Boxwood vs Onion

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

Boxwood

Buxus sempervirens

Buxaceae · shrubs

Deer ResistantMedium Maintenance

Onion

Allium cepa

Amaryllidaceae · vegetables

EdibleDeer ResistantLow Maintenance

Hardiness Zone Range

Boxwood (Zones 5-8)

Onion (Zones 3-9)

Overlap: Both grow in zones 5–8

Detailed Comparison

Feature	Boxwood	Onion
Scientific Name	Buxus sempervirens	Allium cepa
Family	Buxaceae	Amaryllidaceae
Category	shrubs	vegetables
Sun	☀️ Part Shade to Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	8'	1' 6"
Spread	8'	4"
Bloom Season	Spring	Summer
Bloom Color	Green	White
Growth Rate	Slow	Medium
Native Region	Europe, Asia, Africa	Central Asia
Maintenance	Medium	Low

Special Traits

Boxwood

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Onion

Yes — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Boxwood

✓Avoid deep cultivation near shallow roots.
✓Thin interior branches for air circulation.
✓Protect from drying winter winds.
✓Don't plant too deep.

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 Boxwood if you don't mind medium maintenance, and want deer resistance. It thrives in part shade to full sun with medium water in zones 5–8.

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 5–8. However, they have different sun needs, so plan your garden layout carefully.

View BoxwoodProfile →View OnionProfile →

Frequently Asked Questions

Can Boxwood and Onion grow in the same hardiness zone?

Boxwood grows in USDA zones 5-8, while Onion grows in zones 3-9. Both plants can grow together in zones 5 through 8.

Do Boxwood and Onion have the same sun and water needs?

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

Which grows taller, Boxwood or Onion?

Boxwood grows taller at 8' compared to Onion at 1' 6". Boxwood spreads 8' while Onion spreads 4".

Are Boxwood and Onion deer resistant?

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

Which is easier to maintain, Boxwood or Onion?

Boxwood has medium maintenance while Onion has low maintenance. Onion may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Boxwood	Onion
Scientific Name	Buxus sempervirens	Allium cepa
Family	Buxaceae	Amaryllidaceae
Category	shrubs	vegetables
Sun	☀️ Part Shade to Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	8'	1' 6"
Spread	8'	4"
Bloom Season	Spring	Summer
Bloom Color	Green	White
Growth Rate	Slow	Medium
Native Region	Europe, Asia, Africa	Central Asia
Maintenance	Medium	Low

Care Tips

Boxwood

✓Avoid deep cultivation near shallow roots.
✓Thin interior branches for air circulation.
✓Protect from drying winter winds.
✓Don't plant too deep.

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 Boxwood if you don't mind medium maintenance, and want deer resistance. It thrives in part shade to full sun with medium water in zones 5–8.

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 5–8. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Boxwood and Onion grow in the same hardiness zone?

Boxwood grows in USDA zones 5-8, while Onion grows in zones 3-9. Both plants can grow together in zones 5 through 8.

Do Boxwood and Onion have the same sun and water needs?

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

Which grows taller, Boxwood or Onion?

Boxwood grows taller at 8' compared to Onion at 1' 6". Boxwood spreads 8' while Onion spreads 4".

Are Boxwood and Onion deer resistant?

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

Which is easier to maintain, Boxwood or Onion?

Boxwood has medium maintenance while Onion has low maintenance. Onion may be easier for beginning gardeners to manage.