Daylily vs Iris

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

Daylily

Hemerocallis spp.

Asparagaceae · flowers

EdibleLow Maintenance

Iris

Iris germanica

Iridaceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Daylily (Zones 3-10)

Iris (Zones 3-9)

Overlap: Both grow in zones 3–9

Detailed Comparison

Feature	Daylily	Iris
Scientific Name	Hemerocallis spp.	Iris germanica
Family	Asparagaceae	Iridaceae
Category	flowers	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧 Low to Medium
Soil	Adaptable	Well-drained
Height	3'	3'
Spread	2'	1' 6"
Bloom Season	Summer	Spring
Bloom Color	Yellow, Orange, Red, Pink	Purple, Blue, Yellow, White
Growth Rate	Fast	Medium
Native Region	East Asia	Mediterranean, Europe
Maintenance	Low	Low

Special Traits

Daylily

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Iris

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Daylily

✓Remove spent scapes after blooming.
✓Divide every 3-5 years when clumps become crowded.
✓Virtually pest and disease free.

Iris

✓Plant rhizomes shallowly with tops exposed to sun.
✓Divide every 3-4 years.
✓Remove spent flower stalks.
✓Watch for iris borers.

Which Plant Is Right for Your Garden?

Choose Daylily if you want a low-maintenance plant. It thrives in full sun to part shade with medium water in zones 3–10.

Choose Iris if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low to medium water in zones 3–9.

Plant them together? Both overlap in zones 3–9. However, they have different sun needs, so plan your garden layout carefully.

View DaylilyProfile →View IrisProfile →

Frequently Asked Questions

Can Daylily and Iris grow in the same hardiness zone?

Daylily grows in USDA zones 3-10, while Iris grows in zones 3-9. Both plants can grow together in zones 3 through 9.

Do Daylily and Iris have the same sun and water needs?

Daylily needs full sun to part shade and medium water, while Iris needs full sun and low to medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Daylily or Iris?

Both Daylily and Iris reach approximately 3' in height, with spreads of 2' and 1' 6" respectively.

Are Daylily and Iris deer resistant?

Iris is deer resistant, but Daylily is not. If deer are a concern, Iris is the better choice, or protect Daylily with fencing.

Which is easier to maintain, Daylily or Iris?

Both Daylily and Iris have low maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.

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Detailed Comparison

Feature	Daylily	Iris
Scientific Name	Hemerocallis spp.	Iris germanica
Family	Asparagaceae	Iridaceae
Category	flowers	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧 Low to Medium
Soil	Adaptable	Well-drained
Height	3'	3'
Spread	2'	1' 6"
Bloom Season	Summer	Spring
Bloom Color	Yellow, Orange, Red, Pink	Purple, Blue, Yellow, White
Growth Rate	Fast	Medium
Native Region	East Asia	Mediterranean, Europe
Maintenance	Low	Low

Which Plant Is Right for Your Garden?

Choose Daylily if you want a low-maintenance plant. It thrives in full sun to part shade with medium water in zones 3–10.

Choose Iris if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low to medium water in zones 3–9.

Plant them together? Both overlap in zones 3–9. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Daylily and Iris grow in the same hardiness zone?

Daylily grows in USDA zones 3-10, while Iris grows in zones 3-9. Both plants can grow together in zones 3 through 9.

Do Daylily and Iris have the same sun and water needs?

Daylily needs full sun to part shade and medium water, while Iris needs full sun and low to medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Daylily or Iris?

Both Daylily and Iris reach approximately 3' in height, with spreads of 2' and 1' 6" respectively.

Are Daylily and Iris deer resistant?

Iris is deer resistant, but Daylily is not. If deer are a concern, Iris is the better choice, or protect Daylily with fencing.

Which is easier to maintain, Daylily or Iris?

Both Daylily and Iris have low maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.