Hollyhock vs Iris

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

Hollyhock

Alcea rosea

Malvaceae · flowers

EdibleDeer ResistantLow Maintenance

Iris

Iris germanica

Iridaceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Hollyhock (Zones 3-8)

Iris (Zones 3-9)

Overlap: Both grow in zones 3–8

Detailed Comparison

Feature	Hollyhock	Iris
Scientific Name	Alcea rosea	Iris germanica
Family	Malvaceae	Iridaceae
Category	flowers	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧 Low to Medium
Soil	Well-drained	Well-drained
Height	8'	3'
Spread	1' 6"	1' 6"
Bloom Season	Summer	Spring
Bloom Color	Pink, Red, Yellow, White, Black	Purple, Blue, Yellow, White
Growth Rate	Fast	Medium
Native Region	China, Turkey	Mediterranean, Europe
Maintenance	Low	Low

Special Traits

Hollyhock

Yes — EdibleYes — Deer ResistantNo — Drought Tolerant

Iris

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Hollyhock

✓Plant against a wall or fence for wind protection.
✓Prone to rust — space for air circulation.
✓Self-seeds prolifically.
✓Biennial but self-sows to seem perennial.

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 Hollyhock if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 3–8.

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 3–8. They share similar sun requirements (full sun), making them potential garden companions.

View HollyhockProfile →View IrisProfile →

Frequently Asked Questions

Can Hollyhock and Iris grow in the same hardiness zone?

Hollyhock grows in USDA zones 3-8, while Iris grows in zones 3-9. Both plants can grow together in zones 3 through 8.

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

Hollyhock needs full sun 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, Hollyhock or Iris?

Hollyhock grows taller at 8' compared to Iris at 3'. Hollyhock spreads 1' 6" while Iris spreads 1' 6".

Are Hollyhock and Iris deer resistant?

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

Which is easier to maintain, Hollyhock or Iris?

Both Hollyhock 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	Hollyhock	Iris
Scientific Name	Alcea rosea	Iris germanica
Family	Malvaceae	Iridaceae
Category	flowers	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧 Low to Medium
Soil	Well-drained	Well-drained
Height	8'	3'
Spread	1' 6"	1' 6"
Bloom Season	Summer	Spring
Bloom Color	Pink, Red, Yellow, White, Black	Purple, Blue, Yellow, White
Growth Rate	Fast	Medium
Native Region	China, Turkey	Mediterranean, Europe
Maintenance	Low	Low

Care Tips

Hollyhock

✓Plant against a wall or fence for wind protection.
✓Prone to rust — space for air circulation.
✓Self-seeds prolifically.
✓Biennial but self-sows to seem perennial.

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 Hollyhock if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 3–8.

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 3–8. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Hollyhock and Iris grow in the same hardiness zone?

Hollyhock grows in USDA zones 3-8, while Iris grows in zones 3-9. Both plants can grow together in zones 3 through 8.

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

Hollyhock needs full sun 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, Hollyhock or Iris?

Hollyhock grows taller at 8' compared to Iris at 3'. Hollyhock spreads 1' 6" while Iris spreads 1' 6".

Are Hollyhock and Iris deer resistant?

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

Which is easier to maintain, Hollyhock or Iris?

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