Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Campanulaceae

Genus:

Brighamia

Species:

Brighamia insignis

USDA Symbol:

BRIN4

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub

Height:

500 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

sep,oct,nov,dec

Bloom Colors:

yellow, cream

Landscaping Shrub:

Yes

Garden & Ecology Notes

Wildlife Value:

native Hawaiian moths (sphinx moths)

Deer Resistant:

Yes

Salt Tolerant:

Yes

Fragrant:

Yes

Soil Requirements

Soil Type:

rocky, well-drained volcanic soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to steep, wind-swept cliffs of Hawaii

Propagation & Germination

Stratification:

None required

Germination Time:

14–30 days

Notes:

Seeds germinate readily without pretreatment; best sown fresh. Requires warm temperatures (70-80°F).

The above propagation data sourced from Claude AI