Taiwan Rainbow Waltz Hibiscus Seeds - Hibiscus Rosa, 30 seeds

Quantity: 30 Seeds / pack

Taiwan Rainbow Waltz is a tropical hibiscus (Hibiscus rosa-sinensis) type bred for large, showy blooms in a rainbow of bright colors on a glossy evergreen shrub. It grows 4–8 feet in warm climates (smaller in pots) and flowers for months when it has heat and sun. Note: flowers grown from seed can vary in color and form.

Why choose our seeds?

• Large, flamboyant blooms in an exciting range of colors
• Evergreen shrub habit for patios, poolside pots, and tropical-style gardens
• Long flowering season in warm weather; container-friendly in cooler climates

How to grow Taiwan Rainbow Waltz Hibiscus seeds

Choose Your Planting Method

• Indoors: Start 8–12 weeks before the last frost — this is the reliable way in most climates.
• Outdoors: Sow directly only where nights stay warm and frost is long past.

Prepare Your Materials

• Seed-starting trays or pots (if indoors)
• Well-draining potting mix
• Humidity dome or plastic wrap
• Spray bottle for misting
• Fine sandpaper or a nail file

Sowing the Seeds

• Nick the hard seed coat lightly with sandpaper, then soak seeds in warm water for 12–24 hours.
• Sow about 1/2 inch deep in moist seed-starting mix.

Provide the Right Conditions

• Light: Bright, indirect light; move to full sun gradually after sprouting.
• Temperature: 75–85°F (24–29°C) for the best germination.
• Humidity: Cover with a dome or wrap to keep the mix evenly moist.

Germination

• Seeds typically sprout in 2–4 weeks — be patient and keep the soil consistently moist, never waterlogged.
• Remove the cover once seedlings emerge.

Transplanting

• Pot on seedlings when they have 2–3 sets of true leaves.
• Move outdoors only after all frost danger has passed and nights are warm.
• Space 2–3 feet apart in the ground, or grow one per large container.

Care Tips

• Sun: Full sun to part shade; more sun means more flowers.
• Water: Keep soil evenly moist but not soggy; container plants dry out faster.
• Fertilizer: Feed with a balanced fertilizer through the growing season.
• In zones below 9, bring plants indoors before the first frost; prune in spring to keep plants compact.

Bloom Time:

Spring through fall in warm conditions; plants bloom more heavily with heat and full sun.