Quick answer: Sundial lupine (Lupinus perennis) is native to 25 states. What's commonly sold under this name is often a bred variety or the wrong species — see the lookalike alert below. It's typically seeds, verified 15 Sep 2026.
Where it's native
Listed in the register as native to these states. Click a state for its full native-plant guide.
Growing conditions
From the Lady Bird Johnson Wildflower Center Native Plant Database.
| Sun | Sun, Part Shade |
|---|---|
| Water | Dry-Moist, requires good drainage |
| Soil | Dry, sandy soils, acidic to neutral pH |
| Bloom | Bloom Apr-Jul |
| Height | Up to 2 ft tall |
| Wildlife value | Deer browse foliage, birds/mammals eat seeds, larval host for Karner Blue and Frosted Elfin, special value to native and bumble bees |
Genus Lupinus, especially seeds, can be toxic to humans/animals if ingested in large quantities; seeds are poisonous part causing respiratory depression, slow heartbeat, sleepiness, convulsions due to alkaloids
none noted (related species L. polyphyllus is invasive in Northeast, not L. perennis itself)
Lookalike alert
Everywhere; consistent Russell-lupine-hybrid trap warning in every state.
Sold as: Seeds via Amazon · listing verified 15 Sep 2026
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