perennial

Smooth Foxglove

Digitalis laevigata

The Story

Plant Bio

Digitalis laevigata, commonly known as smooth foxglove, is a biennial plant characterized by its tall spikes of tubular flowers.

This species is noted for its smooth foliage and is less invasive compared to some other foxglove species.

Uses & Benefits:

Ornamental UsesTall spikes of bell-shaped flowers add vertical interest to shaded gardens.
Practical UsesAttracts pollinators like hummingbirds and bees, supporting local ecology.
Ecological BenefitsProvides habitat for beneficial insects and enhances biodiversity.

Essentials

At a Glance

Plant Type

Perennial

Height

36 inches

Width

12 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Moderate

Lifespan

Perennial

Native To

Balkans

Toxicity

High

Bloom period

Early summer

J
F
M
A
M
J
J
A
S
O
N
D

In flower about 1 month of the year

Planting

How to Grow

  1. Tuck seeds into well-draining soil in early spring.
  2. Mist cuttings regularly to maintain humidity and root in 6 weeks.
  3. Provide partial shade to protect from harsh afternoon sun.
  4. Water consistently, keeping soil moist but not waterlogged.
  5. Fertilize with a balanced, slow-release fertilizer in spring.
  6. Mulch around the base to retain moisture and suppress weeds.

Pro Tip

Use a seed-starting mix for better germination and ensure good air circulation.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist 🌱
  • Deadhead spent flowers to encourage reblooming
  • Apply a balanced fertilizer in spring

Don't

  • Avoid overwatering to prevent root rot ❌
  • Do not expose to harsh midday sun in hot climates
  • Refrain from heavy pruning during dormancy

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Propagate
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vertical garden with tall, elegant spikesShaded border with soft foliageWildflower meadow for naturalistic appeal

Companion Plants

Multiply

Propagation Methods

Good to Know

Common Questions

Smooth Foxglove questions

What zones can Smooth Foxglove grow in?

Smooth Foxglove is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Smooth Foxglove deer resistant?

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

When does Smooth Foxglove bloom?

Smooth Foxglove typically blooms in early summer through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Smooth Foxglove need full sun?

Smooth Foxglove does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Keep exploring

Grow Smooth Foxglove with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.