perennial

Monstrosa Foxglove

Digitalis purpurea 'Monstrosa'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

48 inches

Width

18 inches

Light

Full Sun, Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Moderate

Lifespan

Biennial

Native To

Europe, western Asia, northwestern Africa

Toxicity

All parts are highly toxic if ingested

The Story

Plant Bio

A biennial or short-lived perennial featuring tall, one-sided spires of bell-shaped flowers. The 'Monstrosa' form is noted for its unique, large, open-faced terminal flower at the top of the spike. This form is distinguished by its large, cup-shaped terminal flower, which is a fusion of several blooms, creating a 'monstrous' and showy display.

Bloom Period:

EarlyLate

Uses & Benefits:

Digitalis purpurea Monstrosa creates striking vertical accents with its tall, purple flower spikes, ideal for borders and cottage gardens.

Its nectar-rich flowers attract pollinators like bees and hummingbirds, supporting local ecological health.

Provides habitat and food for beneficial insects, contributing to biodiversity.

Marketplace

Where to Buy

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Planting

How to Grow

Tuck seeds into moist soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and root in 4-6 weeks.
Plant in well-drained soil with partial shade for optimal growth.
Water consistently, especially during dry spells, to keep soil moist.
Apply a balanced fertilizer every 4-6 weeks during the growing season.
Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Sow seeds directly in fall for early spring blooms or start indoors 6 weeks before last frost.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist but not waterlogged 🌱
Prune after flowering to encourage new growth
Use organic compost to improve soil health

Don't

Avoid overwatering to prevent root rot ❌
Don’t plant in heavy, poorly-drained clay soil
Refrain from fertilizing in late fall

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vertical garden with tall, purple spikesWildflower meadow border with striking color contrast

Companion Plants

Lavender Salvia Echinacea Coreopsis

Multiply

Propagation Methods

Good to Know

Common Questions

Monstrosa Foxglove questions

What zones can Monstrosa Foxglove grow in?

Monstrosa Foxglove is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Monstrosa Foxglove deer resistant?

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

When does Monstrosa Foxglove bloom?

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

Does Monstrosa Foxglove need full sun?

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