Honeywort (Cerinthe major)

Also known as: Honeywort, Greater Honeywort

Honeywort (Cerinthe major) originates from the Mediterranean area, spanning Southern Europe and Northern Africa. It thrives in moist yet well-drained soil under full sunlight. Noted for the striking blue foliage surrounding its blooms, Honeywort adds a unique touch to its native landscapes.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Honeywort

Lifespan

Annual, Biennial

Plant Type

Herb

Plant Height

15 cm to 80 cm

Spread

60 cm

Leaf Color

Green Blue

Flower Size

0.5-1 inch (1-2.5 cm)

Flower Color

Yellow Purple Blue

Images of Honeywort

Quickly Identify Honeywort

Cerinthe major can be identified by its distinctive blue-purple tubular flowers and thick, fleshy leaves that have a silvery-blue hue. The stems are sturdy and can grow in a sprawling manner.

Scientific Classification of Honeywort

Phylum

Vascular plants

Class

Dicotyledons

Order

Boraginales

Family

Borage

Genus

Honeyworts

Species

Honeywort

Planting and Growing of Honeywort

Care Difficulty

Easy

Watering Schedule

Every 4 days

Sunlight Requirements

Full sun

Sunshine Duration

6-10 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 Honeywort?

When watering Cerinthe major, aim to thoroughly soak the soil without causing standing water. The soil should be moist but not waterlogged. It's better to water deeply and less frequently to encourage deep root growth. Ensure water penetrates to at least 10-15 cm deep.

What are the symptoms of an underwatered Honeywort? ›

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

What are the symptoms of an overwatered Honeywort? ›

How to save an overwatered Honeywort? ›

What Are the Sunlight Requirements for Honeywort?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6-8 hours daily

Cerinthe major ideally flourishes with exposure to full sun for most of the day, yet it tolerates partial sun conditions. Adequate sunlight enhances growth, supports vivid floral displays, and maintains healthy, sturdy stems, improving the whole plant structure.

Optimal Sunlight Duration ›

Solutions for Adequate Light ›

Benefits of Ideal Lighting ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Honeywort?

Ideal Temperature: 60 ~ 75℉

Cerinthe major thrives in temperatures ranging from 60-75°F. These conditions allow optimal enzymatic activity and metabolic rates, promoting vigorous growth and robust flowering. This range avoids stress caused by thermal anomalies, ensuring healthy plant development.

What Soil is Best for Honeywort?

Soil type: Sandy loam, Sand soil, Loam

Soil PH: 6.5 ~ 7.5

Cerinthe major thrives in soils that drain well, preventing waterlogging that can lead to root rot. Well-draining soil ensures the roots are well-aerated and helps the plant absorb essential nutrients efficiently. This plant prefers soil with moderate fertility, as too much organic matter can lead to excessive foliage growth with fewer flowers. Balanced fertility aids in optimal flowering and healthy foliage. Cerinthe major often performs better in slightly alkaline soils, where nutrient availability is optimal for robust growth. This pH range enhances nutrient uptake and improves overall plant health.

How to Fertilize Honeywort?

Fertilizer type: Balanced

For Cerinthe major, it's crucial to use a balanced approach to fertilization. Too little can stunt growth, while too much can cause leaf burn. A quarter to half strength of a balanced liquid fertilizer every watering cycle usually suffices. Always ensure any excess fertilizer dissolves completely, avoiding buildups that can harm the plant.

How to Prune Honeywort?

Pruning Time: Spring, Summer

Begin by removing any dead or damaged stems and leaves. Cut back to a healthy node to encourage new, vibrant growth. This not only enhances the plant's appearance but also helps in preventing diseases. Focus on shaping the plant by cutting back leggy or overly tall stems. Aim to maintain a balanced structure. Trim back to just above a leaf node where new leaves and flowers will emerge, ensuring a fuller and more aesthetically pleasing plant. More About Pruning Techniques→

How to Propagate Honeywort plant?

Propagate Time: Spring, Early spring

Before sowing, soak Cerinthe major seeds in water overnight. This helps soften the seed coat, promoting faster germination. Discard any floating seeds as they may not be viable.

Fill a seed tray with moistened potting soil and scatter the seeds on the surface. Cover them lightly with soil, approximately 1/8 inch deep. Maintain consistent moisture using a spray bottle to avoid disturbing the seeds.

Place the tray in a warm area with indirect sunlight. Maintain a temperature range of 65-75°F (18-24°C). Monitor moisture levels, ensuring the soil remains damp but not waterlogged during the germination period of 10-21 days.

More About Propagating Techniques→

How to Repot Honeywort plant?

Repotting frequency: Once every 2-3 years

Cerinthe major usually signals the need for repotting when it shows signs of outgrowing its container, such as roots protruding from the drainage holes or growth slowing considerably. The best time to repot is during its active growth period in spring or early summer when the plant can recover quickly.

Select a pot that is one or two sizes larger than the current one. Ensure it has adequate drainage holes to prevent waterlogging, which can harm the plant. A slightly larger pot supports better root development, preventing the plant from becoming root-bound.

Opt for a well-draining, nutrient-rich soil mix; a cactus or succulent blend is ideal. This ensures proper drainage and avoids the roots becoming waterlogged, promoting healthy root growth and vibrant foliage.