Tropical wild petunia (Ruellia brevifolia)

Tropical wild petunia

Also known as: Red-spray ruellia

Tropical wild petunia is often grown as a houseplant. In its native habitat, this plant grows under the canopy of tall trees, making it well adapted to indoor, low-light conditions. The small, delicate flowers are pretty and bloom often.

Scientific classification

Species

Tropical wild petunia (Ruellia brevifolia)

Mints plantains olives and allies

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Perennial, Annual

Lifespan

Herb

Plant Type

Spring, Late fall, Winter

Bloom Time

Red, White, Pink, Purple, Orange

Flower Color

Evergreen

Leaf type

20 - 38 ℃

Ideal Temperature

Images of Tropical wild petunia

Distribution of Tropical wild petunia

Distribution Map

[Ruellia brevifolia], native to South America, thrives in various regions within the continent, encompassing tropical and subtropical areas. Beyond its native range, tropical wild petunia has expanded its reach into parts of Asia, the Pacific Islands, and Africa. Additionally, it is cultivated in some regions where it does not occur naturally, suggesting a broader adaptation and popularity beyond its endemic zones.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Constructed, Industrial

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Tropical wild petunia

Every week

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Tropical wild petunia thrives in tropical conditions with high humidity and regular moisture. It prefers weekly watering for optimal health but can tolerate short dry spells. As an evergreen, it requires consistent hydration, particularly when grown indoors where environmental control is essential.

Fertilize: To ensure optimal growth of tropical wild petunia, fertilize bi-weekly during the growing season with balanced fertilizers, switching to high phosphorus types pre-blooming. Use half the recommended strength and reduce feeding in winter. Consistent fertilization enhances vigor and blooms while preventing root burn through thorough watering.

Pruning: Tropical wild petunia benefits from proper pruning to maintain shape and promote healthy growth. Key techniques involve removing damaged stems and thinning crowded areas. Prune in early spring to late winter for minimal stress, enhancing airflow, reducing disease risk, and encouraging prolific blooms.

Propagation: Tropical wild petunia propagation is achieved through cuttings. Choose healthy stems, cut cleanly, and plant in well-draining soil with adequate moisture. Using rooting hormone improves success. Maintain consistent watering until roots are strong, then continue routine care.

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