Wooly Bluecurls (Trichostema lanatum)

Also known as: Woolly Blue Curls

Wooly Bluecurls (Trichostema lanatum) is an evergreen perennial shrub that typically reaches heights of 91 to 122 cm and spreads 1.2 to 1.5 meters wide. It features striking blue flower clusters that bloom from spring through fall. For optimal growth, plant Wooly Bluecurls in a sunny location with well-drained soil. This drought-tolerant plant thrives best in conditions that mimic its native Mediterranean climate, requiring minimal water once established.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Wooly Bluecurls

Lifespan

Perennial

Plant Type

Shrub

Plant Height

91 cm to 1.2 m

Spread

90 cm to 1.2 m

Leaf Color

Green

Flower Size

30 cm

Flower Color

Blue Pink Purple

Images of Wooly Bluecurls

Quickly Identify Wooly Bluecurls

Shiny green leaves with white woolly undersides

Clusters of vibrant blue flowers with recurved stamens

Evergreen shrub reaching 3-4 feet (90-120 cm) in height

Foliage colors contrast sharply for easy recognition

Blooms from late spring through summer, potentially into fall

Scientific Classification of Wooly Bluecurls

Phylum

Vascular plants

Class

Dicotyledons

Order

Lamiales

Family

Mint

Genus

Trichostema

Species

Wooly Bluecurls

Planting and Growing of Wooly Bluecurls

Care Difficulty

Moderate

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

4-8 hours

Ideal Temperature

50-75℉

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

Terracotta, Plastic

How to Water Wooly Bluecurls?

Trichostema lanatum prefers to have its roots well-drained, so when watering, ensure the soil is moistened thoroughly without becoming waterlogged. A good rule of thumb is to water until you see a bit of drainage at the bottom of the pot, indicating the water has reached the root level.

What are the symptoms of an underwatered Wooly Bluecurls? ›

What should I do if my Wooly Bluecurls is not getting enough water? ›

What are the symptoms of an overwatered Wooly Bluecurls? ›

How to save an overwatered Wooly Bluecurls? ›

What Are the Sunlight Requirements for Wooly Bluecurls?

Sunlight Requirements: Full sun

Duration of light: 6 to 8 hours

Full sun exposure is ideal for Trichostema lanatum, which promotes vibrant flower production and healthy, dense foliage. This light requirement fulfills its energy needs and supports structural strength and longevity.

How much light does Trichostema lanatum need daily? ›

What is the best solution to achieve ideal lighting for Woolly Bluecurls? ›

What benefits does Trichostema lanatum gain from ideal lighting? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Wooly Bluecurls?

Ideal Temperature: 50 ~ 75℉

The ideal temperature range for Trichostema lanatum, commonly known as woolly bluecurls, is between 50 and 75 degrees Fahrenheit. This temperature range supports optimal growth and flowering, providing the necessary warmth for metabolic processes without causing heat stress.

What Soil is Best for Wooly Bluecurls?

Soil type: Sandy soil, Loam

Soil PH: 6.5 ~ 7.5

Trichostema lanatum thrives in well-draining soils that prevent water stagnation. This requirement is beneficial as it reduces the risk of root rot and other moisture-related diseases, ensuring healthy growth. This plant does not require overly rich soils. Moderate nutrient levels suffice, promoting sturdy stem development and optimal flowering without excessive vegetative growth. Good soil aeration is crucial for Trichostema lanatum as it enhances root respiration. Aerated soil supports robust root systems, which in turn improves the plant's overall vigor and stress tolerance.

How to Fertilize Wooly Bluecurls?

Fertilizer type: Balanced

Trichostema lanatum, also known as woolly bluecurls, is a plant that thrives on minimal nutrient input, mirroring its natural habitat in nutrient-poor soils. When fertilizing, use a balanced, water-soluble fertilizer at a quarter of the recommended strength, especially if you notice signs of nutrient deficiency. Over-fertilization can lead to undesirable lush growth and flowering reduction, so moderation is key.

How to Prune Wooly Bluecurls?

Pruning Time: Spring, Autumn

Begin your pruning process by identifying any dead, damaged, or diseased branches. Removing these helps improve air circulation and encourages healthy growth. Cut back to the nearest healthy part of the branch to prevent infection spread. Trichostema lanatum can benefit from minimal shaping to promote a bushier appearance. Cut back any excessively long branches to maintain a balanced shape. Ensure cuts are made just above a leaf node to encourage desirable new growth. More About Pruning Techniques→

How to Propagate Wooly Bluecurls plant?

Propagate Time: Late winter, Early spring, Spring

Harvest seeds when the seed heads have dried on the plant. Gently shake the dry flower heads over a container to collect the seeds. Make sure to store the seeds in a cool, dry place until you are ready to plant.

Select healthy, non-flowering shoots from the Trichostema lanatum. Use a sharp, sterile pruning shear to cut 4 to 6-inch lengths and remove the lower leaves, ensuring a few are left to capture sunlight.

Use a soil mix that is sandy and well-draining. Plant seeds or place cuttings into the soil with the cut end facing down for cuttings. Water the soil lightly to ensure it's moist but not wet.

More About Propagating Techniques→

How to Repot Wooly Bluecurls plant?

Repotting frequency: Every 2-3 years

Repotting Trichostema lanatum is best when roots start to circle the pot or emerge from the drainage holes. This typically indicates that the plant has outgrown its current container and will benefit from more space. Also, if you notice reduced flowering or stunted growth, these could be signs that repotting is necessary.

Choosing the right pot is crucial. Opt for a pot that is 1-2 inches larger in diameter than the current one to allow for root expansion. Ensure it has ample drainage holes to prevent waterlogging, which could lead to root rot—a well-ventilated pot promotes a healthier root system and better growth.

Select a well-draining sandy mix rich in organic matter. This soil type replicates the plant's natural habitat, providing the perfect balance of moisture retention and aeration. It helps prevent overwatering issues while providing essential nutrients for thriving growth.