Photo: Sebastián Saiter V.CC BY 4.0via iNaturalistresized / cropped
Patagonian Alstroemeria Plant Care
Alstroemeria patagonica Phil.
Updated · Sources · How we source care data
This plant is recognized by its striking red and yellow flowers with unique speckled markings. Originating from the mountains of Patagonia, it thrives in cool, moist conditions, making it a coveted addition to collections of rare and exotic plants.
Every 7–10 days
Full sun to partial shade
50–80°F
40–60%
At a glance
How do you care for Patagonian Alstroemeria?
Water Patagonian Alstroemeria 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 50–80°F (10–27°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
What Is the Patagonian Alstroemeria?
Patagonian Alstroemeria (Alstroemeria patagonica) belongs to the Alstroemeriaceae family within the Alstroemeria genus. Patagonian Alstroemeria is native to southern Argentina and southern Chile. Patagonian Alstroemeria is also known as Patagonian Lily, Peruvian Lily.
Patagonian Alstroemeria displays a clumping perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Patagonian Alstroemeria produces colorful, trumpet-shaped flowers in various shades.
Leaf size: approximately 6 inches.
How Often Should You Water a Patagonian Alstroemeria?
Alstroemeria patagonica 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 Patagonian Alstroemeria Need?
Patagonian Alstroemeria thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Patagonian Alstroemeria Prefer?
Alstroemeria patagonica grows best at temperatures of 50–80°F. Patagonian Alstroemeria prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Patagonian Alstroemeria?
Well-draining, fertile soil with added compost or organic matter. Good drainage is essential for Patagonian Alstroemeria to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Patagonian Alstroemeria?
Feed Patagonian Alstroemeria 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 Patagonian Alstroemeria?
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 Patagonian Alstroemeria?
Patagonian Alstroemeria can be propagated through division of rhizomes, seeds. Similar propagation techniques also apply to peruvian lily plant care, which shares the same genus.
Is the Patagonian Alstroemeria Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Patagonian Alstroemeria, 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 Patagonian Alstroemeria?
Patagonian Alstroemeria is susceptible to aphids, slugs, snails. 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 Patagonian Alstroemeria Need?
Patagonian Alstroemeria grows outdoors in USDA Zone 6a – 9b. It survives winters down to planting zone 6a. Patagonian Alstroemeria is native to southern Argentina and southern Chile.
Hardiness Zone
Zone 6a – 9b
Keep exploring plants
Patagonian Alstroemeria 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 Alstroemeria genus — compare its care with other Alstroemeria species on PlantoScan.
Alstroemeria is part of the Alstroemeriaceae plant family — browse all Alstroemeriaceae genera and species.
Patagonian Alstroemeria thrives in bright light and direct sun — see other bright-light plants.
More Alstroemeria Species
Other Alstroemeria species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Alstroemeria patagonica Phil., family Alstroemeriaceae (first published in Anales Univ. Chile 93: 160 (1896)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Patagonian Alstroemeria, 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: Sebastián Saiter V., CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 6a – 9b, 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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