Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Convolvulaceae

Genus:

Calystegia

Species:

Calystegia occidentalis

USDA Symbol:

CAOC6

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb , Vine

Height:

300 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

may,jun,jul,aug,sep

Bloom Colors:

white, pink

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Reported Fauna Sightings

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, hummingbirds

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from underground rhizomes after fire, common in post-fire chaparral succession.

Soil Requirements

Soil Type:

well-drained, sandy or rocky soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to dry, rocky hillsides and slopes

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–30 days

Notes:

Seeds have hard coats requiring scarification. Cold stratification improves germination rates.

The above propagation data sourced from Claude AI