Photo: Matt BergerCC BY 4.0via iNaturalistresized / cropped
Nuttall's Saltmarsh-grass Plant Care
Puccinellia nuttalliana (Schult.) Hitchc.
Updated · Sources · How we source care data
This plant's long, slender, spiky leaves form dense clumps and are a striking silvery-green color. Originating from North America, Puccinellia nuttalliana is sought after by plant collectors for its unique look and ability to thrive in wet, salty soils.
Every 7–10 days
Full sun to partial shade
60–80°F
40–70%
At a glance
How do you care for Nuttall's Saltmarsh-grass?
Water Nuttall's Saltmarsh-grass every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Nuttall's Saltmarsh-grass Native To?
What Is the Nuttall's Saltmarsh-grass?
Nuttall's Saltmarsh-grass (Puccinellia nuttalliana) belongs to the Poaceae family within the Puccinellia genus. Nuttall's Saltmarsh-grass is native to North America. Nuttall's Saltmarsh-grass is also known as Nuttall's Alkali Grass.
Nuttall's Saltmarsh-grass displays a grass-like perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 0.5 ft. Nuttall's Saltmarsh-grass produces small inconspicuous flowers in spikelets.
Leaf size: approximately 12 inches.
How Often Should You Water a Nuttall's Saltmarsh-grass?
Puccinellia nuttalliana requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Nuttall's Saltmarsh-grass Need?
Nuttall's Saltmarsh-grass thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Nuttall's Saltmarsh-grass Prefer?
Puccinellia nuttalliana grows best at temperatures of 60–80°F. Nuttall's Saltmarsh-grass prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Nuttall's Saltmarsh-grass?
Well-draining sandy soil with good organic content. Good drainage is essential for Nuttall's Saltmarsh-grass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Nuttall's Saltmarsh-grass?
Feed Nuttall's Saltmarsh-grass every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Nuttall's Saltmarsh-grass?
Repot every 1-2 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Nuttall's Saltmarsh-grass?
Nuttall's Saltmarsh-grass can be propagated through division, seed sowing. Similar propagation techniques also apply to lemmon's alkali grass plant care, which shares the same genus.
Is the Nuttall's Saltmarsh-grass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Nuttall's Saltmarsh-grass, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Nuttall's Saltmarsh-grass?
Nuttall's Saltmarsh-grass is susceptible to aphids, grasshoppers, cutworms. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Nuttall's Saltmarsh-grass Need?
Nuttall's Saltmarsh-grass grows outdoors in USDA Zone 2a – 8b. It survives winters down to planting zone 2a. Nuttall's Saltmarsh-grass is native to North America.
Hardiness Zone
Zone 2a – 8b
Keep exploring plants
Nuttall's Saltmarsh-grass is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Puccinellia genus — compare its care with other Puccinellia species on PlantoScan.
Puccinellia is part of the Poaceae plant family — browse all Poaceae genera and species.
Nuttall's Saltmarsh-grass thrives in bright light and direct sun — see other bright-light plants.
More Puccinellia Species
Other Puccinellia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Puccinellia nuttalliana (Schult.) Hitchc., family Poaceae (first published in Fl. Calif. 1: 162 (1912)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Nuttall's Saltmarsh-grass, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: Matt Berger, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 2a – 8b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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