely addition to appropriate gardens, especially if you’re creating a Mediterranean-themed landscape or need reliable spring color in zones 7-10. However, since it’s not native to North America, consider complementing it with native spring bulbs and wildflowers that support local ecosystems year-round.

Some excellent native alternatives to consider alongside or instead of Cuban-lily include wild lupine, native alliums, or regional spring wildflowers that provide similar seasonal interest while supporting local wildlife.

If you do choose to grow Cuban-lily, source your bulbs from reputable suppliers and enjoy this reliable, beautiful Mediterranean transplant that’s been charming gardeners for generations.

Cuban-lily

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Liliaceae Juss. - Lily family

Genus

Oncostema Raf. - oncostema

Species

Oncostema peruviana (L.) Speta - Cuban-lily

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA