Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orchidaceae

Genus:

Platanthera

Species:

Platanthera grandiflora

USDA Symbol:

PLGR12

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Epiphyte

Height:

60 cm

Light Requirements:

Part Shade

Drought Tolerance:

Low

Bloom Months:

jun,jul,aug

Bloom Colors:

purple, pink, lavender

Wildlife Benefits

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

moths, butterflies

Fragrant:

Yes

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 6.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

consistently moist

Notes:

prefers habitats like moist meadows and woodland edges

Propagation & Germination

Stratification:

Cold/moist stratification required — 90–120 days

Notes:

Orchid seeds require mycorrhizal fungi for germination; propagation from seed is extremely difficult without laboratory conditions.