Dwarf alkaligrass Plant Care

Puccinellia pumila Hitchc.

Updated · Sources · How we source care data

Puccinellia pumila is a species of grass known by the common names dwarf akaligrass and smooth alkali grass. It is native to North America where it grows along the coastline in the northern latitudes, from Alaska across Arctic northern Canada to Greenland.

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Water

Every 7–10 days

Light

Full sun to partial shade

Temp

60–80°F

Humidity

40–70%

At a glance

How do you care for Dwarf alkaligrass?

Water Dwarf alkaligrass 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 Dwarf alkaligrass Native To?

Native range3 countries

What Is the Dwarf alkaligrass?

Dwarf alkaligrass (Puccinellia pumila) belongs to the Poaceae family within the Puccinellia genus. Dwarf alkaligrass is native to North America.

Dwarf alkaligrass displays a grass-like perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 0.5 ft. Dwarf alkaligrass produces small inconspicuous flowers in spikelets.

Leaf size: approximately 12 inches.

How Often Should You Water a Dwarf alkaligrass?

Puccinellia pumila 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 Dwarf alkaligrass Need?

Dwarf alkaligrass thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Dwarf alkaligrass Prefer?

Puccinellia pumila grows best at temperatures of 60–80°F. Dwarf alkaligrass prefers humidity levels of 40–70%.

Temperature

60–80°F

Humidity

40–70%

What Soil Mix Works Best for a Dwarf alkaligrass?

Well-draining sandy soil with good organic content. Good drainage is essential for Dwarf alkaligrass to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Dwarf alkaligrass?

Feed Dwarf alkaligrass 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 Dwarf alkaligrass?

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 Dwarf alkaligrass?

Dwarf alkaligrass 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 Dwarf alkaligrass Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Dwarf alkaligrass, 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 Dwarf alkaligrass?

Dwarf alkaligrass 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 Dwarf alkaligrass Need?

Dwarf alkaligrass grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Dwarf alkaligrass is native to North America. In cooler regions, grow Dwarf alkaligrass as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Dwarf alkaligrass 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.

Dwarf alkaligrass 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 pumila Hitchc., family Poaceae (first published in Amer. J. Bot. 21: 129 (1934)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Dwarf alkaligrass, 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.
  • Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
  • 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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