Sweet Pitcher Lily Plant Care
Lilium iridollae M.G.Henry
Updated · Sources · How we source care data
Lilium iridollae is a species of "true lily". A perennial forb, it is one of nine known Lilium species native to the eastern North America.
Every 4–7 days
Full sun to partial shade
50–75°F
40–70%
At a glance
How do you care for Sweet Pitcher Lily?
Water Sweet Pitcher Lily every 4–7 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–75°F (10–24°C) and 40–70% 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.
Where Is the Sweet Pitcher Lily Native To?
What Is the Sweet Pitcher Lily?
Sweet Pitcher Lily (Lilium iridollae) belongs to the Liliaceae family within the Lilium genus. Sweet Pitcher Lily is native to the eastern North America.
Sweet Pitcher Lily displays an upright, tall perennial growth habit, reaching up to 4 ft tall with a spread of approximately 1 ft. Sweet Pitcher Lily produces large, showy flowers in various colors like white, pink, orange, or red.
Leaf size: approximately 8 inches.
How Often Should You Water a Sweet Pitcher Lily?
Lilium iridollae requires watering every 4–7 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 4–7 days
Let soil partially dry between waterings
What Light Does the Sweet Pitcher Lily Need?
Sweet Pitcher Lily thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Sweet Pitcher Lily Prefer?
Lilium iridollae grows best at temperatures of 50–75°F. Sweet Pitcher Lily prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Sweet Pitcher Lily?
Well-draining, fertile soil with added organic matter like compost or peat moss. Good drainage is essential for Sweet Pitcher Lily to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Sweet Pitcher Lily?
Feed Sweet Pitcher Lily 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 Sweet Pitcher Lily?
Repot every 2-3 years in early spring after flowering. 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 Sweet Pitcher Lily?
Sweet Pitcher Lily can be propagated through division of bulbs, scales, or seeds. Similar propagation techniques also apply to orange lily plant care, which shares the same genus.
Is the Sweet Pitcher Lily 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 Sweet Pitcher Lily?
Sweet Pitcher Lily is susceptible to aphids, red lily beetles, slugs. 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 Sweet Pitcher Lily Need?
Sweet Pitcher Lily grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Sweet Pitcher Lily is native to the eastern North America. In cooler regions, grow Sweet Pitcher Lily as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Sweet Pitcher Lily 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 Lilium genus — compare its care with other Lilium species on PlantoScan.
Lilium is part of the Liliaceae plant family — browse all Liliaceae genera and species.
Sweet Pitcher Lily thrives in bright light and direct sun — see other bright-light plants.
More Lilium Species
Other Lilium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Lilium iridollae M.G.Henry, family Liliaceae (first published in Bartonia 24: 2 (1947)) — World Flora Online record, IPNI name record.
- Pet toxicity: Sweet Pitcher Lily 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 12a, 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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