Tower of Jewels
Echium pininana 'Blue Steeple'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
144 inches
Width
36 inches
Light
Full Sun, Partial Sun
Zones
9
Water
Low to moderate
Humidity
Low
Lifespan
Biennial
Native To
Canary Islands
Toxicity
Toxic to pets and humans if ingested
The Story
Plant Bio
A striking biennial plant known for its tall erect growth habit and beautiful flower spikes. Distinctive blue flowers arranged in a dramatic, tower-like spike, making it an eye-catching addition to any garden.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into well-draining soil in early spring.
- Mist cuttings regularly to maintain humidity for 4 weeks.
- Transplant seedlings after they develop strong roots, about 6 weeks.
- Water deeply once a week during dry spells.
- Apply a balanced fertilizer monthly during the growing season.
- Prune dead or damaged stems in late winter to promote growth.
Pro Tip
Use well-draining sandy soil and full sun for optimal growth.
Keep It Thriving
Care Guide
Do
- Water deeply but infrequently to prevent root rot 🌱
- Provide full sun for vigorous flowering
- Use organic compost annually for healthy growth
- Prune to shape and remove dead stems
Don't
- Avoid overwatering in winter ❌
- Don’t plant in heavy clay soil without amendments
- Refrain from excessive fertilization which can cause legginess
- Don’t prune during flowering to preserve blooms
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| Plant | ||||||||||||
| Stake | ||||||||||||
| Winter Prep |
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
Tower of Jewels questions
What zones can Tower of Jewels grow in?
Tower of Jewels is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Tower of Jewels deer resistant?
Yes — Tower of Jewels is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Tower of Jewels bloom?
Tower of Jewels typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Tower of Jewels need full sun?
Tower of Jewels does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Tower of Jewels drought tolerant?
Yes — once established (usually after the first full season), Tower of Jewels handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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Grow Tower of Jewels 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.
