Tall mountain larkspur (Delphinium scaposum)

Also known as: Barestem Larkspur

Tall mountain larkspur (Delphinium glaucum) is notable for its tall, slender stems which can reach up to 2 meters, topped with clusters of vibrant blue to violet flowers. This perennial plant is typically found in moist, well-drained soils of subalpine and alpine meadows.

**Distinctive Features:**
1. **Stem and Height:** Erect stems that can grow up to 2 meters, providing a dramatic vertical element in the landscape.
2. **Flowers:** Striking blue to violet blooms arranged in a dense, spiky inflorescence.
3. **Leaves:** Basal leaves that are deeply lobed and bluish-green, aiding in water conservation.

**Ecological Roles:**
1. **Pollinator Support:** The bright flowers attract a variety of pollinators, including bees, butterflies, and hummingbirds, enhancing local biodiversity.
2. **Soil Stabilization:** The plant’s deep root system helps to anchor soil, preventing erosion in its mountainous habitat.
3. **Ecosystem Contribution:** Provides essential food and habitat for insects and small wildlife.

In summary, the tall mountain larkspur is a key player in its native environment, promoting ecological stability and supporting a multitude of species through its various roles.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Tall mountain larkspur

Lifespan

Perennial

Plant Type

Herb

Plant Height

30 cm to 91 cm

Spread

Not applicable, as it is a single-stemmed plant

Leaf Color

Green

Flower Size

Approximately 2-4 cm

Flower Color

Blue

Images of Tall mountain larkspur

Quickly Identify Tall mountain larkspur

The Barestem Larkspur can be identified by its tall, unbranched stems that usually bear loose clusters of vibrant blue flowers. The basal leaves are deeply divided and have a lacy appearance. The flowers have five petal-like sepals and are spurred, typical of the Delphinium genus.

Scientific Classification of Tall mountain larkspur

Phylum

Vascular plants

Class

Dicotyledons

Order

Ranunculales

Family

Buttercup

Genus

Larkspurs

Species

Tall mountain larkspur

Planting and Growing of Tall mountain larkspur

Care Difficulty

Moderate

Watering Schedule

Every 3 days

Sunlight Requirements

Full sun

Sunshine Duration

4-6 hours

Ideal Temperature

60-75℉

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 Tall mountain larkspur?

For Delphinium scaposum, watering should mimic its natural dry habitat. Ensure thorough watering, allowing the water to soak through the root zone completely, but avoid waterlogging the soil.

What are the symptoms of an underwatered Tall mountain larkspur? ›

What should I do if my Tall mountain larkspur is not getting enough water? ›

What are the symptoms of an overwatered Tall mountain larkspur? ›

How to save an overwatered Tall mountain larkspur? ›

What Are the Sunlight Requirements for Tall mountain larkspur?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours daily.

Delphinium scaposum ideally thrives with partial to full day sun exposure. Optimal light ensures vigorous growth, vibrant bloom colors, and improved disease resistance.

Optimal Light Duration ›

Solution for Achieving Ideal Light ›

Benefits of Correct Light Exposure ›

What Is the Ideal Temperature Range for Tall mountain larkspur?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for Delphinium scaposum is between 60°F and 75°F. This range promotes optimal growth and blooming as it mimics the plant's natural environment, providing the necessary warmth without causing stress.

What Soil is Best for Tall mountain larkspur?

Soil type: Sandy soil, Sandy loam, Loam

Soil PH: 6.5 ~ 7.5

Delphinium scaposum thrives in well-drained soil, which prevents root rot by allowing excess water to quickly escape. This is crucial for the plant's health and ensures robust growth. A soil rich in organic matter offers essential nutrients, promoting lush foliage and vibrant blooms. This ensures the plant reaches its full ornamental potential. While the soil should be well-drained, it also needs to retain some moisture to prevent the plant from desiccating. This balance is key to maintaining turgor and preventing wilting.

How to Fertilize Tall mountain larkspur?

Fertilizer type: Balanced

For Delphinium scaposum, the recommended fertilizer amount depends on the plant's growth stage. During the active growth phase, apply approximately 1/2 to 1 teaspoon of balanced NPK fertilizer per plant, ensuring even distribution around the root zone. Avoid direct contact with the stem to prevent burns.

How to Prune Tall mountain larkspur?

Pruning Time: Spring, Summer

Always use sharp, sterilized pruning shears to prevent the spread of disease between plants. Dull tools can cause jagged cuts that may harm the plant and open pathways for pathogens. Avoid pruning in late summer or autumn, as it might encourage new growth that could be damaged by winter frost. Focus on spring and early summer cutbacks to give the plant plenty of time to recover and thrive. Delphinium sap can be irritating to the skin for some people. It is advisable to wear gloves and long sleeves while pruning to protect yourself from possible irritation. More About Pruning Techniques→

How to Propagate Tall mountain larkspur plant?

Propagate Time: Spring,Late spring,Early spring

Start by filling seed trays with a well-draining potting mix. Lightly sow the seeds on the surface and cover them with a thin layer of the soil mix. Water gently to moisten the soil and place the trays in a warm, well-lit area.

Select a healthy stem from the parent plant near the base. Use sharp pruning shears to cut a 4-6 inch long piece. Remove the lower leaves, and dip the cut end in rooting hormone before planting it in moist potting mix.

Carefully dig up a mature Delphinium scaposum with roots intact. Shake off excess soil and use a sharp knife to divide the plant into sections, each with its own set of roots and shoots. Replant the divisions into prepared soil immediately.

More About Propagating Techniques→

How to Repot Tall mountain larkspur plant?

Repotting frequency: Every two years

Look for signs such as the plant becoming root-bound, with roots emerging from the drainage holes. If the plant's growth seems stunted or the soil dries out rapidly, these are indicators that it's time to repot your Delphinium scaposum.

Select a pot that is one size larger than the current one, with ample drainage holes. A good-sized pot helps prevent root bounding, allows the roots to expand, and minimizes waterlogging, promoting healthier growth.

Opt for a well-draining potting mix, ideally one that retains moisture while facilitating proper drainage. This type of soil ensures that your plant's roots do not sit in water, preventing root rot and enabling optimal nutrient uptake.

Toxicity

ingestion

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.