Delphinium vs Salvia

Side-by-side plant comparison — which is right for your garden?

Delphinium

Delphinium elatum

Ranunculaceae · flowers

Deer ResistantHigh Maintenance

Salvia

Salvia nemorosa

Lamiaceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Delphinium (Zones 3-7)

Salvia (Zones 4-8)

Overlap: Both grow in zones 4–7

Detailed Comparison

Feature	Delphinium	Salvia
Scientific Name	Delphinium elatum	Salvia nemorosa
Family	Ranunculaceae	Lamiaceae
Category	flowers	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧 Low
Soil	Rich, Well-drained	Well-drained
Height	6'	2'
Spread	2'	1' 6"
Bloom Season	Early Summer	Late Spring-Summer
Bloom Color	Blue, Purple, White, Pink	Blue, Purple
Growth Rate	Fast	Medium
Native Region	Europe, Asia	Europe
Maintenance	High	Low

Special Traits

Delphinium

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Salvia

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Delphinium

✓Stake tall varieties.
✓Cut back after first bloom for possible rebloom.
✓Needs cool summers — struggles in heat.
✓Slugs love young growth.
✓All parts are toxic.

Salvia

✓Cut back spent flower spikes for rebloom.
✓Excellent drainage essential.
✓Divide every 3-4 years.
✓'May Night' and 'Caradonna' are top performers.

Which Plant Is Right for Your Garden?

Choose Delphinium if you don't mind high maintenance, and want deer resistance. It thrives in full sun with medium water in zones 3–7.

Choose Salvia if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 4–8.

Plant them together? Both overlap in zones 4–7. They share similar sun requirements (full sun), making them potential garden companions.

View DelphiniumProfile →View SalviaProfile →

Frequently Asked Questions

Can Delphinium and Salvia grow in the same hardiness zone?

Delphinium grows in USDA zones 3-7, while Salvia grows in zones 4-8. Both plants can grow together in zones 4 through 7.

Do Delphinium and Salvia have the same sun and water needs?

Delphinium needs full sun and medium water, while Salvia needs full sun and low water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Delphinium or Salvia?

Delphinium grows taller at 6' compared to Salvia at 2'. Delphinium spreads 2' while Salvia spreads 1' 6".

Are Delphinium and Salvia deer resistant?

Yes, both Delphinium and Salvia are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Delphinium or Salvia?

Delphinium has high maintenance while Salvia has low maintenance. Salvia may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Delphinium	Salvia
Scientific Name	Delphinium elatum	Salvia nemorosa
Family	Ranunculaceae	Lamiaceae
Category	flowers	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧 Low
Soil	Rich, Well-drained	Well-drained
Height	6'	2'
Spread	2'	1' 6"
Bloom Season	Early Summer	Late Spring-Summer
Bloom Color	Blue, Purple, White, Pink	Blue, Purple
Growth Rate	Fast	Medium
Native Region	Europe, Asia	Europe
Maintenance	High	Low

Care Tips

Delphinium

✓Stake tall varieties.
✓Cut back after first bloom for possible rebloom.
✓Needs cool summers — struggles in heat.
✓Slugs love young growth.
✓All parts are toxic.

Salvia

✓Cut back spent flower spikes for rebloom.
✓Excellent drainage essential.
✓Divide every 3-4 years.
✓'May Night' and 'Caradonna' are top performers.

Which Plant Is Right for Your Garden?

Choose Delphinium if you don't mind high maintenance, and want deer resistance. It thrives in full sun with medium water in zones 3–7.

Choose Salvia if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 4–8.

Plant them together? Both overlap in zones 4–7. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Delphinium and Salvia grow in the same hardiness zone?

Delphinium grows in USDA zones 3-7, while Salvia grows in zones 4-8. Both plants can grow together in zones 4 through 7.

Do Delphinium and Salvia have the same sun and water needs?

Delphinium needs full sun and medium water, while Salvia needs full sun and low water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Delphinium or Salvia?

Delphinium grows taller at 6' compared to Salvia at 2'. Delphinium spreads 2' while Salvia spreads 1' 6".

Are Delphinium and Salvia deer resistant?

Yes, both Delphinium and Salvia are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Delphinium or Salvia?

Delphinium has high maintenance while Salvia has low maintenance. Salvia may be easier for beginning gardeners to manage.