Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rosaceae

Genus:

Rubus

Species:

Rubus macraei

USDA Symbol:

RUMA6

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Subshrub

Height:

150 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

apr,may,jun,jul

Bloom Colors:

white, pink

Keystone Species Ranking

Caterpillar Keystone:

★★★★★ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

birds

Soil Requirements

Soil Type:

rich, well-drained volcanic soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

consistently moist

Notes:

native to Hawaiian volcanic regions

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–120 days

Germination Time:

21–60 days

Notes:

Seeds may have double dormancy and erratic germination typical of Rubus genus.

The above propagation data sourced from Claude AI