perennial

False Nasturtium

Senecio tropaeolifolius

The Story

Plant Bio

A succulent perennial from South Africa, forming a low-growing mound of fleshy, rounded, blue-green leaves. It is prized for its unique foliage that resembles nasturtium leaves and its long bloom season of bright yellow, daisy-like flowers.

The specific epithet 'tropaeolifolius' means 'nasturtium-leaved', perfectly describing its most distinctive feature. The succulent, peltate leaves are an unusual blue-green color, providing year-round interest. It is exceptionally drought-tolerant and excellent for water-wise gardens, rockeries, and containers.

Uses & Benefits:

Vivid yellow flowers add cheerful color to gardens and containers.

Drought-tolerant and low-maintenance, ideal for xeriscaping.

Provides nectar for pollinators like bees and butterflies.

Essentials

At a Glance

Plant Type

Perennial

Height

18 inches

Width

30 inches

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Moderate, drought tolerant once established

Humidity

Average

Lifespan

Perennial

Native To

South Africa

Toxicity

Yes

Planting

How to Grow

Tuck seeds into well-draining soil in spring
Water regularly until established, then drought tolerant
Provide full sun for optimal growth
Fertilize lightly in early spring
Prune after flowering to maintain shape
Mulch to retain moisture during dry periods

Pro Tip

Ensure excellent drainage and full sun for best results.

Keep It Thriving

Care Guide

Do

Water during prolonged dry spells 🌱
Prune to shape after flowering
Use well-draining soil

Don't

Overwater to prevent root rot ❌
Shade the plant from harsh afternoon sun
Forget to mulch in dry seasons

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Bright yellow border plantTropical-themed garden accentContainer centerpiece

Companion Plants

Lantana Salvia Gaura Agave Verbena

Multiply

Propagation Methods

Good to Know

Common Questions

False Nasturtium questions

What zones can False Nasturtium grow in?

False Nasturtium is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is False Nasturtium deer resistant?

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

When does False Nasturtium bloom?

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

Does False Nasturtium need full sun?

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

Is False Nasturtium drought tolerant?

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