The Story
Plant Bio
Gynura bicolor is a perennial herb known for its edible, bicolored foliage with deep purple undersides and green upper surfaces. It produces small, orange-yellow flowers.
This species is valued both for its ornamental, colorful foliage and as an edible vegetable, commonly known as Okinawa Spinach.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
18 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
10
Water
Consistently moist
Humidity
Average garden humidity
Lifespan
Perennial
Native To
Southeast Asia
Toxicity
Non-toxic, edible leaves
Planting
How to Grow
- Tuck cuttings into moist soil in spring.
- Mist cuttings daily for 2 weeks until roots develop.
- Plant in well-drained soil with full sun exposure.
- Water regularly during dry periods, avoiding overwatering.
- Fertilize monthly during growing season for best foliage.
- Pinch back to encourage bushy growth after 6 weeks.
Pro Tip
Use bright indirect light for optimal leaf coloration and growth.
Keep It Thriving
Care Guide
Do
- Water when topsoil feels dry 🌱
- Fertilize monthly during active growth
- Pinch back to promote bushiness
Don't
- Avoid overwatering to prevent root rot ❌
- Do not expose to frost
- Avoid heavy shade which reduces vibrancy
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| Pinch | ||||||||||||
| Plant | ||||||||||||
| Propagate | ||||||||||||
| Winter Prep |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Okinawa Spinach questions
What zones can Okinawa Spinach grow in?
Okinawa Spinach is hardy in USDA Zone 10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Okinawa Spinach deer resistant?
Not reliably. Deer may browse Okinawa Spinach, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Okinawa Spinach bloom?
Okinawa Spinach typically blooms in varies through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Okinawa Spinach need full sun?
Okinawa Spinach does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Keep exploring
Explore the genus
Hardy in your zone?
Grow Okinawa Spinach with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.