Fuzzytongue penstemon (Penstemon eriantherus)

Also known as: Fuzzytongue Beardtongue, Woolly Penstemon

The oppositely positioned leaves can reach lengths of up to 13 centimeters and may have slightly toothed edges. The flower emerges from a calyx composed of narrow, pointed sepals. The corolla extends to approximately 4 centimeters in length and has an opening that can be up to 1.4 centimeters wide. Its color ranges from lavender to shades of reddish or bluish purple. The lower lip and staminode are densely covered with yellowish hairs.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Fuzzytongue penstemon

Lifespan

Perennial

Plant Type

Herb, Shrub

Plant Height

30-60 cm

Spread

20-30 cm

Leaf Color

Green Blue

Flower Size

1-2 cm

Flower Color

Pink Purple

Images of Fuzzytongue penstemon

Quickly Identify Fuzzytongue penstemon

To identify Penstemon eriantherus, look for its distinctive woolly or hairy flowers that are tubular and typically lavender to pink in color. The leaves are also covered in fine hairs and are usually arranged opposite each other on the stem.

Scientific Classification of Fuzzytongue penstemon

Phylum

Vascular plants

Class

Dicotyledons

Order

Lamiales

Family

Plantain

Genus

Penstemon

Species

Fuzzytongue penstemon

Planting and Growing of Fuzzytongue penstemon

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

4-8 hours

Ideal Temperature

65-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Fuzzytongue penstemon?

For Penstemon eriantherus, aim to provide about 250 milliliters of water per session. Ensure that the water thoroughly soaks the soil but does not leave it waterlogged. The soil should be kept consistently moist during active growing seasons without being excessively damp.

What are the symptoms of an underwatered Fuzzytongue penstemon? ›

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What are the symptoms of an overwatered Fuzzytongue penstemon? ›

How to save an overwatered Fuzzytongue penstemon? ›

What Are the Sunlight Requirements for Fuzzytongue penstemon?

Sunlight Requirements: Full sun

Duration of light: 6-8 hours daily

Penstemon eriantherus prefers full sun exposure for optimal growth. Adequate sunlight encourages vigorous growth and abundant blooming, enhancing its natural beauty.

What are the ideal lighting conditions for Penstemon eriantherus? ›

How to achieve ideal lighting conditions for Penstemon eriantherus? ›

What are the benefits of ideal lighting conditions for Penstemon eriantherus? ›

What Is the Ideal Temperature Range for Fuzzytongue penstemon?

Ideal Temperature: 65 ~ 75℉

The ideal temperature range for Penstemon eriantherus is between 65°F and 75°F. This range supports optimal growth, enabling the plant to thrive with ample sunlight and moderate watering. Within this temperature window, Penstemon eriantherus can efficiently carry out photosynthesis and maintain strong cellular functions, ensuring vibrant blooms and healthy foliage.

What Soil is Best for Fuzzytongue penstemon?

Soil type: Sandy soil, Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Penstemon eriantherus thrives in well-draining soil that prevents water from pooling around the roots. Providing such soil reduces the risk of root rot, promoting a robust root system crucial for the plant's vibrant flowers. While too much fertility can be harmful, a moderately fertile soil helps Penstemon eriantherus nourish itself efficiently, ensuring a balanced nutrient intake without the risk of over-fertilization, thus maintaining vigorous growth. The plant favors a slightly alkaline condition that helps in the absorption of crucial nutrients. This ensures that Penstemon eriantherus achieves optimal growth, resulting in healthier foliage and more abundant blooms.

How to Fertilize Fuzzytongue penstemon?

Fertilizer type: Balanced

Penstemon eriantherus prefers a balanced approach when it comes to fertilization. Use about 1/4 teaspoon of liquid fertilizer per gallon of water when applying each time. Solid fertilizers should be used sparingly at about 1/2 cup per plant annually.

How to Prune Fuzzytongue penstemon?

Pruning Time: Spring, Summer

Begin by removing any spent or faded flowers throughout the blooming season. This practice, known as deadheading, stimulates new flower growth and redirects the plant's energy from seed production back to blooming. To maintain a desirable shape and size, cut back longer stems to encourage a fuller, more compact form. Make your cuts just above a pair of leaves or a node where new growth can emerge. More About Pruning Techniques→

How to Propagate Fuzzytongue penstemon plant?

Propagate Time: Spring, Early spring, Late spring

Fill seed trays with a well-draining soil mix. Sprinkle Penstemon eriantherus seeds evenly over the surface and cover them lightly with soil. Water gently to ensure contact with the soil, and keep them in a warm, bright location.

Select healthy stems from the parent plant and take cuttings about 3-4 inches long. Remove the lower leaves and dip the cut end in rooting hormone powder to encourage root growth.

Insert the prepared cuttings into moist, well-draining soil. Place them in a warm, humid environment, ideally covered with a plastic dome or bag to maintain moisture levels until roots develop.

More About Propagating Techniques→

How to Repot Fuzzytongue penstemon plant?

Repotting frequency: Every 2-3 years

Penstemon eriantherus should be repotted when you see roots growing out of the drainage holes, indicating the plant has outgrown its current pot. Another sign is if water runs straight through the pot quickly. The ideal time is during spring or summer to ensure healthy root growth.

Select a pot that is 1-2 inches larger in diameter than the current pot. Ensure it has adequate drainage holes to prevent waterlogging, which can lead to root rot. A slightly larger pot will allow your Penstemon eriantherus room to grow without overwhelming its root system.

Opt for a well-draining potting mix, ideally one that mimics the plant's natural environment. This soil type will prevent water from accumulating, thus reducing the risk of root rot. Including some organic material will also support nutrient retention and plant health.