Penstemon digitalis Facts
Family Name: Plantaginaceae
Common Name: beard tongue
Common Name: Penstemon digitalis
Zone: Zone 4: (-34 to -29 C)
Pest: Fungal leaf spot, Rust, Slugs or snails,
Flowering Time: Jun, Jul, Aug,
Leaf Form: Simple,
Leaf Arrangement: Opposite,
Leaf Shape: Oblanceolate, Oblong,