Crepe Myrtle vs Onion

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

Crepe Myrtle

Lagerstroemia indica

Lythraceae · trees

Deer ResistantDrought TolerantLow Maintenance

Onion

Allium cepa

Amaryllidaceae · vegetables

EdibleDeer ResistantLow Maintenance

Hardiness Zone Range

Crepe Myrtle (Zones 7-10)

Onion (Zones 3-9)

Overlap: Both grow in zones 7–9

Detailed Comparison

Feature	Crepe Myrtle	Onion
Scientific Name	Lagerstroemia indica	Allium cepa
Family	Lythraceae	Amaryllidaceae
Category	trees	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	25'	1' 6"
Spread	15'	4"
Bloom Season	Summer	Summer
Bloom Color	Pink, Red, White, Purple	White
Growth Rate	Fast	Medium
Native Region	Southeast Asia	Central Asia
Maintenance	Low	Low

Special Traits

Crepe Myrtle

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Onion

Yes — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Crepe Myrtle

✓Don't 'crepe murder' — avoid topping/severe pruning.
✓Thin interior branches for air flow.
✓Full sun is essential for best blooms.
✓Remove suckers at base.

Onion

✓Match variety to your latitude — long-day for north, short-day for south.
✓Plant sets or transplants for easiest results.
✓Stop watering when tops fall over.
✓Cure for 2 weeks before storing.

Which Plant Is Right for Your Garden?

Choose Crepe Myrtle if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 7–10.

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

Plant them together? Both overlap in zones 7–9. They share similar sun requirements (full sun), making them potential garden companions.

View Crepe MyrtleProfile →View OnionProfile →

Frequently Asked Questions

Can Crepe Myrtle and Onion grow in the same hardiness zone?

Crepe Myrtle grows in USDA zones 7-10, while Onion grows in zones 3-9. Both plants can grow together in zones 7 through 9.

Do Crepe Myrtle and Onion have the same sun and water needs?

Crepe Myrtle needs full sun and medium water, while Onion needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Crepe Myrtle or Onion?

Crepe Myrtle grows taller at 25' compared to Onion at 1' 6". Crepe Myrtle spreads 15' while Onion spreads 4".

Are Crepe Myrtle and Onion deer resistant?

Yes, both Crepe Myrtle and Onion are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Crepe Myrtle or Onion?

Both Crepe Myrtle and Onion 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	Crepe Myrtle	Onion
Scientific Name	Lagerstroemia indica	Allium cepa
Family	Lythraceae	Amaryllidaceae
Category	trees	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	25'	1' 6"
Spread	15'	4"
Bloom Season	Summer	Summer
Bloom Color	Pink, Red, White, Purple	White
Growth Rate	Fast	Medium
Native Region	Southeast Asia	Central Asia
Maintenance	Low	Low

Care Tips

Crepe Myrtle

✓Don't 'crepe murder' — avoid topping/severe pruning.
✓Thin interior branches for air flow.
✓Full sun is essential for best blooms.
✓Remove suckers at base.

Onion

✓Match variety to your latitude — long-day for north, short-day for south.
✓Plant sets or transplants for easiest results.
✓Stop watering when tops fall over.
✓Cure for 2 weeks before storing.

Which Plant Is Right for Your Garden?

Choose Crepe Myrtle if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 7–10.

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

Plant them together? Both overlap in zones 7–9. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Crepe Myrtle and Onion grow in the same hardiness zone?

Crepe Myrtle grows in USDA zones 7-10, while Onion grows in zones 3-9. Both plants can grow together in zones 7 through 9.

Do Crepe Myrtle and Onion have the same sun and water needs?

Crepe Myrtle needs full sun and medium water, while Onion needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Crepe Myrtle or Onion?

Crepe Myrtle grows taller at 25' compared to Onion at 1' 6". Crepe Myrtle spreads 15' while Onion spreads 4".

Are Crepe Myrtle and Onion deer resistant?

Yes, both Crepe Myrtle and Onion are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Crepe Myrtle or Onion?

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