Andropogon longiberbis Plant Care

Andropogon longiberbis Hack.

Updated · Sources · How we source care data

Andropogon longiberbis, the longbeard bluestem or hairy bluestem, is a species of perennial grass whose native range encompasses the southeastern United States, with additional disjunct populations located in the Bahamas.

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Water

Every 7–14 days

Light

Full sun

Temp

60–85°F

Humidity

40–70%

At a glance

How do you care for Andropogon longiberbis?

Water Andropogon longiberbis every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–85°F (16–29°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.

What Is the Andropogon longiberbis?

Andropogon longiberbis (Andropogon longiberbis) belongs to the Poaceae family within the Andropogon genus.

Andropogon longiberbis displays a clumping grass growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Andropogon longiberbis produces tight, spike-like inflorescences.

Leaf size: approximately 12 inches.

How Often Should You Water a Andropogon longiberbis?

Andropogon longiberbis requires watering every 7–14 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 7–14 days

Let soil partially dry between waterings

What Light Does the Andropogon longiberbis Need?

Andropogon longiberbis thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Andropogon longiberbis Prefer?

Andropogon longiberbis grows best at temperatures of 60–85°F. Andropogon longiberbis prefers humidity levels of 40–70%.

Temperature

60–85°F

Humidity

40–70%

What Soil Mix Works Best for a Andropogon longiberbis?

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

How Often Should You Fertilize a Andropogon longiberbis?

Feed Andropogon longiberbis every 8 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 8 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 Andropogon longiberbis?

Divide and repot clumps every 2-3 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 Andropogon longiberbis?

Andropogon longiberbis can be propagated through division, seeds. Similar propagation techniques also apply to gamba grass plant care, which shares the same genus.

Is the Andropogon longiberbis Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Andropogon longiberbis, 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 Andropogon longiberbis?

Andropogon longiberbis is susceptible to grasshoppers, aphids, 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 Andropogon longiberbis Need?

Andropogon longiberbis grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Andropogon longiberbis as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Andropogon longiberbis 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 Andropogon genus — compare its care with other Andropogon species on PlantoScan.

Andropogon is part of the Poaceae plant family — browse all Poaceae genera and species.

Andropogon longiberbis thrives in bright light and direct sun — see other bright-light plants.

More Andropogon Species

Other Andropogon species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Andropogon longiberbis Hack., family Poaceae (first published in Flora 68: 131 (1885)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Andropogon longiberbis, 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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