Merremia Tuberosa Seeds – Hawaiian Woodrose

Merremia Tuberosa, commonly known as the Hawaiian Woodrose, is a vigorous perennial vine admired for its lush green foliage and distinctive seed pods. This tropical climber produces elegant yellow blooms that open in the daytime and close by evening, adding a unique charm to gardens, fences, and trellises. Its fast-growing nature and tolerance to warm climates make it a popular choice for ornamental landscaping.

Features:

• Vigorous, fast-growing tropical vine with heart-shaped leaves

• Produces bright yellow, trumpet-shaped flowers

• Ideal for trellises, fences, or pergolas

• Drought-tolerant once established

• Suitable for ornamental and decorative garden use

Specifications:

• Scientific Name: Merremia Tuberosa

• Common Name (US): Hawaiian Woodrose

• Plant Type: Perennial vine

• Growth Habit: Climbing or trailing

• Height: Up to 20–30 feet under ideal conditions

• Flower Color: Yellow

• Light Requirement: Full sun to partial shade

• Soil Type: Well-drained, moderately fertile soil

• Water Requirement: Moderate; allow soil to dry slightly between watering

• Germination Time: 15–25 days

• Germination Temperature: 70–80°F (21–27°C)

• Bloom Season: Late spring to early fall

• USDA Hardiness Zones: 9–11

• Planting Season:

  • Zones 9–11: Spring to early summer (March–July)

  • Cooler Zones (as annual): After last frost (April–June)

• Propagation Method: Seed

• Maintenance Level: Low

Planting Instructions:

1. Soak seeds in warm water for 24 hours before planting.

2. Sow seeds about 1/4 inch deep in well-draining soil.

3. Place in a warm, sunny location for best growth.

4. Water regularly but avoid overwatering.

5. Provide climbing support such as a trellis or fence.