Salicornia rubra
IOverview
Overview
Salicornia rubra, commonly known as red glasswort, is an annual subshrub or herb that thrives in a variety of habitats across North America, from Alberta and British Columbia to states like Colorado and Iowa. Native to northern regions of Canada and parts of the United States, this plant is well-adapted to diverse soil types, including light (sandy), medium, and heavy (clay) soils, with an optimal pH range of 6.5 to 9.4. It prefers moist conditions and can tolerate partial sun to full sunlight, making it adaptable to a range of environments. The stems and seeds of Salicornia rubra are edible, offering culinary versatility. The tender stems can be eaten raw or cooked as a vegetable, while the seeds can be harvested for various culinary applications. Both parts are typically prepared fresh for immediate consumption, adding a unique flavor to dishes. This plant is particularly valuable in certain regional cuisines and can serve as an interesting addition to gardens or landscapes. Salicornia rubra's ability to grow in diverse soil types and its adaptability to partial sun to full sunlight make it a versatile choice for gardeners looking to add a hardy, edible plant to their collections. Its presence in cultivated settings can enhance the aesthetic appeal of gardens while providing a useful food source. However, it is important to note that while this plant has culinary value, no medicinal claims are supported by the provided data.
What is Salicornia rubra?
Salicornia rubra, commonly known as red glasswort, is an annual subshrub or herb that thrives in a variety of habitats across North America, from Alberta and British Columbia to states like Colorado and Iowa.
VCultivation
Cultivation
How to grow Salicornia rubra for the first time
Start with simple soil and light conditions for a successful first attempt at growing Salicornia rubra.
- 1
What you'll need
Seeds or seedlings, containers or garden space, potting mix if using containers.
- 2
Best time to plant
Plant in spring after the last frost or in late summer for a fall harvest.
- 3
Soil and container prep
Use well-draining soil with a pH between 6.5 and 9.4, ensuring it's light (sandy), medium, or heavy (clay).
- 4
Sowing or transplanting
Direct sow seeds in the garden or start them indoors 4-6 weeks before planting outside. Transplant seedlings when they have two sets of true leaves.
- 5
First two weeks
Water regularly to keep soil moist, ensuring full sun exposure for at least 6 hours a day.
- 6
Ongoing care
Continue regular watering and mulching to retain moisture. Prune occasionally to maintain shape and encourage new growth.
- 7
Harvest or pruning
Prune stems as needed throughout the growing season, cutting back to promote bushier growth.
VIEdible & utility
Edible & utility
VIIDistribution
22 native · 3 introduced
Distribution
22 native · 3 introducedIXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family (Amaranthaceae), common use cases, and growing requirements.
Explore further
About this entry
- Last updated
- Citation
- How to cite this entry · Submit a correction
Continue reading
Get archive updates
Occasional email when substantial new content lands — plant profiles, seasonal growing notes, folk-remedy additions. Free, no tracking, unsubscribe anytime.









