Hill morning glory
Calystegia subacaulis
Last reviewed: August 2026
Light
full sun
Water
low
Size
4"–10" H × 12"–24" W
Bloom
Mar, Apr, May
Native to
CA
Pollinators
bees
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 431 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaA low, mostly stemless morning glory relative with arrow-shaped leaves close to the ground and large funnel-shaped white to pale lavender flowers in spring. Its sprawling habit reads as informal rather than tidy.
Wildlife value
The large spring flowers are an important early nectar source for native bees in open grassland.
Common questions
- How much sun does Hill morning glory need?
- Hill morning glory grows best in full sun conditions.
- When does Hill morning glory bloom?
- Hill morning glory blooms in March, April, and May.
- Where is Hill morning glory native?
- Hill morning glory (Calystegia subacaulis) is native to CA, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Hill morning glory attract?
- Hill morning glory draws bees.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Hill morning glory? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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