Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Campanulaceae

Genus:

Brighamia

Species:

Brighamia rockii

USDA Symbol:

BRRO

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub

Height:

500 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

sep,oct,nov

Bloom Colors:

yellow, cream

Garden & Ecology Notes

Wildlife Value:

moths, native Hawaiian insects

Deer Resistant:

Yes

Salt Tolerant:

Yes

Fragrant:

Yes

Soil Requirements

Soil Type:

rocky, volcanic, well-drained soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to steep cliffs with minimal soil

Propagation & Germination

Stratification:

None required

Germination Time:

14–60 days

Notes:

Seeds germinate readily without pretreatment. Fresh seed has higher viability than stored seed.

The above propagation data sourced from Claude AI