Salvia Indigo Spires
Salvia x hybrida 'Indigo Spires'
Essentials
At a Glance
Plant Type
Perennial
Height
48 inches
Width
36 inches
Light
Full Sun, Partial Sun
Zones
8, 9
Water
Low to moderate
Humidity
Tolerates high humidity
Lifespan
Tender perennial
Native To
Hybrid of North American species
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Salvia x hybrida 'Indigo Spires' is a perennial shrub featuring upright growth with aromatic, serrated green leaves and tall spikes of vivid indigo-blue flowers that attract pollinators throughout the summer. This cultivar is renowned for its long-lasting, vibrant flower spikes and its ability to thrive in full sun with well-drained soil, making it a popular choice for borders and pollinator gardens.
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds or cuttings into well-draining soil in spring.
- Water regularly until established, then reduce frequency.
- Fertilize with a balanced fertilizer in early spring.
- Prune after flowering to promote bushiness.
- Mulch to retain moisture and suppress weeds.
- Ensure good air circulation to prevent diseases.
Pro Tip
Plant in full sun with well-draining soil for best blooms.
Keep It Thriving
Care Guide
Do
- Water deeply once a week 🌱
- Prune after flowering to maintain shape
- Fertilize in early spring
Don't
- Overwater to prevent root rot ❌
- Forget to prune after bloom
- Use heavy, clay soil without amendment
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Prune | ||||||||||||
| Spring Cleanup |
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
Salvia Indigo Spires questions
What zones can Salvia Indigo Spires grow in?
Salvia Indigo Spires is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Salvia Indigo Spires deer resistant?
Yes — Salvia Indigo Spires is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Salvia Indigo Spires bloom?
Salvia Indigo Spires typically blooms in summer to frost through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Salvia Indigo Spires need full sun?
Salvia Indigo Spires does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Salvia Indigo Spires drought tolerant?
Yes — once established (usually after the first full season), Salvia Indigo Spires handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Salvia to compare
May Night Sage
Salvia nemorosa 'May Night'
Celestial Blue Sage Wood Sage
Salvia nemorosa 'Celestial Blue'
Marcus Woodland Sage
Salvia nemorosa 'Marcus'
White Profusion Salvia
Salvia x hybrida 'White Profusion'
Lyrical Blues Salvia
Salvia x hybrida 'Lyrical Blues'
Rose Marvel Sage
Salvia nemerosa 'Rose Marvel'
Keep exploring
Explore the genus
Collections featuring this plant
Hardy in your zone?
Grow Salvia Indigo Spires 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.
