Porterweed

Stachytarpheta ×intercedens

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Verbenaceae
Genus:
Stachytarpheta
Species:
Stachytarpheta ×intercedens

Growth Characteristics

Life Cycle:
Annual | Perennial
Growth Habit:
Forb/herb
Height:
150 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jan,feb,mar,apr,may,jun,jul,aug,sep,oct,nov,dec
Bloom Colors:
purple, violet

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

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

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers organic matter-rich environments

Propagation & Germination

Stratification:
None required
Germination Time:
14–30 days
Notes:
Seeds germinate readily in warm conditions without pretreatment.

Propagation data sourced from Claude AI