North America Non-native Plant

Yellow Monkswort

Botanical name: Nonea lutea

USDA symbol: NOLU

Life cycle: annual

Habit: forb

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

Yellow Monkswort: A Quirky European Annual for Your Garden If you’re looking for something a little different in your garden, you might want to consider yellow monkswort (Nonea lutea). This modest little annual brings a touch of European charm to American gardens, though it’s definitely not going to win any ...

Yellow Monkswort: A Quirky European Annual for Your Garden

If you’re looking for something a little different in your garden, you might want to consider yellow monkswort (Nonea lutea). This modest little annual brings a touch of European charm to American gardens, though it’s definitely not going to win any showiest flower contests. Sometimes the most interesting plants are the ones that whisper rather than shout.

What Exactly Is Yellow Monkswort?

Yellow monkswort is an annual forb in the borage family, which means it’s a non-woody herbaceous plant that completes its entire life cycle in one growing season. Originally from the Mediterranean region and parts of Europe, this plant has found its way to a few spots in the United States, where it grows wild in Kentucky, New York, and Pennsylvania.

As a non-native species that reproduces on its own in the wild, yellow monkswort has established itself in these areas without becoming problematic. It’s one of those plants that quietly does its own thing without causing a fuss.

The Look and Feel

Don’t expect flashy blooms from this one. Yellow monkswort produces small, tubular yellow flowers that are more charming than spectacular. The plant has rough, hairy leaves that give it a somewhat rustic appearance. It’s the kind of plant that grows on you (pun intended) – you might not notice it at first, but its subtle beauty becomes more apparent over time.

Where Does It Fit in Your Garden?

Yellow monkswort works best in:

  • Wildflower gardens where you want a more natural, relaxed look
  • Naturalized areas that don’t require formal maintenance
  • Mixed borders where it can provide texture and fill in gaps
  • Gardens focused on unusual or rare plants

This isn’t a plant for formal flower beds or high-impact displays. Think of it more as a supporting character that adds depth and interest to your garden story.

Growing Conditions and Care

The good news is that yellow monkswort is refreshingly easy to grow. Here’s what it needs to thrive:

Sunlight: Full sun to partial shade – it’s quite adaptable

Soil: Well-drained soil is essential; it doesn’t like wet feet

Hardiness: Suitable for USDA zones 5-8

Watering: Once established, it’s fairly drought-tolerant

Planting and Care Tips

Since this is an annual, you’ll need to replant each year or let it self-seed (which it does quite readily). Here are some tips for success:

  • Direct sow seeds in spring after the last frost
  • Scatter seeds lightly and barely cover them
  • Keep soil moist until germination occurs
  • Once established, minimal care is needed
  • Allow some plants to go to seed if you want volunteers next year

Wildlife and Pollinator Benefits

While yellow monkswort may not be a native species, its small flowers do attract beneficial insects, particularly small bees and other pollinators. Every little bit helps when it comes to supporting our pollinator friends, though native plants should always be your first choice for maximum ecological benefit.

Should You Grow It?

Yellow monkswort occupies an interesting middle ground. It’s not native, but it’s also not invasive or problematic. If you’re drawn to unusual plants and enjoy the subtle beauty of wildflowers, it could be a nice addition to your garden. However, if your goal is to support local ecosystems, you’d be better served by choosing native alternatives.

Consider native options like wild bergamot (Monarda fistulosa), black-eyed Susan (Rudbeckia hirta), or purple coneflower (Echinacea purpurea) for similar growing conditions with much greater ecological benefits.

Ultimately, yellow monkswort is one of those why not? plants – it won’t cause problems, it’s easy to grow, and it adds a bit of Old World character to your garden. Sometimes that’s reason enough to give a plant a try.

Yellow 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 lutea (Desr.) Rchb. ex DC. - yellow monkswort

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