North America Non-native Plant

Rose Monkswort

Botanical name: Nonea rosea

USDA symbol: NORO

Life cycle: annual

Habit: forb

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

Rose Monkswort: A Charming European Annual for American Gardens Looking for a delicate wildflower to add soft color to your garden? Rose monkswort (Nonea rosea) might catch your eye with its dainty pink blooms and heart-shaped leaves. This petite annual has quietly made itself at home in parts of the ...

Rose Monkswort: A Charming European Annual for American Gardens

Looking for a delicate wildflower to add soft color to your garden? Rose monkswort (Nonea rosea) might catch your eye with its dainty pink blooms and heart-shaped leaves. This petite annual has quietly made itself at home in parts of the United States, though it’s far from its Mediterranean origins.

What is Rose Monkswort?

Rose monkswort is a small annual forb in the borage family, which means it’s an herbaceous plant without woody stems. Despite its delicate appearance, this little charmer is quite resilient and can pop up in various garden settings. As an annual, it completes its entire life cycle in one growing season, making it a low-commitment addition to your landscape.

Where You’ll Find It Growing

Originally from the Mediterranean region and parts of Europe, rose monkswort has established itself in Maine and Pennsylvania within the United States. It’s considered a non-native species that has naturalized in these areas, meaning it can reproduce and persist without human intervention.

The Look and Appeal

Rose monkswort won’t overwhelm your garden with bold statements, but it offers subtle charm:

  • Small, tubular flowers in shades of rose-pink to purple
  • Flowers arranged in curved, scorpion-like clusters typical of the borage family
  • Heart-shaped leaves that create a soft backdrop
  • Compact growth habit perfect for filling gaps in wildflower gardens

Garden Role and Design Ideas

This modest plant works well in:

  • Cottage garden settings where its informal nature fits right in
  • Wildflower meadows or naturalized areas
  • Rock gardens where its tolerance for poor soils shines
  • As a gap-filler between larger perennials

Growing Conditions and Care

Rose monkswort is refreshingly easy to please:

  • Light: Full sun to partial shade
  • Soil: Well-drained soils; tolerates poor, rocky conditions
  • Water: Moderate moisture; drought-tolerant once established
  • Hardiness: Suitable for USDA zones 3-9 as an annual

Planting and Care Tips

Growing rose monkswort is straightforward:

  • Direct sow seeds in spring after the last frost
  • Scatter seeds on prepared soil and lightly rake in
  • Keep soil moist until germination occurs
  • Once established, minimal care is needed
  • Plants will self-seed readily for next year’s display

Benefits for Pollinators

The small, nectar-rich flowers of rose monkswort attract bees and other small pollinators. While not a powerhouse pollinator plant, it does contribute to the garden’s overall pollinator support system.

Should You Grow It?

Rose monkswort can be a pleasant addition to informal garden settings, especially if you enjoy plants with subtle charm rather than bold drama. However, since it’s non-native, consider balancing your garden with native alternatives that provide similar benefits.

Some native alternatives to consider include wild bergamot (Monarda fistulosa), purple prairie clover (Dalea purpurea), or native asters, which offer comparable cottage garden appeal while supporting local ecosystems more effectively.

If you do choose to grow rose monkswort, monitor its spread to ensure it doesn’t overwhelm more desirable plants in your garden. Its self-seeding nature means a little can go a long way!

Rose Monkswort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Lamiales

Family

Boraginaceae Juss. - Borage family

Genus

Nonea Medik. - monkswort

Species

Nonea rosea (M. Bieb.) Link - rose monkswort

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