How to Grow Clitoria
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Clitoria
Clitoria ternatea
vineClitoria ternatea, commonly known as butterfly pea or blue pea vine, is a tropical climbing plant prized for its striking bright blue flowers and ornamental foliage. It produces delicate, winged flowers that bloom prolifically throughout the growing season and can reach heights of 6-10 feet with proper support. The plant is used both decoratively and traditionally in herbal preparations across Southeast Asia.
When should you plant Clitoria in your zone?
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Example Clitoria timeline · Pittsburgh, PA (Zone 6b)
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Plant Clitoria
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 Clitoria
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Clitoria dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 10-11; can be grown as an annual in cooler zones or in containers brought indoors
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Get my Clitoria timeline →Growth Stages
Seedling
2-3 weeksSmall emerging shoots with cotyledons and first true leaves developing
Keep soil warm (70-75°F) and consistently moist. Thin seedlings to proper spacing once 2-3 inches tall.
Vegetative Growth
3-6 weeksVine develops climbing stems with compound leaves; plant grows vigorously upward and outward
Install trellis or support structure. Provide gentle guidance to climb. Water regularly. Light fertilization every 3-4 weeks with balanced fertilizer.
Flowering
3-6 months (throughout warm season)Abundant bright blue, winged flowers appear at leaf axils. Flowers open in morning and close by afternoon.
Continue regular watering and light feeding. Remove spent flowers to encourage more blooms. Provide adequate sunlight for continuous flowering.
Pod Development
4-6 weeksAfter pollination, flat seed pods form and mature from green to brown/tan color
Allow pods to dry on plant for seed collection. Reduce watering slightly. Pods mature in 4-6 weeks.
Seed Maturity & Dormancy
Dormancy 2-4 months in cooler zonesPods fully brown and dry; seeds inside harden. In tropical zones, plant may flower year-round; in cooler climates, plant enters dormancy
Harvest pods for seeds before they drop. In cool zones, bring containers indoors or treat as annual. Can prune back hard to rejuvenate.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use miticide if severe. Maintain adequate humidity. Remove heavily infested leaves.
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Yellow sticky traps. Insecticidal soap or neem oil spray. Encourage natural predators.
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Spray with strong water stream; neem oil or insecticidal soap. Ladybugs are effective natural control.
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Remove with cotton swab dipped in rubbing alcohol. Neem oil spray. Prune affected stems.
Uses
Butterfly Pea Flower Tea & Beverages
CulinaryThe vibrant blue flowers brew into a stunning herbal tea with a mild, earthy flavor. The natural anthocyanin pigments create color-changing drinks when mixed with acids like lemon juice, shifting from blue to purple or pink. [source]
Traditional Herbal Medicine
MedicinalIn Ayurvedic and Southeast Asian traditional medicine, butterfly pea vine is used to support cognitive function, boost circulation, and promote skin health. The plant contains flavonoids and antioxidants believed to have neuroprotective properties. [source]
Natural Food Coloring
HouseholdThe petals provide a natural blue dye for food and beverages without artificial colorants. The color is food-safe and shifts based on pH, making it useful for creating gradient effects in drinks and desserts. [source]
Garden Trellis & Arbor Decoration
OrnamentalThe delicate, prolific blue flowers and elegant foliage make this vine an excellent choice for covering pergolas, arbors, fences, and trellises throughout the tropical and warm-temperate growing season. [source]
Pollinator Attraction
WildlifeButterfly pea flowers attract bees, butterflies, and other pollinators with their nectar and pollen, making the plant valuable for supporting pollinator populations in gardens. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Flowers are best harvested in early morning when fully open and fresh. For culinary use (tea, beverages), pick flowers just after opening. For seeds, allow pods to dry completely on the vine, then harvest brown pods. Store dried seeds in cool, dry conditions for up to 2 years.
Fun Facts
- 🌱 The flowers are nyctinastic, meaning they open in the morning and close by afternoon, even if the day remains sunny.
- 🌱 In traditional Ayurvedic medicine, clitoria is called 'Aparajita' (meaning 'undefeated') and is said to enhance memory and concentration.
- 🌱 The natural blue pigment from butterfly pea flowers is used in high-end molecular gastronomy and luxury beverage companies for its stunning color-changing properties when combined with acids.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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