Longleaf Speedwell
Veronica longifolia
- Native to:
- Austria, Baltic States, Belarus, Belgium, Bulgaria, China, Czechia-Slovakia, Denmark, France, Germany, Hungary, Italy, Kazakhstan, Kirgizstan, Korea, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Romania, Russia, Sweden, Türkiye, Türkiye-in-Europe, Ukraine
Agnieszka Kwiecień, Nova
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Plantaginaceae
- Genus:
- Veronica
- Species:
- Veronica longifolia
- USDA Symbol:
- PSLO6
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 120 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- blue, violet, purple, pink, white
Keystone Species Ranking
- Caterpillar Keystone:
- ★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)
Reported Fauna Sightings
Bees: Two-spotted bumble (Bombus bimaculatus)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, hummingbirds
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, fertile, well-drained loam
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- prefers riverbanks and moist meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require light for germination; surface sow and do not cover. Cool temperatures around 65°F preferred.
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires light / surface sow (fine seed).