Tuberous Vervain

Verbena rigida

Native to:
Argentina, Bolivia, Brazil, Paraguay, Uruguay

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Verbenaceae
Genus:
Verbena
Species:
Verbena rigida
USDA Symbol:
VERI2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug,sep,oct
Bloom Colors:
purple, violet, lavender
Ground Cover:
Yes

Garden & Ecology Notes

Wildlife Value:
butterflies, bees, hummingbirds
Deer Resistant:
Yes

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to open, rocky areas and grasslands

Propagation & Germination

Stratification:
None required
Germination Time:
14–28 days
Notes:
Seeds germinate best at 65-75°F. Light may improve germination rates.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 4C for 3 weeks, then place @ 20C.

Source: Ontario Rock Garden & Hardy Plant Society