Zwanenburg Blue Spiderwort
Tradescantia fluminensis 'Zwanenburg Blue'
Same species
Species
1 other cultivar
Essentials
At a Glance
Plant Type
Perennial
Height
20 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
North America (hybrid)
Toxicity
Sap may cause skin irritation in pets
The Story
Plant Bio
A clump-forming perennial with arching, grass-like, green leaves. From late spring to mid-summer, it produces clusters of three-petaled, violet-blue flowers with prominent yellow stamens. This cultivar is noted for its particularly rich, deep violet-blue flowers and a long blooming period, often reblooming if cut back.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck cuttings into moist soil in spring for best rooting.
- Mist cuttings regularly to maintain humidity.
- Transplant young plants after roots develop, usually in 4-6 weeks.
- Water consistently, keeping soil evenly moist but not waterlogged.
- Fertilize monthly during growing season with balanced liquid fertilizer.
- Prune to shape and remove dead or damaged leaves to encourage bushiness.
Pro Tip
Use well-draining soil and provide bright indirect light for lush growth.
Keep It Thriving
Care Guide
Do
- Keep soil consistently moist 🌱
- Provide bright, indirect light
- Regularly prune to maintain shape
- Fertilize monthly during active growth
Don't
- Avoid overwatering to prevent root rot ❌
- Do not expose to direct harsh sunlight
- Avoid letting soil dry out completely
- Don’t forget to prune dead leaves
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Pest Check | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Zwanenburg Blue Spiderwort questions
What zones can Zwanenburg Blue Spiderwort grow in?
Zwanenburg Blue Spiderwort is hardy in USDA Zones 8–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Zwanenburg Blue Spiderwort deer resistant?
Yes — Zwanenburg Blue Spiderwort is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Zwanenburg Blue Spiderwort bloom?
Zwanenburg Blue Spiderwort typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Zwanenburg Blue Spiderwort need full sun?
Zwanenburg Blue Spiderwort does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Tradescantia to compare

Sweet Kate Spiderwort
Tradescantia occidentalis 'Sweet Kate'

Virginia Spiderwort
Tradescantia virginiana

Carmine Glow Spiderwort
Tradescantia x andersoniana 'Karminglut'

Variegated Wandering Jew
Tradescantia pallida 'Variegata'

Leonora Spiderwort
Tradescantia x andersoniana 'Leonora'

Concord Grape Spiderwort
Tradescantia x andersoniana 'Concord Grape'
Keep exploring
Explore the genus
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Hardy in your zone?
Grow Zwanenburg Blue Spiderwort 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.

