Star-Mustard: What You Need to Know About This Uncommon Garden Visitor
If you’ve stumbled across the name star-mustard (Coincya monensis recurvata) in your gardening research, you’re probably wondering what exactly this plant is and whether it belongs in your garden. Let’s dive into what we know about this rather mysterious member of the mustard family.
What Is Star-Mustard?
Star-mustard, scientifically known as Coincya monensis recurvata, is a forb – essentially a non-woody plant that can be annual or perennial. Think of it as an herbaceous plant that doesn’t develop the thick, woody stems you’d see on shrubs or trees. Instead, it keeps its growing points either at or below ground level, which helps it survive through challenging seasons.
This plant goes by several scientific aliases, including Coincya cheiranthos, Hutera cheiranthos, and Rhynchosinapis cheiranthos – a sure sign that botanists have had some fun reorganizing the mustard family over the years!
Where You’ll Find Star-Mustard
Star-mustard is a non-native species that has made itself at home in scattered locations across the United States. You can find established populations in California, Kentucky, Maryland, Michigan, New Jersey, New York, North Carolina, and Pennsylvania. The plant has shown it can reproduce and persist on its own in these areas without human intervention.
- Species observed
- No observations
Should You Plant Star-Mustard?
Here’s where things get a bit tricky. While star-mustard isn’t currently listed as invasive or noxious, there’s surprisingly little information available about this specific plant’s behavior in gardens or its ecological impact. This lack of data makes it difficult to give a strong recommendation either way.
What we do know is that it’s not native to North America, which means it doesn’t have the same ecological relationships with local wildlife that native plants do. For most gardeners, especially those interested in supporting local ecosystems, there are better choices available.
Consider Native Alternatives Instead
If you’re drawn to mustard family plants, consider these native alternatives that will better support your local ecosystem:
- Wild Mustard species native to your region
- Native Brassicas that occur naturally in your area
- Local wildflower species that provide similar garden interest
Check with your local native plant society or extension office to find out which mustard family plants are native to your specific region.
The Bottom Line
Star-mustard remains something of an enigma in the gardening world. While it’s not flagged as problematic, the limited information available about its garden performance, growing requirements, and ecological impact makes it a questionable choice for most home gardeners.
Your garden space is valuable real estate, and you’ll likely get more bang for your buck – and do more good for local wildlife – by choosing well-researched native plants that are known to thrive in your area. Save the experimentation for plants with a proven track record of garden success and ecological benefit.
If you do encounter star-mustard growing wild in your area, take a moment to observe it, but consider leaving it be while you focus your gardening energy on plants that will truly make your landscape shine.