North America Non-native Plant

Aegean Wallflower

Botanical name: Erysimum cheiri

USDA symbol: ERCH10

Life cycle: biennial

Habit: forb

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

Synonyms: Cheiranthus cheiri L. (CHCH11)   

Aegean Wallflower: A Fragrant Mediterranean Beauty for Your Garden If you’re dreaming of bringing a touch of Mediterranean charm to your garden, the Aegean wallflower (Erysimum cheiri) might just be the sunny addition you’re looking for. This delightful little plant, also known by its former scientific name Cheiranthus cheiri, packs ...

Aegean Wallflower: A Fragrant Mediterranean Beauty for Your Garden

If you’re dreaming of bringing a touch of Mediterranean charm to your garden, the Aegean wallflower (Erysimum cheiri) might just be the sunny addition you’re looking for. This delightful little plant, also known by its former scientific name Cheiranthus cheiri, packs a fragrant punch that can transport you straight to the Greek islands with just one whiff.

What Exactly Is Aegean Wallflower?

Aegean wallflower is a biennial to perennial forb – basically a non-woody flowering plant that keeps its growing points at or below ground level. Originally hailing from the Mediterranean region, particularly the Greek islands and coastal areas, this charming plant has found its way to North American gardens where it’s established itself in British Columbia, California, and Washington.

As a non-native species, it’s worth noting that Aegean wallflower has naturalized in these regions, meaning it can reproduce and persist on its own in the wild. While it’s not considered invasive or problematic, gardeners who prefer native plants might want to consider local alternatives that provide similar benefits to regional ecosystems.

Why You Might Fall in Love with Aegean Wallflower

There’s a lot to love about this Mediterranean native. Here’s what makes it special:

  • Incredible fragrance: The flowers emit a sweet, spicy scent that’s particularly strong in the evening
  • Vibrant colors: Bright yellow to warm orange blooms that practically glow in the garden
  • Long blooming season: Flowers from spring through early summer
  • Pollinator magnet: Bees and butterflies absolutely adore the nectar-rich flowers
  • Low maintenance: Once established, it’s quite drought tolerant

Perfect Garden Spots for Aegean Wallflower

This versatile plant shines in several garden settings. It’s particularly at home in:

  • Rock gardens where its compact form won’t get lost
  • Mediterranean-style landscapes alongside lavender and rosemary
  • Cottage garden borders where its informal charm fits right in
  • Coastal gardens where it can handle salt spray and sandy soils
  • Container gardens on patios or balconies

Growing Conditions That Make It Happy

Aegean wallflower isn’t particularly fussy, but it does have some preferences:

  • Sunlight: Full sun is best – at least 6 hours of direct sunlight daily
  • Soil: Well-draining soil is crucial; it actually prefers slightly alkaline conditions
  • Water: Moderate water during establishment, then quite drought tolerant
  • Climate: Thrives in USDA hardiness zones 7-10

Planting and Care Tips

Getting your Aegean wallflower established is pretty straightforward:

When to plant: Spring is ideal, after the last frost has passed. In milder climates, fall planting works well too.

Planting process: Dig a hole slightly larger than the root ball, plant at the same depth it was growing in the container, and water thoroughly after planting.

Ongoing care: Water regularly during the first growing season to establish roots. After that, water only during extended dry periods. Deadheading spent flowers will encourage more blooms and prevent excessive self-seeding.

A word about self-seeding: This plant can produce seeds readily, which may sprout in unexpected places around your garden. Some gardeners love this natural spreading habit, while others prefer to deadhead religiously to maintain control.

Supporting Native Ecosystems

While Aegean wallflower does provide nectar for pollinators, gardeners interested in supporting native wildlife might consider these alternatives that offer similar benefits:

  • Native penstemon species for similar flower colors and pollinator appeal
  • Local native mustard family plants that provide comparable early season blooms
  • Regional wildflowers that bloom in the same season

Is Aegean Wallflower Right for Your Garden?

This fragrant beauty might be perfect for you if you love Mediterranean plants, enjoy evening garden strolls where you can appreciate its scent, and want a relatively low-maintenance plant that attracts pollinators. It’s particularly well-suited for gardeners in warmer climates who want something that can handle dry conditions once established.

However, if you’re focused on creating a native plant garden or are concerned about non-native species in your landscape, you might want to explore native alternatives instead.

Either way, there’s no denying that Aegean wallflower brings a special charm to any garden lucky enough to host it – just don’t be surprised if you find yourself lingering nearby on warm evenings, drawn in by that irresistible Mediterranean fragrance.

Aegean Wallflower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Erysimum L. - wallflower

Species

Erysimum cheiri (L.) Crantz - Aegean wallflower

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