Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rubiaceae

Genus:

Richardia

Species:

Richardia grandiflora

USDA Symbol:

RIGR3

Growth Characteristics

Life Cycle:

Annual | Perennial

Growth Habit:

Forb/herb

Height:

30 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

apr,may,jun,jul,aug,sep,oct

Bloom Colors:

pink, white, lavender

Ground Cover:

Yes

Lawn Substitute:

Yes

Reported Fauna Sightings

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Salt Tolerant:

Yes

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to sandy, open areas in southeastern USA

Propagation & Germination

Stratification:

None required

Germination Time:

14–30 days

Notes:

Seeds germinate readily in warm conditions without pretreatment. Surface sow as seeds may need light.

The above propagation data sourced from Claude AI