Description
Clitoria ternatea ‘Double Pink’ is a rare and ornamental cultivar of the butterfly pea, distinguished by its fully double, soft pink flowers that resemble small roses. This twining perennial vine is native to tropical regions and is prized for its delicate yet abundant blooms and graceful climbing habit. The plant produces slender stems with pinnate leaves composed of small, oval leaflets, creating a light, airy foliage that complements its showy flowers.
This variety can reach 2 to 3 meters in length when supported, making it ideal for trellises, fences, or container growing with vertical structures. Unlike the more common blue-flowered forms, this pink double cultivar is grown primarily for ornamental purposes rather than for tea or dye. It flowers profusely in warm conditions, adding a soft, romantic color to gardens.
Clitoria ternatea thrives in full sun to partial shade and prefers well-drained soil with moderate fertility. It is drought tolerant once established but performs best with regular watering. As a legume, it also has the ability to fix nitrogen, benefiting the surrounding soil.
Germination Guide
🌍 Tropical Asia, Indian subcontinent, Southeast Asia
Difficult
Butterfly pea (Clitoria ternatea) is a tropical legume with striking blue flowers used as natural food colorant and in traditional medicine. Despite hardy features, it is notoriously difficult to germinate without proper seed treatment.
Germination
Germination time
Expect germination in
3 – 21 days
Temperature
Min 20°C
Ideal 21°C
Max 30°C
Substrate moisture
💧 Medium
Seed Pre-treatment
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💧
Soaking — 24 hours
Soak in warm water for 12-24 hours after scarification to soften seed coat and promote germination.
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🔨
Mechanical scarification
Seeds have a hard coat requiring scarification. Nicking with knife, razor blade, or sandpaper followed by 24-hour warm water soak achieves 80.95% germination rate.
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Additional notes
Freshly harvested seeds have dormancy issues. Storing seeds 6 months promotes germination in 15-20% of seeds. Chemical scarification (sulfuric acid) can achieve 100% germination.
Substrate & Container
Recommended substrate
Rockwool, well-draining potting soil, seed starting mix
Recommended container
6-inch pots or seed-beds
Growing Tips
Plant requires full sun and heat for best growth. Do not tolerate cold temperatures. Radicle emerges within 48-72 hours after proper treatment. Optimal germination at 21°C with scarified and soaked seeds in rockwool substrate. Plants produce flowers within 2 months and reach mature bush within 6 months.
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