How to Grow Princess Flower
Wikimedia Commons
Princess Flower
Tibouchina urvilleana
shrubPrincess Flower is a tropical to subtropical evergreen shrub known for its spectacular deep purple or violet flowers with prominent golden stamens. It grows as a tall, upright shrub with velvety green foliage and produces blooms prolifically during warm months. The plant is prized for ornamental use in gardens, containers, and as a specimen plant in mild climates.
When should you plant Princess Flower in your zone?
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Example Princess Flower timeline · Pittsburgh, PA (Zone 6b)
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Plant Princess Flower
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Princess Flower
Around Aug 15≈ 120 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Princess Flower dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-11; can be grown in containers in cooler zones and moved indoors during winter
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Get my Princess Flower timeline →Growth Stages
Establishment
4-8 weeksYoung plant develops a root system and establishes baseline growth with green foliage
Water regularly, avoid transplant shock by keeping consistently moist. Provide afternoon shade in hot climates during first season. Fertilize monthly with diluted balanced fertilizer.
Vegetative Growth
2-4 monthsShrub develops branching structure and dense foliage with velvety texture; no flowers yet
Prune young plants to encourage bushier growth. Remove weak or crossing branches. Feed with slow-release fertilizer every 6-8 weeks. Maintain consistent moisture.
Flowering
3-6 months (typically spring through fall, year-round in tropical regions)Produces abundant deep purple, violet, or occasionally pink flowers with golden stamens at branch tips; flowers are 2-3 inches across
Deadhead spent flowers to encourage continuous blooming. Maintain consistent watering and humidity. Provide balanced fertilizer weekly or every two weeks. Avoid heavy pruning during flowering.
Seed Formation & Dormancy
2-3 monthsFlowers fade and small seed pods develop. Growth slows in cooler months or winter; plant may drop some foliage
Reduce watering slightly. Avoid fertilizing. Remove seed pods if continuous flowering is desired. Prune back in late winter to rejuvenate plant. Protect from frost in zones 9b.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity and mist foliage frequently. Spray with water or insecticidal soap. Use neem oil if severe. Avoid hot, dry conditions.
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Inspect regularly and remove by hand or with soft brush. Apply horticultural oil or neem oil. Treat in early morning or late evening.
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Yellow sticky traps to monitor and catch adults. Spray with insecticidal soap or neem oil. Improve air circulation to prevent population buildup.
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Ensure good air circulation. Avoid wetting foliage at night. Apply sulfur dust or fungicide if needed. Remove affected leaves.
Uses
Garden Specimen & Landscaping
OrnamentalPrincess Flower is prized as an ornamental accent plant in tropical and subtropical gardens, providing dramatic purple blooms and velvety foliage. Excellent for creating focal points, hedges, and container displays in patios and entryways. [source]
Cut Flowers & Arrangements
HouseholdThe striking purple flowers are beautiful in fresh flower arrangements and floral designs, though blooms are short-lived (1-2 days in water). Popular with florists for tropical-themed arrangements. [source]
Traditional Medicine
MedicinalIn tropical regions, Tibouchina species have been used in folk medicine for various purposes, though scientific evidence is limited. The plant is studied for potential antioxidant and anti-inflammatory properties. [source]
Pollinator Attraction
WildlifeThe abundant flowers attract bees, butterflies, hummingbirds, and other pollinators, making it valuable for supporting local wildlife and creating a vibrant garden ecosystem. [source]
Dried Flowers & Pressed Botanicals
CraftFlowers can be pressed or dried for craft projects, botanical art, and herbarium specimens. The striking color and form make them attractive for decorative and artistic applications. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
This is an ornamental plant; no harvest of plant parts. Enjoy flowers fresh on the plant or cut for arrangements (blooms last 1-2 days in a vase). Collect seed pods if desired for propagation, but self-seeding may occur.
Fun Facts
- 🌱 Princess Flower is native to Brazil and belongs to the Melastomataceae family, which includes over 5,000 species of tropical plants known for stunning flowers.
- 🌱 The velvety texture of the foliage comes from tiny hairs on the leaf surface, which not only gives the plant its distinctive feel but also helps it reflect sunlight in tropical environments.
- 🌱 The flower's deep purple color is enhanced by anthocyanins, the same pigments responsible for colors in blueberries and red cabbage, and can deepen with more sunlight exposure.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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