Wild Foxglove (Penstemon cobaea)

Wild Foxglove

Also known as: False Foxglove, Large-Flowered Beardtongue, Foxglove, Cobaea Beardtongue, Prairie penstemon, Prairie beardtongue, Large flowered beardtongue

The tube-like flowers of wild Foxglove attract hummingbirds, moths, butterflies, and other insects. Eventually, the wild Foxglove's flowers transform into blackened seed pods. They will grow in gardens, but new plants take several years to bloom.

Scientific classification

Species

Wild Foxglove (Penstemon cobaea)

Mints plantains olives and allies

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Perennial

Lifespan

Herb

Plant Type

Spring, Summer

Bloom Time

30 cm to 91 cm

Plant Height

60 cm

Spread

Evergreen, Semi-evergreen

Leaf type

0 - 41 ℃

Ideal Temperature

Spring, Summer

Growth Season

Images of Wild Foxglove

Quickly Identify Wild Foxglove

Bell-shaped flowers in vibrant purple, up to 2 feet (60 cm) tall.

Large, tubular flowers with intricate vein patterns, 1.5 to 2 inches (3.8 to 5 cm) long.

Soft, hairy, broadly ovate leaves, 6-8 inches (15-20 cm) long, clasping the stem.

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Care Guide for Wild Foxglove

Every week

Water

Full sun

Sunlight

0 - 41 ℃

Ideal Temperature

Water: Wild Foxglove thrives in variable moisture conditions, exhibiting moderate drought tolerance. It requires weekly watering to maintain moist but not saturated soil. Preferring cooler temperatures and benefiting from natural rainfall, wild Foxglove is well-suited for temperate zones, optimizing its hydration needs.

Fertilize: Fertilize wild Foxglove with balanced or high phosphorus fertilizers every 4-6 weeks during the growing season, applying to moist soil to prevent root burn. Adjust frequency for plant age and seasonal changes, reducing in winter. Follow package instructions for optimal results and garden aesthetics.

Pruning: Wild Foxglove is a hardy perennial with tubular flowers. Prune in early spring-late winter to remove dead stems, encouraging new growth. Avoid heavy pruning to maintain health. Pruning improves air circulation, reduces disease risks, and supports vigorous growth. Use clean tools for effective care.

Propagation: Wild Foxglove propagates well by sowing fresh seeds on a well-draining mix, ensuring good soil contact for germination. Keep the soil moist but not soggy. Stratification may enhance germination. Transplant seedlings to individual pots when they are large enough, before moving them to their final garden spot.

Repotting: Wild Foxglove requires excellent drainage in pots to thrive, ensuring proper moisture levels and root health.

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