Downy yellow false foxglove (Aureolaria virginica)

Downy yellow false foxglove

Also known as: Downy Oak-Leach, Downy oak leach, Virginia oak-leech

Downy yellow false foxglove (Aureolaria virginica) is an indigenous eastern North American species. It’s also hemiparasitic, which means it sucks up nutrients and water from the roots of a host plant. However, downy yellow false foxglove is fussy and will only attach itself to the white oak. It gets the rest of its nourishment the way most other plants do—through photosynthesis.

Scientific classification

Species

Downy yellow false foxglove (Aureolaria virginica)

Mints plantains olives and allies

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50 cm to 1.5 m

Plant Height

30 cm to 90 cm

Spread

5 cm to 6 cm

Flower Size

Yellow

Flower Color

Deciduous

Leaf type

5 - 35 ℃

Ideal Temperature

Summer, Fall

Growth Season

Moderate

Growth Rate

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Quickly Identify Downy yellow false foxglove

Soft, downy stems and foliage with fine hairs.

Yellow tubular flowers on terminal racemes.

Hairy dry ovoid capsules with unique splitting behavior.

Opposite, petiolate leaves ranging from 2.5 to 6 inches.

Rigid stem with a square cross-section and pubescent surface.

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Care Guide for Downy yellow false foxglove

Every week

Water

Partial sun

Sunlight

5 - 35 ℃

Ideal Temperature

Water: Native to Eastern North America's deciduous woodlands, downy yellow false foxglove prefers consistent moisture and shows moderate drought tolerance. Weekly watering is ideal to mimic natural conditions, and mulching aids in moisture retention during the growing season, making outdoor cultivation optimal for its health.

Fertilize: For downy yellow false foxglove, use a balanced slow-release fertilizer with an equal NPK ratio, applied biannually in spring and fall. This approach enhances downy yellow false foxglove's vigor and flowering while preventing root burn. Follow label instructions for safe application and adjust seasonally for optimal nutrient delivery.

Pruning: Downy yellow false foxglove features vibrant yellow flowers and a downy texture. Prune in early to late spring, focusing on dead or damaged stems to enhance growth and airflow. Avoid pruning during peak flowering to maintain its appearance, ensuring a healthy and vigorous garden presence.

Propagation: Downy yellow false foxglove propagates best through sowing in well-draining substrate. Scarify seeds to enhance water absorption. Maintain consistent moisture without overwatering during the several weeks of germination. Use a nutrient-rich propagation medium to aid healthy seedling development once germination occurs.

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Images of Downy yellow false foxglove

Quickly Identify Downy yellow false foxglove

Care Guide for Downy yellow false foxglove

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