perennial

Blue Sky Skullcap

Scutellaria montana 'Blue Sky'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8

Water

Moderate, drought tolerant once established

Humidity

Average

Lifespan

Perennial

Native To

Southeastern United States

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Scutellaria montana 'Blue Sky' is a perennial herbaceous plant with upright growth, featuring square stems, and vibrant blue, bell-shaped flowers that bloom in dense spikes, complemented by ovate, green leaves. This cultivar is distinguished by its particularly striking bright blue flowers and its adaptability to a variety of garden conditions, making it a popular choice for borders and woodland gardens.

Bloom Period:

EarlyLate

Uses & Benefits:

Vivid blue flowers add color and attract pollinators, enhancing garden biodiversity.

Drought tolerant and low-maintenance, suitable for water-wise gardens.

Supports bees and butterflies, promoting ecological health.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck seeds or cuttings into well-draining soil in spring
Water regularly until established, about 6 weeks
Place in a sunny location for best flowering
Fertilize lightly in early spring with balanced fertilizer
Prune back after flowering to encourage bushiness
Mulch around the base to retain moisture

Pro Tip

Ensure good drainage to prevent root rot and promote healthy growth

Keep It Thriving

Care Guide

Do

Water moderately during dry periods 🌱
Deadhead spent flowers to encourage continuous blooming
Mulch to conserve moisture and suppress weeds

Don't

Overwater, which can cause root rot ❌
Avoid heavy soil that retains water
Don’t fertilize excessively, as it can reduce flowering

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Wildflower border with vibrant blue flowersDrought-tolerant rock garden accentPerennial bed filler with visual interest

Companion Plants

Sedum Echinacea Lavender Coreopsis Gaillardia

Multiply

Propagation Methods

Good to Know

Common Questions

Blue Sky Skullcap questions

What zones can Blue Sky Skullcap grow in?

Blue Sky Skullcap is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Blue Sky Skullcap deer resistant?

Yes — Blue Sky Skullcap is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Blue Sky Skullcap bloom?

Blue Sky Skullcap typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Blue Sky Skullcap need full sun?

Blue Sky Skullcap does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Blue Sky Skullcap drought tolerant?

Yes — once established (usually after the first full season), Blue Sky Skullcap handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.