Cybister Amaryllis Plant Care

Hippeastrum cybister (Herb.) Benth. ex Baker

Updated · Sources · How we source care data

Hippeastrum cybister is a flowering perennial herbaceous bulbous plant, in the family Amaryllidaceae, native from Bolivia to Argentina.

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Water

Every 7–10 days

Light

Bright indirect light

Temp

65–75°F

Humidity

40–60%

At a glance

How do you care for Cybister Amaryllis?

Water Cybister Amaryllis every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–75°F (18–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.

What Is the Cybister Amaryllis?

Cybister Amaryllis (Hippeastrum cybister) belongs to the Amaryllidaceae family within the Hippeastrum genus.

Cybister Amaryllis displays an upright, clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 0.5 ft. Cybister Amaryllis produces large, showy trumpet-shaped flowers in various colors.

Leaf size: approximately 12 inches.

How Often Should You Water a Cybister Amaryllis?

Hippeastrum cybister 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 Cybister Amaryllis Need?

Cybister Amaryllis thrives in bright indirect light. Avoid placing Cybister Amaryllis in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Cybister Amaryllis Prefer?

Hippeastrum cybister grows best at temperatures of 65–75°F. Cybister Amaryllis prefers humidity levels of 40–60%.

Temperature

65–75°F

Humidity

40–60%

What Soil Mix Works Best for a Cybister Amaryllis?

Well-draining, rich potting mix with added perlite for aeration. Good drainage is essential for Cybister Amaryllis to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Cybister Amaryllis?

Feed Cybister Amaryllis 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 Cybister Amaryllis?

Repot 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 Cybister Amaryllis?

Cybister Amaryllis can be propagated through offsets, bulb scales, seeds. Similar propagation techniques also apply to aulicum amaryllis plant care, which shares the same genus.

Is the Cybister Amaryllis Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

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 Cybister Amaryllis?

Cybister Amaryllis is susceptible to aphids, spider mites, bulb mites. 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 Cybister Amaryllis Need?

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

Hardiness Zone

Zone 13b

Keep exploring plants

Cybister Amaryllis 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 Hippeastrum genus — compare its care with other Hippeastrum species on PlantoScan.

Hippeastrum is part of the Amaryllidaceae plant family — browse all Amaryllidaceae genera and species.

Cybister Amaryllis thrives in bright light and direct sun — see other bright-light plants.

More Hippeastrum Species

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

Sources

  • Scientific name & taxonomy: Hippeastrum cybister (Herb.) Benth. ex Baker, family Amaryllidaceae (first published in Handb. Amaryll. : 42, 47 (1888)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Cybister Amaryllis is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 13b, 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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