North America Non-native Plant

Solomon’s Lily

Botanical name: Arum palestinum

USDA symbol: ARPA39

Life cycle: perennial

Habit: forb

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Solomon’s Lily: A Mediterranean Beauty for Your Garden If you’ve ever wondered about adding something truly unique to your garden, Solomon’s lily (Arum palestinum) might just catch your eye. This intriguing perennial brings a touch of Mediterranean charm to temperate landscapes, though it comes with some considerations worth exploring. What ...

Solomon’s Lily: A Mediterranean Beauty for Your Garden

If you’ve ever wondered about adding something truly unique to your garden, Solomon’s lily (Arum palestinum) might just catch your eye. This intriguing perennial brings a touch of Mediterranean charm to temperate landscapes, though it comes with some considerations worth exploring.

What Is Solomon’s Lily?

Solomon’s lily is a distinctive forb – essentially a non-woody perennial plant that dies back to ground level each year. Part of the arum family, it’s known for its arrow-shaped leaves and unusual flower structure consisting of a spathe (a leaf-like bract) surrounding a spadix (the actual flower spike). Don’t expect typical showy blooms; instead, you’ll get an architectural conversation piece that’s more about form than flashy color.

Where Does It Come From?

This plant isn’t a North American native – it originally calls the Eastern Mediterranean home, including regions like Palestine, Israel, and Lebanon. In the United States, it’s established itself in California, where it reproduces on its own in the wild. While it’s considered non-native, it’s not currently listed as invasive.

The Good, The Bad, and The Beautiful

Let’s be honest about what you’re getting into with Solomon’s lily:

Why You Might Love It:

  • Unique architectural form adds visual interest
  • Thrives in partial shade where other plants struggle
  • Low maintenance once established
  • Interesting conversation starter for garden visitors

Why You Might Think Twice:

  • It’s non-native, so it won’t support local ecosystems like native plants
  • Limited benefits for pollinators (mainly attracts flies)
  • Goes completely dormant in summer, leaving gaps in your garden
  • Can be finicky about growing conditions

Growing Solomon’s Lily Successfully

If you decide to give Solomon’s lily a try, here’s what it needs to thrive:

Climate and Hardiness

This Mediterranean native does best in USDA zones 8-10, though gardeners in zone 7 might succeed with winter protection. It appreciates mild, wet winters and dry summers – quite different from most of North America’s climate patterns.

Light and Soil Requirements

Solomon’s lily prefers partial shade and well-draining soil. Think woodland edge conditions rather than full sun or deep shade. The soil should hold some moisture during the growing season but drain well to prevent bulb rot.

Planting and Care Tips

  • Plant bulbs in fall, about 3-4 inches deep
  • Provide consistent moisture during winter and spring growing season
  • Allow the plant to go dormant in summer – don’t fight this natural cycle
  • Mulch around plants to moderate soil temperature
  • In colder zones, consider container growing so you can protect plants indoors

Garden Design Ideas

Solomon’s lily works best as a specimen plant or in small groups where its unique form can be appreciated. It’s perfect for Mediterranean-themed gardens, shade borders, or as an understory plant beneath trees. Just remember that summer dormancy means you’ll need companion plants to fill the space when it disappears.

Consider Native Alternatives

While Solomon’s lily has its charms, remember that native plants provide much more ecological value. Consider these native alternatives that offer similar shade tolerance and interesting forms:

  • Wild ginger species for groundcover
  • Native trilliums for spring interest
  • Jack-in-the-pulpit for unusual flower forms
  • Native ferns for architectural foliage

The Bottom Line

Solomon’s lily can be a fascinating addition to the right garden, especially if you appreciate unusual plants and don’t mind working with its specific needs. However, since it’s non-native and offers limited ecological benefits, consider balancing your garden with plenty of native species that support local wildlife and pollinators. Sometimes the most interesting gardens are those that blend the exotic with the ecological – just make sure the balance tips toward supporting your local ecosystem.

Solomon’s Lily

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Arecidae

Order

Arales

Family

Araceae Juss. - Arum family

Genus

Arum L. - arum

Species

Arum palestinum Boiss. - Solomon's lily

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