Verbena bonariensis
perennial RHS Award

Purpletop Vervain

Verbena bonariensis

$13.50
Expertly Curated
Real-Time Pricing
Loved by Designers

Essentials

At a Glance

Plant Type

Perennial

Height

48 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Tender perennial

Native To

South America

Toxicity

Non-toxic

The Story

Plant Bio

A tall, tender perennial with a sparse, see-through habit. It has square, branching stems and bears dense clusters of small, lavender to purple flowers on tall, slender stalks. Known for attracting numerous butterflies and a long blooming period.

Uses & Benefits:

Ornamental UsesVerbena bonariensis adds vertical interest with its tall, airy flower clusters, attracting pollinators and providing a graceful backdrop.
Practical UsesIts drought tolerance makes it suitable for low-maintenance gardens.
Ecological BenefitsSupports bees, butterflies, and hummingbirds, enhancing garden biodiversity.

Marketplace

Where to Buy

Dancing Oaks
Ships Year Round
<1 Gal Pot
In Stock$13.50
<1 Gal Pot
In Stock$13.95
<1 Gal Pot1+ Gal Pot
In Stock$20.00
In Stock$26.95

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

  1. Tuck seeds into well-draining soil in early spring for best germination.
  2. Mist cuttings regularly to maintain humidity and promote root growth.
  3. Transplant seedlings when they are 3-4 inches tall into sunny spots.
  4. Water deeply once a week during dry periods, especially in summer.
  5. Fertilize with a balanced liquid fertilizer monthly during the growing season.
  6. Divide clumps every 2-3 years in early spring to maintain vigor.

Pro Tip

Plant in full sun and ensure good air circulation to prevent powdery mildew.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist but not soggy 🌱
  • Prune after flowering to encourage bushier growth
  • Use organic mulch to retain soil moisture

Don't

  • Avoid overwatering which can cause root rot ❌
  • Don't forget to deadhead spent flowers for continuous blooms
  • Refrain from planting in shady areas, as Verbena bonariensis thrives in full sun

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Prune
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Airy backdrop in perennial bordersSilver-foliaged hedge for textureVanilla-scented border for sensory appeal

Companion Plants

Echinacea purpurea Salvia nemorosa Rudbeckia hirta Gaura lindheimeri

Multiply

Propagation Methods

Good to Know

Common Questions

Purpletop Vervain questions

What zones can Purpletop Vervain grow in?

Purpletop Vervain is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Purpletop Vervain deer resistant?

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

When does Purpletop Vervain bloom?

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

Does Purpletop Vervain need full sun?

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

Is Purpletop Vervain drought tolerant?

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

Keep exploring

Grow Purpletop Vervain 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.

Download Sow on the App StoreGet Sow on Google Play