Image: AI generated
Lupine Plant Care
Lupinus polyphyllus Lindl.
Updated · Sources · How we source care data
Lupinus polyphyllus, the large-leaved lupine, big-leaved lupine, many-leaved lupine, blue-pod lupine, or, primarily in cultivation, garden lupin, is a species of lupine (lupin) native to western North America from southern Alaska and British Columbia and western Wyoming, and south to Utah and California. It commonly grows along streams and creeks, preferring moist habitats.
Every 7–10 days
Full sun to partial shade
50–80°F
40–60%
At a glance
How do you care for Lupine?
Water Lupine 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.
Where Is the Lupine Native To?
What Is the Lupine?
Lupine (Lupinus polyphyllus) belongs to the Fabaceae family within the Lupinus genus. Lupine is native to western North America from southern Alaska and British Columbia and western Wyoming, and south to Utah and California. Lupine is also known as Garden Lupine, Russell Lupine, Large-leaved Lupine.
Lupine displays an upright, bushy perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Lupine produces showy spikes of pea-like flowers in various colors.
Leaf size: approximately 4 inches.
How Often Should You Water a Lupine?
Lupinus polyphyllus 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 Lupine Need?
Lupine thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Lupine Prefer?
Lupinus polyphyllus grows best at temperatures of 50–80°F. Lupine prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Lupine?
Well-draining sandy loam with added organic matter. Good drainage is essential for Lupine to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Lupine?
Feed Lupine 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 Lupine?
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 Lupine?
Lupine can be propagated through seeds.
Is the Lupine Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Lupine, 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 Lupine?
Lupine is susceptible to aphids, leafhoppers, spider 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 Lupine Need?
Lupine grows outdoors in USDA Zone 4a – 8b. It survives winters down to planting zone 4a. Lupine is native to western North America from southern Alaska and British Columbia and western Wyoming, and south to Utah and California.
Hardiness Zone
Zone 4a – 8b
Keep exploring plants
Lupine 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 Lupinus genus — compare its care with other Lupinus species on PlantoScan.
Lupinus is part of the Fabaceae plant family — browse all Fabaceae genera and species.
Lupine thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Lupinus polyphyllus Lindl., family Fabaceae (first published in Bot. Reg. 13: t. 1095 (1827)) — World Flora Online record, IPNI name record, Wikidata.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Lupine, 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: AI-generated illustration (labelled on the image).
- Hardiness zone: USDA Zone 4a – 8b, 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.
Identify Plants Like the
Lupine Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species