Botanical profile

Scutellaria

Latin name
Skullcap
Common name
Scutellaria
Type
Medicinal perennial plant
Family
Lamiaceae

Skullcap is a medicinal and ornamental perennial plant prized for its natural habit, delicate green foliage, and light blooms, often blue, mauve, or purplish depending on the variety. It fits very well into medicinal plant gardens, naturalized beds, perennial borders, and pollinator-friendly designs. Its soft, rustic look adds texture, color, and a botanical touch to sunny or lightly shaded areas.

Easy to grow, skullcap generally prefers a location in gentle sun or partial shade, in cool, fertile, well-drained soil. It appreciates regular moisture, especially during hot periods, but should not be planted in waterlogged soil. Once established, it forms an elegant and discreet clump, perfect for accompanying herbs, melliferous perennials, light grasses, and natural garden plants.

Traditionally recognized as a medicinal plant, skullcap is also very interesting for enriching garden biodiversity thanks to its flowers, which are popular with pollinating insects. It is well suited for gardeners looking for a useful, hardy, and less common plant to integrate into a medicinal garden or a natural design. It is an ideal perennial for adding a delicate, floriferous, and characterful presence to flowerbeds and herb corners.

Care guide

Care level
Easy

Choosing this plant

Main benefit
Delicate blue blossoms and perennial medicinal plant for cool soil
Medicinal garden, fresh border, natural garden, partial shade, light wet area
Container growing
Container growing possible in a well-drained pot
Seasonal care
Cut back dead stems in autumn or spring; water during dry spells; divide clumps as needed
Growing conditions

Light, soil, water and hardiness

Hardiness zone
Zone 4
Exposure
Full to partial sun
Watering
Regular; keep the soil moist without making it soggy
Humidity
Average to high humidity; prefers cool soil
Fertilization
Light compost in spring; moderate fertilization in poor soil
Soil type
Fertile, humus-rich soil, cool to moist and well-drained
Soil pH
Slightly acidic to neutral
Minimum temperature
-30°C
Propagation method
Sowing, division, or cuttings
Plant appearance

Blooming, foliage and shape

Blooming period
Summer
Flower color
Purplish blue
Fruiting
Late-season seeds
Foliage color
Green
Foliage type
Obsolete
Shape
Habit erect to slightly spreading
Garden structure

Size and growth

Height
30 to 60 cm (12 to 24 inches)
Width
30 to 45 cm (12 to 18 inches)
Growth rate
Average growth
Vegetable garden and yield

Companion planting, spacing and harvest

Companion plants
Lemon balm, mint, bee balm, ferns
Spacing
30 to 45 cm (12 to 18 inches)
Harvest period
Aerial parts in summer
Not recommended for pets
Not recommended for pets

Pets

The availability of our plants varies depending on arrivals, seasons, nursery production and supplier availability. Some varieties may be offered for a limited time only, depending on their natural cycle or current stock. These plant profiles are designed to guide and inspire you when choosing plants for the garden, landscaping projects, containers or long-lasting outdoor arrangements.