Mexican Petunia

SKU: 2012

Mexican Petunia is a hardy, fast-growing perennial with trumpet-shaped purple blooms. Ideal for sunny borders, mass plantings, and low-maintenance landscapes.

Product Category

Mexican Petunia

Ruella brittoniana

Mexican Petunia is a tough and adaptable perennial known for its long-lasting display of trumpet-shaped flowers in shades of purple, pink, or white. Blooming continuously from spring through fall, it adds reliable color to garden beds, borders, and mass plantings. Its narrow, upright foliage gives it a grass-like appearance, making it an excellent accent plant or filler in mixed landscapes. Mexican Petunia thrives in heat and humidity, performing well in areas where many flowering plants struggle.

Highly valued for its resilience, Mexican Petunia requires minimal care once established and tolerates drought, poor soils, and occasional flooding. It is often used in commercial landscapes and roadside plantings due to its durability and fast growth. The blooms attract butterflies and pollinators, adding ecological value to its ornamental appeal. With its bold color, extended bloom time, and low-maintenance nature, Mexican Petunia is a dependable choice for gardeners seeking consistent performance with little effort.

Care Instructions:

Planting: Plant in full sun to partial shade. Space plants 45–60 cm apart to allow spreading.

Watering: Water regularly during establishment. Mature plants tolerate drought but perform best with moderate moisture.

Pruning: Cut back periodically to control size and encourage fresh growth and blooming.

Pest Control: Generally pest-resistant. Watch for aphids or spider mites and treat if necessary.

Soil Tips: Adaptable to many soil types, including sandy or clay soils. Performs best in well-draining soil.

Plant TypePerennials, Aquatic Plants
Hardiness Zone(s)8, 9, 10
ExposureFull Sun, Partial Sun
Season of InterestMid Summer, Late Summer, Fall
Plant Height2' - 4' (ft)
Plant Spread1' - 2' (ft)
Spacing18" - 24" (in)
Water NeedsLow, High, Average
Maintenance LevelLow
Soil TypeChalk, Clay, Loam, Sand
Soil PHAcidic, Alkaline, Neutral
Soil DrainagePoorly Drained, Moist but Well Drained, Moisture Retentive, Well-Drained
Bloom ColorPurple
Foliage ColorGreen
CharacteristicsShowy
TolerancesDeer, Drought, Wet Soil
AttractsBees, Butterflies
Garden UsesPatio and Containers, Ground Covers, Ponds and Streams, Water Gardens

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