Allium vs Canna Lily

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

Allium

Allium giganteum

Amaryllidaceae · bulbs

Deer ResistantDrought TolerantLow Maintenance

Canna Lily

Canna × generalis

Cannaceae · flowers

EdibleLow Maintenance

Hardiness Zone Range

Allium (Zones 5-8)

Canna Lily (Zones 7-11)

Overlap: Both grow in zones 7–8

Detailed Comparison

Feature	Allium	Canna Lily
Scientific Name	Allium giganteum	Canna × generalis
Family	Amaryllidaceae	Cannaceae
Category	bulbs	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧💧 Medium to High
Soil	Well-drained	Rich, Moist
Height	4'	6'
Spread	1'	2'
Bloom Season	Late Spring	Summer-Fall
Bloom Color	Purple	Red, Orange, Yellow, Pink
Growth Rate	Medium	Fast
Native Region	Central Asia	Tropical Americas
Maintenance	Low	Low

Special Traits

Allium

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Canna Lily

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Care Tips

Allium

✓Plant bulbs 8 inches deep in fall.
✓Deer and rodent proof.
✓Leave dried seed heads for winter interest.
✓Foliage dies before flowers appear — plant behind shorter companions.

Canna Lily

✓Dig rhizomes before frost in cold climates.
✓Full sun and rich soil for best performance.
✓Keep well watered.
✓Divide overcrowded clumps in spring.

Which Plant Is Right for Your Garden?

Choose Allium if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 5–8.

Choose Canna Lily if you want a low-maintenance plant. It thrives in full sun with medium to high water in zones 7–11.

Plant them together? Both overlap in zones 7–8. They share similar sun requirements (full sun), making them potential garden companions.

View AlliumProfile →View Canna LilyProfile →

Frequently Asked Questions

Can Allium and Canna Lily grow in the same hardiness zone?

Allium grows in USDA zones 5-8, while Canna Lily grows in zones 7-11. Both plants can grow together in zones 7 through 8.

Do Allium and Canna Lily have the same sun and water needs?

Allium needs full sun and low water, while Canna Lily needs full sun and medium to high water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Allium or Canna Lily?

Canna Lily grows taller at 6' compared to Allium at 4'. Canna Lily spreads 2' while Allium spreads 1'.

Are Allium and Canna Lily deer resistant?

Allium is deer resistant, but Canna Lily is not. If deer are a concern, Allium is the better choice, or protect Canna Lily with fencing.

Which is easier to maintain, Allium or Canna Lily?

Both Allium and Canna Lily 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	Allium	Canna Lily
Scientific Name	Allium giganteum	Canna × generalis
Family	Amaryllidaceae	Cannaceae
Category	bulbs	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧💧 Medium to High
Soil	Well-drained	Rich, Moist
Height	4'	6'
Spread	1'	2'
Bloom Season	Late Spring	Summer-Fall
Bloom Color	Purple	Red, Orange, Yellow, Pink
Growth Rate	Medium	Fast
Native Region	Central Asia	Tropical Americas
Maintenance	Low	Low

Care Tips

Allium

✓Plant bulbs 8 inches deep in fall.
✓Deer and rodent proof.
✓Leave dried seed heads for winter interest.
✓Foliage dies before flowers appear — plant behind shorter companions.

Canna Lily

✓Dig rhizomes before frost in cold climates.
✓Full sun and rich soil for best performance.
✓Keep well watered.
✓Divide overcrowded clumps in spring.

Which Plant Is Right for Your Garden?

Choose Allium if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 5–8.

Choose Canna Lily if you want a low-maintenance plant. It thrives in full sun with medium to high water in zones 7–11.

Plant them together? Both overlap in zones 7–8. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Allium and Canna Lily grow in the same hardiness zone?

Allium grows in USDA zones 5-8, while Canna Lily grows in zones 7-11. Both plants can grow together in zones 7 through 8.

Do Allium and Canna Lily have the same sun and water needs?

Allium needs full sun and low water, while Canna Lily needs full sun and medium to high water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Allium or Canna Lily?

Canna Lily grows taller at 6' compared to Allium at 4'. Canna Lily spreads 2' while Allium spreads 1'.

Are Allium and Canna Lily deer resistant?

Allium is deer resistant, but Canna Lily is not. If deer are a concern, Allium is the better choice, or protect Canna Lily with fencing.

Which is easier to maintain, Allium or Canna Lily?

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