Coleus vs Dahlia

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

Coleus

Coleus scutellarioides

Lamiaceae · flowers

Low Maintenance

Dahlia

Dahlia pinnata

Asteraceae · flowers

EdibleMedium Maintenance

Hardiness Zone Range

Coleus (Zones 10-11)

Dahlia (Zones 8-11)

Overlap: Both grow in zones 10–11

Detailed Comparison

Feature	Coleus	Dahlia
Scientific Name	Coleus scutellarioides	Dahlia pinnata
Family	Lamiaceae	Asteraceae
Category	flowers	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Rich, Well-drained
Height	2'	5'
Spread	1' 6"	2'
Bloom Season	Summer	Summer-Fall
Bloom Color	Blue (insignificant)	Mixed
Growth Rate	Fast	Fast
Native Region	Southeast Asia	Mexico, Central America
Maintenance	Low	Medium

Special Traits

Coleus

No — EdibleNo — Deer ResistantNo — Drought Tolerant

Dahlia

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Care Tips

Coleus

✓Pinch flowers to encourage leaf growth.
✓Modern varieties are more sun tolerant.
✓Root cuttings easily in water.
✓Pinch growing tips for bushy form.
✓Bring indoors as houseplant.

Dahlia

✓Dig tubers after first frost in cold climates.
✓Pinch growing tips for bushier plants.
✓Provide support for tall varieties.
✓Fertilize regularly.

Which Plant Is Right for Your Garden?

Choose Coleus if you want a low-maintenance plant. It thrives in part shade with medium water in zones 10–11.

Choose Dahlia if you don't mind medium maintenance. It thrives in full sun with medium water in zones 8–11.

Plant them together? Both overlap in zones 10–11. However, they have different sun needs, so plan your garden layout carefully.

View ColeusProfile →View DahliaProfile →

Frequently Asked Questions

Can Coleus and Dahlia grow in the same hardiness zone?

Coleus grows in USDA zones 10-11, while Dahlia grows in zones 8-11. Both plants can grow together in zones 10 through 11.

Do Coleus and Dahlia have the same sun and water needs?

Coleus needs part shade and medium water, while Dahlia needs full sun and medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Coleus or Dahlia?

Dahlia grows taller at 5' compared to Coleus at 2'. Dahlia spreads 2' while Coleus spreads 1' 6".

Are Coleus and Dahlia deer resistant?

Neither Coleus nor Dahlia is considered deer resistant. In areas with deer, consider protective fencing or deer repellent for both plants.

Which is easier to maintain, Coleus or Dahlia?

Coleus has low maintenance while Dahlia has medium maintenance. Coleus may be easier for beginning gardeners to manage.

Explore More Data Tools

For adjacent public-data tools, methodology notes, and network updates, visit DataPeek Facts.

Detailed Comparison

Feature	Coleus	Dahlia
Scientific Name	Coleus scutellarioides	Dahlia pinnata
Family	Lamiaceae	Asteraceae
Category	flowers	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Rich, Well-drained
Height	2'	5'
Spread	1' 6"	2'
Bloom Season	Summer	Summer-Fall
Bloom Color	Blue (insignificant)	Mixed
Growth Rate	Fast	Fast
Native Region	Southeast Asia	Mexico, Central America
Maintenance	Low	Medium

Care Tips

Coleus

✓Pinch flowers to encourage leaf growth.
✓Modern varieties are more sun tolerant.
✓Root cuttings easily in water.
✓Pinch growing tips for bushy form.
✓Bring indoors as houseplant.

Dahlia

✓Dig tubers after first frost in cold climates.
✓Pinch growing tips for bushier plants.
✓Provide support for tall varieties.
✓Fertilize regularly.

Which Plant Is Right for Your Garden?

Choose Coleus if you want a low-maintenance plant. It thrives in part shade with medium water in zones 10–11.

Choose Dahlia if you don't mind medium maintenance. It thrives in full sun with medium water in zones 8–11.

Plant them together? Both overlap in zones 10–11. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Coleus and Dahlia grow in the same hardiness zone?

Coleus grows in USDA zones 10-11, while Dahlia grows in zones 8-11. Both plants can grow together in zones 10 through 11.

Do Coleus and Dahlia have the same sun and water needs?

Coleus needs part shade and medium water, while Dahlia needs full sun and medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Coleus or Dahlia?

Dahlia grows taller at 5' compared to Coleus at 2'. Dahlia spreads 2' while Coleus spreads 1' 6".

Are Coleus and Dahlia deer resistant?

Neither Coleus nor Dahlia is considered deer resistant. In areas with deer, consider protective fencing or deer repellent for both plants.

Which is easier to maintain, Coleus or Dahlia?

Coleus has low maintenance while Dahlia has medium maintenance. Coleus may be easier for beginning gardeners to manage.