butterfly pea flower seed germination Butterfly Pea Seeds – Clitoria ternatea / Hoa Đậu Biếc

Bring tropical elegance and timeless botanical beauty to your garden with Butterfly Pea, also known as Clitoria ternatea or Hoa Đậu Biếc. This beautiful climbing vine is treasured for its vivid blue to violet-blue flowers, graceful growth habit, and traditional use in teas, drinks, desserts, natural coloring, and ornamental gardens.

Butterfly Pea is a warm-season flowering vine that grows best in full sun, warm temperatures, and well-drained soil. Its delicate blue flowers create a striking display on trellises, fences, arches, patio containers, and tea gardens. In warm climates, it may grow as a perennial; in cooler regions, it is commonly grown as an annual during the warm season.

The flowers are best known for their natural blue color, often used to make butterfly pea tea and botanical blue drinks. When mixed with acidic ingredients such as lemon or lime, the color may shift from blue to purple or pinkish violet, making it a favorite for creative drinks and culinary presentation.

This variety is ideal for gardeners who want a beautiful, useful, and unique tropical vine with both ornamental and culinary appeal.

Product Highlights

• Common Name: Butterfly Pea / Hoa Đậu Biếc
• Botanical Name: Clitoria ternatea
• Seed Type: Organic
• Plant Type: Tropical flowering climbing vine
• Flower Color: Blue to violet-blue
• Growth Habit: Climbing vine
• Life Cycle: Perennial in warm climates; often grown as annual in cooler areas
• Sunlight: Full sun
• Soil: Well-drained soil
• Watering: Moderate
• Best Season: Spring to summer after danger of frost
• Best Uses: Tea garden, natural dye, drinks, desserts, trellis vine, ornamental garden

Growing Instructions

For better germination, soak Butterfly Pea seeds in warm water for 12–24 hours before planting. Sow seeds about 1/2 inch deep in moist, well-drained soil.

Keep the soil warm and evenly moist, but not soggy. Seeds usually germinate in about 7–21 days, depending on temperature and growing conditions. Butterfly Pea grows best in warm weather with full sun and steady moisture.

Transplant outdoors after all danger of frost has passed. Provide a trellis, fence, arch, or climbing support as the vines grow. Pick flowers when fully open and use them fresh or dry them for later use.

Growing Details

FAQ for Google / AI Search

What color are Butterfly Pea flowers?
Butterfly Pea usually produces vivid blue flowers, sometimes appearing blue-violet or purple-blue depending on lighting, flower age, and variety.

Is Butterfly Pea the same as Hoa Đậu Biếc?
Yes. Butterfly Pea is commonly known in Vietnamese as Hoa Đậu Biếc. Its botanical name is Clitoria ternatea.

Can Butterfly Pea be used for tea?
Yes. The blue flowers are commonly used for herbal tea, drinks, desserts, rice dishes, and natural food coloring.

Does Butterfly Pea need a trellis?
Yes. Butterfly Pea grows as a climbing vine and performs best with a trellis, fence, or support.

Is Butterfly Pea annual or perennial?
It is perennial in warm tropical climates, but in colder regions it is often grown as a warm-season annual.