Yellow Pimpernel
Taenidia integerrima
- Native to:
- Canada, United States, Virgin Islands
Mason Brock ( Masebrock (en.wikipedia.org) )
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apiaceae
- Genus:
- Taenidia
- Species:
- Taenidia integerrima
- USDA Symbol:
- TAIN
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 90 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★★☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Agonopterix clemensella, Agonopterix flavicomella, Black Swallowtail (Papilio polyxenes), Ozark Swallowtail (Papilio joanae)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, bees
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- dry, rocky or sandy, well-drained soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny locations
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold stratification for 60-90 days; sow in fall or after stratification.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI
ORGHPS Germination Guide: Sow @ 4C for 3 weeks, then place @ 20C.
Where to Buy
Nationwide Seller
- Native Plants Nursery (nursery)
- Prairie Moon Nursery (nursery and seeds)