False Lupin (Thermopsis montana)

False Lupin

Also known as: Golden Pea, Revonpapu, Buckbean

False Lupin, or Thermopsis montana, gets its Latin name because it grows in the mountains, or at higher elevations. This pretty flower is often grown as an ornamental flower, but is suspected to be toxic.

Scientific classification

Species

False Lupin (Thermopsis montana)

Legumes, milkworts and allies

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Perennial

Lifespan

Herb

Plant Type

Green, Blue

Leaf Color

1.3 cm to 1.9 cm

Flower Size

Yellow

Flower Color

Deciduous

Leaf type

5 - 35 ℃

Ideal Temperature

Images of False Lupin

Distribution of False Lupin

Distribution Map

False Lupin is a plant native to the North American mountain regions. While it has remained mostly within its native range, false Lupin is also cultivated in other areas, suggesting a controlled expansion beyond its indigenous territories. The distribution now encompasses both its natural habitats, primarily montane environments, and cultivated landscapes in numerous temperate regions across the continents.

Native

Cultivated

Invasive

Introduced

No species reported

Discover plant distribution and habitat

Gain insights into where plants thrive and how they adapt, helping you identify, cultivate, and protect them with essential information on habitats, distribution maps, and climate trends.

Download the App for Free

Habitat

Well-drained, stony or sandy flats

Hemisphere Trend Curve

Northern

Sorthern

Toxicity

False Lupin is toxic to humans, cats, and dogs primarily through ingestion. The entire plant contains toxic alkaloids causing symptoms like nausea, vomiting, and neurological issues. If ingested, immediate medical or veterinary attention is crucial for all affected—humans, cats, and dogs.

Identify toxic plants in your garden

Find out what’s toxic and what’s safe for humans and pets.

Download the App for Free

Care Guide for False Lupin

Every week

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Thriving in grasslands, false Lupin prefers moderate moisture without waterlogging, requiring weekly watering for health. As an herbaceous perennial, it benefits from outdoor cultivation, utilizing natural rainfall patterns to enhance growth cycles and seasonal vigor.

Fertilize: False Lupin benefits from balanced fertilizers (10-10-10) for growth and high phosphorus formulas for blooming. Fertilize bimonthly with 1/4 cup per plant, adjusting for seasons. Conduct a soil test for nutrient needs, apply at the drip line, and water thoroughly to aid absorption.

Pruning: False Lupin is a hardy perennial with yellow flowers. Prune in early to late spring by removing dead or damaged stems to encourage healthy growth, shaping the plant, and reducing pests. Use clean, sharp tools for effective pruning and optimal regrowth.

Propagation: False Lupin is a perennial herbaceous plant preferring well-drained soils. Sow seeds shallowly in a germination medium, maintaining consistent moisture until germination. Early seedlings require adequate light, avoiding harsh direct sun. After establishment, gradually acclimatize false Lupin to outdoor conditions before final transplantation.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free