Planta Livre
← Plant Library

Ruellia brittoniana · Acanthaceae

Mexican Petunia

✅ Pet-friendlyPerennial, remaining green throughout the year.30 to 90 cm
Full sunModerateEasyDoes not tolerate temperatures below 5 degrees Celsius.

Description & origin

The Mexican Petunia is a perennial plant known for its purple tubular flowers. It is ideal for gardens due to its rapid growth and resilience. Prefers full sun locations and moderate watering.

Size

Can reach up to 90 cm in height under ideal conditions.

Foliage

Evergreen foliage that remains green all year round.

Flowering

Blooms abundantly in spring and summer.

Detailed care

Light

Prefers full sun to bloom abundantly.

Soil

Well-drained soil rich in organic matter.

Watering

Moderate watering, keeping the soil slightly moist.

Temperature

Does not tolerate temperatures below 5 degrees Celsius.

Fertilising

Fertilize monthly during spring and summer.

Repotting

Transplant in spring when necessary.

Pruning

Prune after flowering to encourage new growth.

Propagation

Easily propagated by stem cuttings.

Common problems

Powdery Mildew

Fungus causing white spots on leaves.

Aphids

Insects that suck sap and weaken the plant.

Root Rot

Caused by excess water and poor drainage.

Uses & curiosities

In the garden

  • Attracts butterflies
  • Flower beds
  • Borders

Other uses

Ideal for low-maintenance gardens.

Did you know…

This plant is often used in landscaping for its ability to attract butterflies.