perennial

Sandpaper Verbena

The Story

Plant Bio

Verbena rigida, the sandpaper verbena, is a low-growing, rhizomatous perennial native to South America that spreads underground to form a dense, rough-textured ground cover. The stiff, upright stems bear dark green, lanceolate leaves with a sandpapery texture and sharply toothed margins, topped by tight, rounded clusters of vivid purple flowers from spring through fall.

This species is distinguished by its highly rough, sessile foliage and its tuberous root system, which allows it to survive prolonged dry spells and regenerate quickly after hard frosts. The intense magenta-purple blooms are highly attractive to butterflies and hummingbirds, remaining vibrant even in intense summer heat.

Uses & Benefits:

Provides a long-lasting display of vivid purple flower clusters on stiff, upright stems that do not require staking.

Functions as an effective, drought-tolerant ground cover that binds loose, sandy soils with its spreading rhizomes.

Serves as an excellent nectar source for butterflies, bumblebees, and hummingbirds throughout the growing season.

Essentials

At a Glance

Plant Type

Perennial

Height

24"

Width

48"

Light

Full Sun, Partial Sun

Zones

7, 8, 9, 10

Water

Low to moderate

Humidity

Moderate to high

Lifespan

Perennial

Native To

South America

Toxicity

Non-toxic (may cause minor skin irritation)

Bloom period

Spring – Fall

In flower about 9 months of the year

Planting

How to Grow

Select a planting site in full sun with highly permeable, well-drained soil.
Dig a hole twice the width of the root ball and set the plant at its original container depth.
Water thoroughly at planting to settle the soil around the rhizomes.
Apply a thin layer of mulch to suppress weeds while the underground tubers establish and spread.

Pro Tip

Cut the entire plant back to ground level in early spring; this removes old, woody stems and stimulates a clean flush of vigorous, upright flowering growth.

Keep It Thriving

Care Guide

Do

Prune stems back hard in early spring to encourage fresh, compact growth.
Ensure the planting site has excellent drainage to prevent winter root rot.
Water deeply but infrequently once the root system is established.

Don't

Do not over-fertilize, as excess nutrients cause weak, floppy stems that lose their upright habit.
Do not plant in heavy, poorly drained clay soils that retain stagnant moisture.
Do not overwater during the winter months when the plant is semi-dormant.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pest Check
Propagate
Prune
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

GroundcoverRock gardensBorder frontsXeriscapesButterfly gardens

Companion Plants

Salvia greggii Nassella tenuissima Echinacea purpurea

Multiply

Propagation Methods

Good to Know

Common Questions

Sandpaper Verbena questions

What zones can Sandpaper Verbena grow in?

Sandpaper Verbena 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 Sandpaper Verbena deer resistant?

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

When does Sandpaper Verbena bloom?

Sandpaper Verbena typically blooms in spring through fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Sandpaper Verbena need full sun?

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

Is Sandpaper Verbena drought tolerant?

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