Baja ruellia shrub with small blue-green leaves and purple funnel-shaped flowers in a desert bed

Baja Ruellia

Ruellia peninsularis
Categories:
Shrubs  ·  
Desert Shrubs
Light
Full sun
Water
Low water once established; water deeply, then let soil dry between irrigations. Occasional supplemental summer watering supports fuller growth and more flowers.
Size
3-4 ft tall × 3-5 ft wide
Habit
Rounded shrub
Toxicity
Non-toxic
Description
A heat-loving shrub native to Baja California, with small green leaves and lavender-purple flowers; well suited to Phoenix desert landscapes.
Bloom Time
Spring through fall
Deciduous / Evergreen
Semi-evergreen
Special Features
Attracts Bees / Pollinators, Attracts Butterflies, Attracts Hummingbirds, Drought Tolerant, Low Maintenance
Growth Rate
Moderate to fast
Growth Habit
Rounded shrub
Mature Size
3-4 ft tall × 3-5 ft wide
Flower Color
Purple
Foliage Color
Blue-green
Landscape Use
Border / Bed, Container / Patio, Desert / Xeriscape, Foundation Planting, Hedge / Screen, Pollinator / Wildlife Garden
Garden Style
Container / Patio, Desert / Xeriscape, Hedge / Formal, Pollinator / Wildlife
Soil
Alkaline Tolerant, Sandy / Rocky, Well-Drained
Companion Plants
Autumn sage, Desert marigold, Fairy duster, Golden barrel cactus, Red yucca
Non-toxic
Non-toxic
Care Instructions

Light: Full sun to light shade; tolerates reflected heat, though light afternoon shade can help in especially hot locations.

Water: Low water once established; water deeply, then let soil dry between irrigations. Occasional supplemental summer watering supports fuller growth and more flowers.

Soil: Well-drained sandy, gravelly, or loamy soil; tolerates alkaline desert soils but dislikes persistently wet roots.

Mature size: 3–5 feet tall and 4–5 feet wide.

Bloom: Primarily spring through fall, with intermittent flowering during warm winter weather.

Evergreen / deciduous: Evergreen in mild winters; may lose leaves or suffer stem dieback during freezing weather.

Growth rate: Moderate to fast with supplemental irrigation.