shrub

Porcupine Tomato

Solanum pyracanthum

The Story

Plant Bio

This species is known for its spiky appearance and unique foliage.

It produces striking yellow flowers and has a distinctive thorny stem.

Uses & Benefits:

Its striking spiky appearance adds visual interest and texture to gardens.

Provides a natural barrier due to its thorny stems.

Supports local wildlife by offering habitat and nectar for pollinators.

Essentials

At a Glance

Plant Type

Shrub

Height

36 inches

Width

24 inches

Light

Full Sun

Zones

8, 9, 10

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Madagascar

Toxicity

All parts are poisonous if ingested

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Tuck seeds into well-draining soil in early spring.
Mist cuttings regularly to maintain humidity and promote root growth.
Water deeply once a week during dry periods for healthy development.
Apply a balanced fertilizer every 4–6 weeks during the growing season.
Prune to remove dead or damaged branches in late winter.
Mulch around the base to retain moisture and suppress weeds.

Pro Tip

Use well-draining soil and avoid overwatering to prevent root rot.

Keep It Thriving

Care Guide

Do

Water when the top inch of soil feels dry 🌱
Prune to shape and remove dead branches
Apply organic compost in spring

Don't

Overwater to avoid root rot ❌
Plant in heavy clay soil without amendments ❌
Neglect pruning or pest control ❌

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pest Check
Plant
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Spiky accent plant in xeriscapesBold border with textured foliageWildlife-friendly thorny shrub

Companion Plants

Lavender Rosemary Agave Yucca Sedum

Multiply

Propagation Methods

Good to Know

Common Questions

Porcupine Tomato questions

What zones can Porcupine Tomato grow in?

Porcupine Tomato is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Porcupine Tomato deer resistant?

Not reliably. Deer may browse Porcupine Tomato, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Porcupine Tomato bloom?

Porcupine Tomato 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 Porcupine Tomato need full sun?

Porcupine Tomato does best in full sun (6+ hours).

Is Porcupine Tomato drought tolerant?

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