Cilantro/Coriander vs Delphinium

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

Cilantro/Coriander

Coriandrum sativum

Apiaceae · herbs

EdibleLow Maintenance

Delphinium

Delphinium elatum

Ranunculaceae · flowers

Deer ResistantHigh Maintenance

Hardiness Zone Range

Cilantro/Coriander (Zones 2-11)

Delphinium (Zones 3-7)

Overlap: Both grow in zones 3–7

Detailed Comparison

Feature	Cilantro/Coriander	Delphinium
Scientific Name	Coriandrum sativum	Delphinium elatum
Family	Apiaceae	Ranunculaceae
Category	herbs	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	2'	6'
Spread	8"	2'
Bloom Season	Spring-Summer	Early Summer
Bloom Color	White, Pink	Blue, Purple, White, Pink
Growth Rate	Fast	Fast
Native Region	Mediterranean, Western Asia	Europe, Asia
Maintenance	Low	High

Special Traits

Cilantro/Coriander

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Delphinium

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Cilantro/Coriander

✓Succession sow every 2-3 weeks — bolts quickly in heat.
✓Prefers cool weather.
✓Let some plants flower for coriander seeds.
✓Self-seeds readily.
✓'Slow-bolt' varieties extend harvest.

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.

Which Plant Is Right for Your Garden?

Choose Cilantro/Coriander if you want a low-maintenance plant. It thrives in full sun to part shade with medium water in zones 2–11.

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.

Plant them together? Both overlap in zones 3–7. However, they have different sun needs, so plan your garden layout carefully.

View Cilantro/CorianderProfile →View DelphiniumProfile →

Frequently Asked Questions

Can Cilantro/Coriander and Delphinium grow in the same hardiness zone?

Cilantro/Coriander grows in USDA zones 2-11, while Delphinium grows in zones 3-7. Both plants can grow together in zones 3 through 7.

Do Cilantro/Coriander and Delphinium have the same sun and water needs?

Cilantro/Coriander needs full sun to part shade and medium water, while Delphinium needs full sun and medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Cilantro/Coriander or Delphinium?

Delphinium grows taller at 6' compared to Cilantro/Coriander at 2'. Delphinium spreads 2' while Cilantro/Coriander spreads 8".

Are Cilantro/Coriander and Delphinium deer resistant?

Delphinium is deer resistant, but Cilantro/Coriander is not. If deer are a concern, Delphinium is the better choice, or protect Cilantro/Coriander with fencing.

Which is easier to maintain, Cilantro/Coriander or Delphinium?

Cilantro/Coriander has low maintenance while Delphinium has high maintenance. Cilantro/Coriander may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Cilantro/Coriander	Delphinium
Scientific Name	Coriandrum sativum	Delphinium elatum
Family	Apiaceae	Ranunculaceae
Category	herbs	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	2'	6'
Spread	8"	2'
Bloom Season	Spring-Summer	Early Summer
Bloom Color	White, Pink	Blue, Purple, White, Pink
Growth Rate	Fast	Fast
Native Region	Mediterranean, Western Asia	Europe, Asia
Maintenance	Low	High

Care Tips

Cilantro/Coriander

✓Succession sow every 2-3 weeks — bolts quickly in heat.
✓Prefers cool weather.
✓Let some plants flower for coriander seeds.
✓Self-seeds readily.
✓'Slow-bolt' varieties extend harvest.

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.

Which Plant Is Right for Your Garden?

Choose Cilantro/Coriander if you want a low-maintenance plant. It thrives in full sun to part shade with medium water in zones 2–11.

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.

Plant them together? Both overlap in zones 3–7. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Cilantro/Coriander and Delphinium grow in the same hardiness zone?

Cilantro/Coriander grows in USDA zones 2-11, while Delphinium grows in zones 3-7. Both plants can grow together in zones 3 through 7.

Do Cilantro/Coriander and Delphinium have the same sun and water needs?

Cilantro/Coriander needs full sun to part shade and medium water, while Delphinium needs full sun and medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Cilantro/Coriander or Delphinium?

Delphinium grows taller at 6' compared to Cilantro/Coriander at 2'. Delphinium spreads 2' while Cilantro/Coriander spreads 8".

Are Cilantro/Coriander and Delphinium deer resistant?

Delphinium is deer resistant, but Cilantro/Coriander is not. If deer are a concern, Delphinium is the better choice, or protect Cilantro/Coriander with fencing.

Which is easier to maintain, Cilantro/Coriander or Delphinium?

Cilantro/Coriander has low maintenance while Delphinium has high maintenance. Cilantro/Coriander may be easier for beginning gardeners to manage.