Species

Veronicastrum virginicumCulver's root

4 other cultivars

perennial RHS AwardN. America Native

Lavender Tower Culver's Root

Veronicastrum virginicum 'Lavendelturm'

The Story

Plant Bio

A tall perennial with spiky lavender flowers that bloom in mid-summer.

The cultivar 'Lavendelturm' is noted for its particularly dense flower spikes and vibrant lavender color.

Uses & Benefits:

Veronicastrum virginicum Lavendelturm adds vertical interest with its tall, lavender spikes, attracting pollinators and enhancing garden aesthetics.

Its sturdy stems provide cut flowers that last long, making it ideal for floral arrangements.

Supports pollinators like bees and butterflies, contributing to a healthy garden ecosystem.

SpeciesVeronicastrum virginicumCulver's root

Essentials

At a Glance

Plant Type

Perennial

Height

60 inches

Width

36 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic to humans and pets

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Select a sunny location with well-draining soil for planting.
Tuck seeds or cuttings into moist soil, spacing 12-18 inches apart.
Water regularly to keep soil evenly moist during establishment.
Fertilize with a balanced fertilizer in early spring and mid-summer.
Apply mulch around the base to retain moisture and suppress weeds.
Prune after flowering to maintain shape and promote bushiness.

Pro Tip

Divide mature clumps every 3-4 years in early spring for vigorous growth.

Keep It Thriving

Care Guide

Do

Water consistently during dry spells 🌱
Prune after flowering to encourage new growth
Mulch annually to conserve moisture and regulate soil temperature

Don't

Overwater, which can lead to root rot ❌
Allow soil to dry out completely between watering
Neglect pruning, which can reduce flowering

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Tall perennial borderWildflower meadow accentButterfly-friendly garden

Companion Plants

Echinacea Rudbeckia Salvia Monarda Gaillardia

Multiply

Propagation Methods

Good to Know

Common Questions

Lavender Tower Culver's Root questions

What zones can Lavender Tower Culver's Root grow in?

Lavender Tower Culver's Root 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 Lavender Tower Culver's Root deer resistant?

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

When does Lavender Tower Culver's Root bloom?

Lavender Tower Culver's Root 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 Lavender Tower Culver's Root need full sun?

Lavender Tower Culver's Root does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.